content/renderer/render_frame_impl.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/renderer/render_frame_impl.h"
   6
   7 #include <map>
   8 #include <string>
   9
  10 #include "base/auto_reset.h"
  11 #include "base/command_line.h"
  12 #include "base/debug/alias.h"
  13 #include "base/debug/asan_invalid_access.h"
  14 #include "base/debug/dump_without_crashing.h"
  15 #include "base/i18n/char_iterator.h"
  16 #include "base/metrics/histogram.h"
  17 #include "base/process/process.h"
  18 #include "base/strings/string16.h"
  19 #include "base/strings/utf_string_conversions.h"
  20 #include "base/thread_task_runner_handle.h"
  21 #include "base/time/time.h"
  22 #include "cc/base/switches.h"
  23 #include "content/child/appcache/appcache_dispatcher.h"
  24 #include "content/child/permissions/permission_dispatcher.h"
  25 #include "content/child/plugin_messages.h"
  26 #include "content/child/quota_dispatcher.h"
  27 #include "content/child/request_extra_data.h"
  28 #include "content/child/service_worker/service_worker_handle_reference.h"
  29 #include "content/child/service_worker/service_worker_network_provider.h"
  30 #include "content/child/service_worker/service_worker_provider_context.h"
  31 #include "content/child/service_worker/web_service_worker_provider_impl.h"
  32 #include "content/child/v8_value_converter_impl.h"
  33 #include "content/child/web_url_loader_impl.h"
  34 #include "content/child/web_url_request_util.h"
  35 #include "content/child/webmessageportchannel_impl.h"
  36 #include "content/child/websocket_bridge.h"
  37 #include "content/child/weburlresponse_extradata_impl.h"
  38 #include "content/common/accessibility_messages.h"
  39 #include "content/common/clipboard_messages.h"
  40 #include "content/common/frame_messages.h"
  41 #include "content/common/frame_replication_state.h"
  42 #include "content/common/input_messages.h"
  43 #include "content/common/navigation_params.h"
  44 #include "content/common/service_worker/service_worker_types.h"
  45 #include "content/common/site_isolation_policy.h"
  46 #include "content/common/swapped_out_messages.h"
  47 #include "content/common/view_messages.h"
  48 #include "content/public/common/bindings_policy.h"
  49 #include "content/public/common/content_constants.h"
  50 #include "content/public/common/content_switches.h"
  51 #include "content/public/common/context_menu_params.h"
  52 #include "content/public/common/isolated_world_ids.h"
  53 #include "content/public/common/page_state.h"
  54 #include "content/public/common/resource_response.h"
  55 #include "content/public/common/url_constants.h"
  56 #include "content/public/common/url_utils.h"
  57 #include "content/public/renderer/browser_plugin_delegate.h"
  58 #include "content/public/renderer/content_renderer_client.h"
  59 #include "content/public/renderer/context_menu_client.h"
  60 #include "content/public/renderer/document_state.h"
  61 #include "content/public/renderer/navigation_state.h"
  62 #include "content/public/renderer/render_frame_observer.h"
  63 #include "content/public/renderer/renderer_ppapi_host.h"
  64 #include "content/renderer/accessibility/renderer_accessibility.h"
  65 #include "content/renderer/bluetooth/web_bluetooth_impl.h"
  66 #include "content/renderer/browser_plugin/browser_plugin.h"
  67 #include "content/renderer/browser_plugin/browser_plugin_manager.h"
  68 #include "content/renderer/child_frame_compositing_helper.h"
  69 #include "content/renderer/context_menu_params_builder.h"
  70 #include "content/renderer/devtools/devtools_agent.h"
  71 #include "content/renderer/dom_automation_controller.h"
  72 #include "content/renderer/external_popup_menu.h"
  73 #include "content/renderer/geolocation_dispatcher.h"
  74 #include "content/renderer/gpu/gpu_benchmarking_extension.h"
  75 #include "content/renderer/history_controller.h"
  76 #include "content/renderer/history_serialization.h"
  77 #include "content/renderer/image_downloader/image_downloader_impl.h"
  78 #include "content/renderer/ime_event_guard.h"
  79 #include "content/renderer/internal_document_state_data.h"
  80 #include "content/renderer/manifest/manifest_manager.h"
  81 #include "content/renderer/media/audio_renderer_mixer_manager.h"
  82 #include "content/renderer/media/crypto/render_cdm_factory.h"
  83 #include "content/renderer/media/media_permission_dispatcher.h"
  84 #include "content/renderer/media/media_stream_dispatcher.h"
  85 #include "content/renderer/media/media_stream_renderer_factory_impl.h"
  86 #include "content/renderer/media/midi_dispatcher.h"
  87 #include "content/renderer/media/render_media_log.h"
  88 #include "content/renderer/media/user_media_client_impl.h"
  89 #include "content/renderer/media/webmediaplayer_ms.h"
  90 #include "content/renderer/memory_benchmarking_extension.h"
  91 #include "content/renderer/mojo/service_registry_js_wrapper.h"
  92 #include "content/renderer/navigation_state_impl.h"
  93 #include "content/renderer/notification_permission_dispatcher.h"
  94 #include "content/renderer/npapi/plugin_channel_host.h"
  95 #include "content/renderer/pepper/plugin_instance_throttler_impl.h"
  96 #include "content/renderer/presentation/presentation_dispatcher.h"
  97 #include "content/renderer/push_messaging/push_messaging_dispatcher.h"
  98 #include "content/renderer/render_frame_proxy.h"
  99 #include "content/renderer/render_process.h"
 100 #include "content/renderer/render_thread_impl.h"
 101 #include "content/renderer/render_view_impl.h"
 102 #include "content/renderer/render_widget_fullscreen_pepper.h"
 103 #include "content/renderer/renderer_webapplicationcachehost_impl.h"
 104 #include "content/renderer/renderer_webcolorchooser_impl.h"
 105 #include "content/renderer/screen_orientation/screen_orientation_dispatcher.h"
 106 #include "content/renderer/shared_worker_repository.h"
 107 #include "content/renderer/skia_benchmarking_extension.h"
 108 #include "content/renderer/stats_collection_controller.h"
 109 #include "content/renderer/web_ui_extension.h"
 110 #include "content/renderer/websharedworker_proxy.h"
 111 #include "gin/modules/module_registry.h"
 112 #include "media/base/audio_renderer_mixer_input.h"
 113 #include "media/base/media_log.h"
 114 #include "media/blink/webencryptedmediaclient_impl.h"
 115 #include "media/blink/webmediaplayer_impl.h"
 116 #include "media/renderers/gpu_video_accelerator_factories.h"
 117 #include "mojo/common/url_type_converters.h"
 118 #include "net/base/data_url.h"
 119 #include "net/base/net_errors.h"
 120 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
 121 #include "net/http/http_util.h"
 122 #include "third_party/WebKit/public/platform/WebStorageQuotaCallbacks.h"
 123 #include "third_party/WebKit/public/platform/WebString.h"
 124 #include "third_party/WebKit/public/platform/WebURL.h"
 125 #include "third_party/WebKit/public/platform/WebURLError.h"
 126 #include "third_party/WebKit/public/platform/WebURLResponse.h"
 127 #include "third_party/WebKit/public/platform/WebVector.h"
 128 #include "third_party/WebKit/public/platform/modules/webusb/WebUSBClient.h"
 129 #include "third_party/WebKit/public/web/WebColorSuggestion.h"
 130 #include "third_party/WebKit/public/web/WebDocument.h"
 131 #include "third_party/WebKit/public/web/WebFrameWidget.h"
 132 #include "third_party/WebKit/public/web/WebGlyphCache.h"
 133 #include "third_party/WebKit/public/web/WebKit.h"
 134 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 135 #include "third_party/WebKit/public/web/WebMediaStreamRegistry.h"
 136 #include "third_party/WebKit/public/web/WebNavigationPolicy.h"
 137 #include "third_party/WebKit/public/web/WebPlugin.h"
 138 #include "third_party/WebKit/public/web/WebPluginParams.h"
 139 #include "third_party/WebKit/public/web/WebRange.h"
 140 #include "third_party/WebKit/public/web/WebScopedUserGesture.h"
 141 #include "third_party/WebKit/public/web/WebScriptSource.h"
 142 #include "third_party/WebKit/public/web/WebSearchableFormData.h"
 143 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
 144 #include "third_party/WebKit/public/web/WebSecurityPolicy.h"
 145 #include "third_party/WebKit/public/web/WebSerializedScriptValue.h"
 146 #include "third_party/WebKit/public/web/WebSettings.h"
 147 #include "third_party/WebKit/public/web/WebSurroundingText.h"
 148 #include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
 149 #include "third_party/WebKit/public/web/WebView.h"
 150 #include "third_party/mojo/src/mojo/edk/js/core.h"
 151 #include "third_party/mojo/src/mojo/edk/js/support.h"
 152 #include "url/url_util.h"
 153
 154 #if defined(ENABLE_PLUGINS)
 155 #include "content/renderer/npapi/webplugin_impl.h"
 156 #include "content/renderer/pepper/pepper_browser_connection.h"
 157 #include "content/renderer/pepper/pepper_plugin_instance_impl.h"
 158 #include "content/renderer/pepper/pepper_webplugin_impl.h"
 159 #include "content/renderer/pepper/plugin_module.h"
 160 #endif
 161
 162 #if defined(ENABLE_WEBRTC)
 163 #include "content/renderer/media/rtc_peer_connection_handler.h"
 164 #endif
 165
 166 #if defined(OS_ANDROID)
 167 #include <cpu-features.h>
 168
 169 #include "content/common/gpu/client/context_provider_command_buffer.h"
 170 #include "content/renderer/android/synchronous_compositor_factory.h"
 171 #include "content/renderer/java/gin_java_bridge_dispatcher.h"
 172 #include "content/renderer/media/android/renderer_media_player_manager.h"
 173 #include "content/renderer/media/android/stream_texture_factory_impl.h"
 174 #include "content/renderer/media/android/webmediaplayer_android.h"
 175 #else
 176 #include "cc/blink/context_provider_web_context.h"
 177 #include "content/renderer/usb/web_usb_client_impl.h"
 178 #include "device/devices_app/public/cpp/constants.h"
 179 #endif
 180
 181 #if defined(ENABLE_PEPPER_CDMS)
 182 #include "content/renderer/media/crypto/pepper_cdm_wrapper_impl.h"
 183 #elif defined(ENABLE_BROWSER_CDMS)
 184 #include "content/renderer/media/crypto/renderer_cdm_manager.h"
 185 #endif
 186
 187 #if defined(ENABLE_MOJO_MEDIA)
 188 #include "media/mojo/services/mojo_cdm_factory.h"
 189 #include "media/mojo/services/mojo_renderer_factory.h"
 190 #include "mojo/application/public/cpp/connect.h"
 191 #include "mojo/application/public/interfaces/shell.mojom.h"
 192 #include "third_party/mojo/src/mojo/public/cpp/bindings/interface_request.h"
 193 #else
 194 #include "media/renderers/default_renderer_factory.h"
 195 #endif
 196
 197 #if defined(ENABLE_WEBVR)
 198 #include "content/renderer/vr/vr_dispatcher.h"
 199 #endif
 200
 201 using blink::WebContentDecryptionModule;
 202 using blink::WebContextMenuData;
 203 using blink::WebData;
 204 using blink::WebDataSource;
 205 using blink::WebDocument;
 206 using blink::WebDOMEvent;
 207 using blink::WebDOMMessageEvent;
 208 using blink::WebElement;
 209 using blink::WebExternalPopupMenu;
 210 using blink::WebExternalPopupMenuClient;
 211 using blink::WebFrame;
 212 using blink::WebHistoryItem;
 213 using blink::WebHTTPBody;
 214 using blink::WebLocalFrame;
 215 using blink::WebMediaPlayer;
 216 using blink::WebMediaPlayerClient;
 217 using blink::WebMediaPlayerEncryptedMediaClient;
 218 using blink::WebNavigationPolicy;
 219 using blink::WebNavigationType;
 220 using blink::WebNode;
 221 using blink::WebPluginParams;
 222 using blink::WebPopupMenuInfo;
 223 using blink::WebRange;
 224 using blink::WebReferrerPolicy;
 225 using blink::WebScriptSource;
 226 using blink::WebSearchableFormData;
 227 using blink::WebSecurityOrigin;
 228 using blink::WebSecurityPolicy;
 229 using blink::WebSerializedScriptValue;
 230 using blink::WebServiceWorkerProvider;
 231 using blink::WebSettings;
 232 using blink::WebStorageQuotaCallbacks;
 233 using blink::WebString;
 234 using blink::WebURL;
 235 using blink::WebURLError;
 236 using blink::WebURLRequest;
 237 using blink::WebURLResponse;
 238 using blink::WebUserGestureIndicator;
 239 using blink::WebVector;
 240 using blink::WebView;
 241 using base::Time;
 242 using base::TimeDelta;
 243
 244 namespace content {
 245
 246 namespace {
 247
 248 const char kDefaultAcceptHeader[] =
 249     "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/"
 250     "*;q=0.8";
 251 const char kAcceptHeader[] = "Accept";
 252
 253 const size_t kExtraCharsBeforeAndAfterSelection = 100;
 254
 255 typedef std::map<int, RenderFrameImpl*> RoutingIDFrameMap;
 256 static base::LazyInstance<RoutingIDFrameMap> g_routing_id_frame_map =
 257     LAZY_INSTANCE_INITIALIZER;
 258
 259 typedef std::map<blink::WebFrame*, RenderFrameImpl*> FrameMap;
 260 base::LazyInstance<FrameMap> g_frame_map = LAZY_INSTANCE_INITIALIZER;
 261
 262 int64 ExtractPostId(HistoryEntry* entry) {
 263   if (!entry)
 264     return -1;
 265
 266   const WebHistoryItem& item = entry->root();
 267   if (item.isNull() || item.httpBody().isNull())
 268     return -1;
 269
 270   return item.httpBody().identifier();
 271 }
 272
 273 WebURLResponseExtraDataImpl* GetExtraDataFromResponse(
 274     const WebURLResponse& response) {
 275   return static_cast<WebURLResponseExtraDataImpl*>(response.extraData());
 276 }
 277
 278 void GetRedirectChain(WebDataSource* ds, std::vector<GURL>* result) {
 279   // Replace any occurrences of swappedout:// with about:blank.
 280   const WebURL& blank_url = GURL(url::kAboutBlankURL);
 281   WebVector<WebURL> urls;
 282   ds->redirectChain(urls);
 283   result->reserve(urls.size());
 284   for (size_t i = 0; i < urls.size(); ++i) {
 285     if (urls[i] != GURL(kSwappedOutURL))
 286       result->push_back(urls[i]);
 287     else
 288       result->push_back(blank_url);
 289   }
 290 }
 291
 292 // Returns the original request url. If there is no redirect, the original
 293 // url is the same as ds->request()->url(). If the WebDataSource belongs to a
 294 // frame was loaded by loadData, the original url will be ds->unreachableURL()
 295 GURL GetOriginalRequestURL(WebDataSource* ds) {
 296   // WebDataSource has unreachable URL means that the frame is loaded through
 297   // blink::WebFrame::loadData(), and the base URL will be in the redirect
 298   // chain. However, we never visited the baseURL. So in this case, we should
 299   // use the unreachable URL as the original URL.
 300   if (ds->hasUnreachableURL())
 301     return ds->unreachableURL();
 302
 303   std::vector<GURL> redirects;
 304   GetRedirectChain(ds, &redirects);
 305   if (!redirects.empty())
 306     return redirects.at(0);
 307
 308   return ds->originalRequest().url();
 309 }
 310
 311 NOINLINE void CrashIntentionally() {
 312   // NOTE(shess): Crash directly rather than using NOTREACHED() so
 313   // that the signature is easier to triage in crash reports.
 314   volatile int* zero = NULL;
 315   *zero = 0;
 316 }
 317
 318 NOINLINE void BadCastCrashIntentionally() {
 319   class A {
 320     virtual void f() {}
 321   };
 322
 323   class B {
 324     virtual void f() {}
 325   };
 326
 327   A a;
 328   (void)(B*)&a;
 329 }
 330
 331 #if defined(ADDRESS_SANITIZER) || defined(SYZYASAN)
 332 NOINLINE void MaybeTriggerAsanError(const GURL& url) {
 333   // NOTE(rogerm): We intentionally perform an invalid heap access here in
 334   //     order to trigger an Address Sanitizer (ASAN) error report.
 335   const char kCrashDomain[] = "crash";
 336   const char kHeapOverflow[] = "/heap-overflow";
 337   const char kHeapUnderflow[] = "/heap-underflow";
 338   const char kUseAfterFree[] = "/use-after-free";
 339 #if defined(SYZYASAN)
 340   const char kCorruptHeapBlock[] = "/corrupt-heap-block";
 341   const char kCorruptHeap[] = "/corrupt-heap";
 342 #endif
 343
 344   if (!url.DomainIs(kCrashDomain))
 345     return;
 346
 347   if (!url.has_path())
 348     return;
 349
 350   std::string crash_type(url.path());
 351   if (crash_type == kHeapOverflow) {
 352     base::debug::AsanHeapOverflow();
 353   } else if (crash_type == kHeapUnderflow ) {
 354     base::debug::AsanHeapUnderflow();
 355   } else if (crash_type == kUseAfterFree) {
 356     base::debug::AsanHeapUseAfterFree();
 357 #if defined(SYZYASAN)
 358   } else if (crash_type == kCorruptHeapBlock) {
 359     base::debug::AsanCorruptHeapBlock();
 360   } else if (crash_type == kCorruptHeap) {
 361     base::debug::AsanCorruptHeap();
 362 #endif
 363   }
 364 }
 365 #endif  // ADDRESS_SANITIZER || SYZYASAN
 366
 367 void MaybeHandleDebugURL(const GURL& url) {
 368   if (!url.SchemeIs(kChromeUIScheme))
 369     return;
 370   if (url == GURL(kChromeUIBadCastCrashURL)) {
 371     BadCastCrashIntentionally();
 372   } else if (url == GURL(kChromeUICrashURL)) {
 373     CrashIntentionally();
 374   } else if (url == GURL(kChromeUIDumpURL)) {
 375     // This URL will only correctly create a crash dump file if content is
 376     // hosted in a process that has correctly called
 377     // base::debug::SetDumpWithoutCrashingFunction.  Refer to the documentation
 378     // of base::debug::DumpWithoutCrashing for more details.
 379     base::debug::DumpWithoutCrashing();
 380   } else if (url == GURL(kChromeUIKillURL)) {
 381     base::Process::Current().Terminate(1, false);
 382   } else if (url == GURL(kChromeUIHangURL)) {
 383     for (;;) {
 384       base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(1));
 385     }
 386   } else if (url == GURL(kChromeUIShorthangURL)) {
 387     base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(20));
 388   }
 389
 390 #if defined(ADDRESS_SANITIZER) || defined(SYZYASAN)
 391   MaybeTriggerAsanError(url);
 392 #endif  // ADDRESS_SANITIZER || SYZYASAN
 393 }
 394
 395 // Returns false unless this is a top-level navigation.
 396 bool IsTopLevelNavigation(WebFrame* frame) {
 397   return frame->parent() == NULL;
 398 }
 399
 400 // Returns false unless this is a top-level navigation that crosses origins.
 401 bool IsNonLocalTopLevelNavigation(const GURL& url,
 402                                   WebFrame* frame,
 403                                   WebNavigationType type,
 404                                   bool is_form_post) {
 405   if (!IsTopLevelNavigation(frame))
 406     return false;
 407
 408   // Navigations initiated within Webkit are not sent out to the external host
 409   // in the following cases.
 410   // 1. The url scheme is not http/https
 411   // 2. The origin of the url and the opener is the same in which case the
 412   //    opener relationship is maintained.
 413   // 3. Reloads/form submits/back forward navigations
 414   if (!url.SchemeIs(url::kHttpScheme) && !url.SchemeIs(url::kHttpsScheme))
 415     return false;
 416
 417   if (type != blink::WebNavigationTypeReload &&
 418       type != blink::WebNavigationTypeBackForward && !is_form_post) {
 419     // The opener relationship between the new window and the parent allows the
 420     // new window to script the parent and vice versa. This is not allowed if
 421     // the origins of the two domains are different. This can be treated as a
 422     // top level navigation and routed back to the host.
 423     blink::WebFrame* opener = frame->opener();
 424     if (!opener)
 425       return true;
 426
 427     if (url.GetOrigin() != GURL(opener->document().url()).GetOrigin())
 428       return true;
 429   }
 430   return false;
 431 }
 432
 433 WebURLRequest CreateURLRequestForNavigation(
 434     const CommonNavigationParams& common_params,
 435     scoped_ptr<StreamOverrideParameters> stream_override,
 436     bool is_view_source_mode_enabled) {
 437   WebURLRequest request(common_params.url);
 438   if (is_view_source_mode_enabled)
 439     request.setCachePolicy(WebURLRequest::ReturnCacheDataElseLoad);
 440
 441   if (common_params.referrer.url.is_valid()) {
 442     WebString web_referrer = WebSecurityPolicy::generateReferrerHeader(
 443         common_params.referrer.policy,
 444         common_params.url,
 445         WebString::fromUTF8(common_params.referrer.url.spec()));
 446     if (!web_referrer.isEmpty())
 447       request.setHTTPReferrer(web_referrer, common_params.referrer.policy);
 448   }
 449
 450   RequestExtraData* extra_data = new RequestExtraData();
 451   extra_data->set_stream_override(stream_override.Pass());
 452   request.setExtraData(extra_data);
 453
 454   // Set the ui timestamp for this navigation. Currently the timestamp here is
 455   // only non empty when the navigation was triggered by an Android intent. The
 456   // timestamp is converted to a double version supported by blink. It will be
 457   // passed back to the browser in the DidCommitProvisionalLoad and the
 458   // DocumentLoadComplete IPCs.
 459   base::TimeDelta ui_timestamp = common_params.ui_timestamp - base::TimeTicks();
 460   request.setUiStartTime(ui_timestamp.InSecondsF());
 461   request.setInputPerfMetricReportPolicy(
 462       static_cast<WebURLRequest::InputToLoadPerfMetricReportPolicy>(
 463           common_params.report_type));
 464   return request;
 465 }
 466
 467 void UpdateFrameNavigationTiming(WebFrame* frame,
 468                                  base::TimeTicks browser_navigation_start,
 469                                  base::TimeTicks renderer_navigation_start) {
 470   // The browser provides the navigation_start time to bootstrap the
 471   // Navigation Timing information for the browser-initiated navigations. In
 472   // case of cross-process navigations, this carries over the time of
 473   // finishing the onbeforeunload handler of the previous page.
 474   DCHECK(!browser_navigation_start.is_null());
 475   if (frame->provisionalDataSource()) {
 476     // |browser_navigation_start| is likely before this process existed, so we
 477     // can't use InterProcessTimeTicksConverter. We need at least to ensure
 478     // that the browser-side navigation start we set is not later than the one
 479     // on the renderer side.
 480     base::TimeTicks navigation_start = std::min(
 481         browser_navigation_start, renderer_navigation_start);
 482     double navigation_start_seconds =
 483         (navigation_start - base::TimeTicks()).InSecondsF();
 484     frame->provisionalDataSource()->setNavigationStartTime(
 485         navigation_start_seconds);
 486     // TODO(clamy): We need to provide additional timing values for the
 487     // Navigation Timing API to work with browser-side navigations.
 488   }
 489 }
 490
 491 // PlzNavigate
 492 CommonNavigationParams MakeCommonNavigationParams(
 493     blink::WebURLRequest* request,
 494     bool should_replace_current_entry) {
 495   const RequestExtraData kEmptyData;
 496   const RequestExtraData* extra_data =
 497       static_cast<RequestExtraData*>(request->extraData());
 498   if (!extra_data)
 499     extra_data = &kEmptyData;
 500   Referrer referrer(
 501       GURL(request->httpHeaderField(WebString::fromUTF8("Referer")).latin1()),
 502       request->referrerPolicy());
 503
 504   // Set the ui timestamp for this navigation. Currently the timestamp here is
 505   // only non empty when the navigation was triggered by an Android intent, or
 506   // by the user clicking on a link. The timestamp is converted from a double
 507   // version supported by blink. It will be passed back to the renderer in the
 508   // CommitNavigation IPC, and then back to the browser again in the
 509   // DidCommitProvisionalLoad and the DocumentLoadComplete IPCs.
 510   base::TimeTicks ui_timestamp =
 511       base::TimeTicks() + base::TimeDelta::FromSecondsD(request->uiStartTime());
 512   FrameMsg_UILoadMetricsReportType::Value report_type =
 513       static_cast<FrameMsg_UILoadMetricsReportType::Value>(
 514           request->inputPerfMetricReportPolicy());
 515   return CommonNavigationParams(
 516       request->url(), referrer, extra_data->transition_type(),
 517       FrameMsg_Navigate_Type::NORMAL, true, should_replace_current_entry,
 518       ui_timestamp, report_type, GURL(), GURL());
 519 }
 520
 521 #if !defined(OS_ANDROID) || defined(ENABLE_MEDIA_PIPELINE_ON_ANDROID)
 522 media::Context3D GetSharedMainThreadContext3D() {
 523   cc::ContextProvider* provider =
 524       RenderThreadImpl::current()->SharedMainThreadContextProvider().get();
 525   if (!provider)
 526     return media::Context3D();
 527   return media::Context3D(provider->ContextGL(), provider->GrContext());
 528 }
 529 #endif
 530
 531 bool IsReload(FrameMsg_Navigate_Type::Value navigation_type) {
 532   return navigation_type == FrameMsg_Navigate_Type::RELOAD ||
 533          navigation_type == FrameMsg_Navigate_Type::RELOAD_IGNORING_CACHE ||
 534          navigation_type == FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL;
 535 }
 536
 537 RenderFrameImpl::CreateRenderFrameImplFunction g_create_render_frame_impl =
 538     nullptr;
 539
 540 void OnGotContentHandlerID(uint32_t content_handler_id) {}
 541
 542 }  // namespace
 543
 544 // static
 545 RenderFrameImpl* RenderFrameImpl::Create(RenderViewImpl* render_view,
 546                                          int32 routing_id) {
 547   DCHECK(routing_id != MSG_ROUTING_NONE);
 548   CreateParams params(render_view, routing_id);
 549
 550   if (g_create_render_frame_impl)
 551     return g_create_render_frame_impl(params);
 552   else
 553     return new RenderFrameImpl(params);
 554 }
 555
 556 // static
 557 RenderFrame* RenderFrame::FromRoutingID(int routing_id) {
 558   return RenderFrameImpl::FromRoutingID(routing_id);
 559 }
 560
 561 // static
 562 RenderFrameImpl* RenderFrameImpl::FromRoutingID(int routing_id) {
 563   RoutingIDFrameMap::iterator iter =
 564       g_routing_id_frame_map.Get().find(routing_id);
 565   if (iter != g_routing_id_frame_map.Get().end())
 566     return iter->second;
 567   return NULL;
 568 }
 569
 570 // static
 571 RenderFrameImpl* RenderFrameImpl::CreateMainFrame(RenderViewImpl* render_view,
 572                                                   int32 routing_id) {
 573   RenderFrameImpl* render_frame =
 574       RenderFrameImpl::Create(render_view, routing_id);
 575   WebLocalFrame* web_frame =
 576       WebLocalFrame::create(blink::WebTreeScopeType::Document, render_frame);
 577   render_frame->SetWebFrame(web_frame);
 578   render_view->webview()->setMainFrame(web_frame);
 579   return render_frame;
 580 }
 581
 582 // static
 583 void RenderFrameImpl::CreateFrame(
 584     int routing_id,
 585     int proxy_routing_id,
 586     int opener_routing_id,
 587     int parent_routing_id,
 588     int previous_sibling_routing_id,
 589     const FrameReplicationState& replicated_state,
 590     CompositorDependencies* compositor_deps,
 591     const FrameMsg_NewFrame_WidgetParams& widget_params) {
 592   blink::WebLocalFrame* web_frame;
 593   RenderFrameImpl* render_frame;
 594   if (proxy_routing_id == MSG_ROUTING_NONE) {
 595     RenderFrameProxy* parent_proxy =
 596         RenderFrameProxy::FromRoutingID(parent_routing_id);
 597     // If the browser is sending a valid parent routing id, it should already
 598     // be created and registered.
 599     CHECK(parent_proxy);
 600     blink::WebRemoteFrame* parent_web_frame = parent_proxy->web_frame();
 601
 602     blink::WebFrame* previous_sibling_web_frame = nullptr;
 603     RenderFrameProxy* previous_sibling_proxy =
 604         RenderFrameProxy::FromRoutingID(previous_sibling_routing_id);
 605     if (previous_sibling_proxy)
 606       previous_sibling_web_frame = previous_sibling_proxy->web_frame();
 607
 608     // Create the RenderFrame and WebLocalFrame, linking the two.
 609     render_frame =
 610         RenderFrameImpl::Create(parent_proxy->render_view(), routing_id);
 611     web_frame = parent_web_frame->createLocalChild(
 612         replicated_state.scope, WebString::fromUTF8(replicated_state.name),
 613         replicated_state.sandbox_flags, render_frame,
 614         previous_sibling_web_frame);
 615   } else {
 616     RenderFrameProxy* proxy =
 617         RenderFrameProxy::FromRoutingID(proxy_routing_id);
 618     CHECK(proxy);
 619     render_frame = RenderFrameImpl::Create(proxy->render_view(), routing_id);
 620     web_frame =
 621         blink::WebLocalFrame::create(replicated_state.scope, render_frame);
 622     render_frame->proxy_routing_id_ = proxy_routing_id;
 623     web_frame->initializeToReplaceRemoteFrame(
 624         proxy->web_frame(), WebString::fromUTF8(replicated_state.name),
 625         replicated_state.sandbox_flags);
 626   }
 627   render_frame->SetWebFrame(web_frame);
 628   CHECK_IMPLIES(parent_routing_id == MSG_ROUTING_NONE, !web_frame->parent());
 629
 630   WebFrame* opener = ResolveOpener(opener_routing_id, nullptr);
 631   web_frame->setOpener(opener);
 632
 633   if (widget_params.routing_id != MSG_ROUTING_NONE) {
 634     CHECK(SiteIsolationPolicy::AreCrossProcessFramesPossible());
 635     render_frame->render_widget_ = RenderWidget::CreateForFrame(
 636         widget_params.routing_id, widget_params.surface_id,
 637         widget_params.hidden, render_frame->render_view_->screen_info(),
 638         compositor_deps, web_frame);
 639     // TODO(kenrb): Observing shouldn't be necessary when we sort out
 640     // WasShown and WasHidden, separating page-level visibility from
 641     // frame-level visibility.
 642     render_frame->render_widget_->RegisterRenderFrame(render_frame);
 643   }
 644
 645   render_frame->Initialize();
 646 }
 647
 648 // static
 649 RenderFrame* RenderFrame::FromWebFrame(blink::WebFrame* web_frame) {
 650   return RenderFrameImpl::FromWebFrame(web_frame);
 651 }
 652
 653 // static
 654 RenderFrameImpl* RenderFrameImpl::FromWebFrame(blink::WebFrame* web_frame) {
 655   FrameMap::iterator iter = g_frame_map.Get().find(web_frame);
 656   if (iter != g_frame_map.Get().end())
 657     return iter->second;
 658   return NULL;
 659 }
 660
 661 // static
 662 void RenderFrameImpl::InstallCreateHook(
 663     CreateRenderFrameImplFunction create_render_frame_impl) {
 664   CHECK(!g_create_render_frame_impl);
 665   g_create_render_frame_impl = create_render_frame_impl;
 666 }
 667
 668 // static
 669 blink::WebFrame* RenderFrameImpl::ResolveOpener(int opener_frame_routing_id,
 670                                                 int* opener_view_routing_id) {
 671   if (opener_view_routing_id)
 672     *opener_view_routing_id = MSG_ROUTING_NONE;
 673
 674   if (opener_frame_routing_id == MSG_ROUTING_NONE)
 675     return nullptr;
 676
 677   // Opener routing ID could refer to either a RenderFrameProxy or a
 678   // RenderFrame, so need to check both.
 679   RenderFrameProxy* opener_proxy =
 680       RenderFrameProxy::FromRoutingID(opener_frame_routing_id);
 681   if (opener_proxy) {
 682     if (opener_view_routing_id)
 683       *opener_view_routing_id = opener_proxy->render_view()->GetRoutingID();
 684
 685     // TODO(nasko,alexmos): This check won't be needed once swappedout:// is
 686     // gone.
 687     if (opener_proxy->IsMainFrameDetachedFromTree()) {
 688       DCHECK(!SiteIsolationPolicy::IsSwappedOutStateForbidden());
 689       return opener_proxy->render_view()->webview()->mainFrame();
 690     } else {
 691       return opener_proxy->web_frame();
 692     }
 693   }
 694
 695   RenderFrameImpl* opener_frame =
 696       RenderFrameImpl::FromRoutingID(opener_frame_routing_id);
 697   if (opener_frame) {
 698     if (opener_view_routing_id)
 699       *opener_view_routing_id = opener_frame->render_view()->GetRoutingID();
 700     return opener_frame->GetWebFrame();
 701   }
 702
 703   return nullptr;
 704 }
 705
 706 // RenderFrameImpl ----------------------------------------------------------
 707 RenderFrameImpl::RenderFrameImpl(const CreateParams& params)
 708     : frame_(NULL),
 709       is_subframe_(false),
 710       is_local_root_(false),
 711       render_view_(params.render_view->AsWeakPtr()),
 712       routing_id_(params.routing_id),
 713       is_swapped_out_(false),
 714       render_frame_proxy_(NULL),
 715       is_detaching_(false),
 716       proxy_routing_id_(MSG_ROUTING_NONE),
 717 #if defined(ENABLE_PLUGINS)
 718       plugin_power_saver_helper_(NULL),
 719 #endif
 720       cookie_jar_(this),
 721       selection_text_offset_(0),
 722       selection_range_(gfx::Range::InvalidRange()),
 723       handling_select_range_(false),
 724       notification_permission_dispatcher_(NULL),
 725       web_user_media_client_(NULL),
 726       media_permission_dispatcher_(NULL),
 727       midi_dispatcher_(NULL),
 728 #if defined(OS_ANDROID)
 729       media_player_manager_(NULL),
 730 #endif
 731 #if defined(ENABLE_BROWSER_CDMS)
 732       cdm_manager_(NULL),
 733 #endif
 734 #if defined(VIDEO_HOLE)
 735       contains_media_player_(false),
 736 #endif
 737       has_played_media_(false),
 738       devtools_agent_(nullptr),
 739       geolocation_dispatcher_(NULL),
 740       push_messaging_dispatcher_(NULL),
 741       presentation_dispatcher_(NULL),
 742       screen_orientation_dispatcher_(NULL),
 743       manifest_manager_(NULL),
 744       accessibility_mode_(AccessibilityModeOff),
 745       renderer_accessibility_(NULL),
 746       weak_factory_(this) {
 747   std::pair<RoutingIDFrameMap::iterator, bool> result =
 748       g_routing_id_frame_map.Get().insert(std::make_pair(routing_id_, this));
 749   CHECK(result.second) << "Inserting a duplicate item.";
 750
 751   RenderThread::Get()->AddRoute(routing_id_, this);
 752
 753   render_view_->RegisterRenderFrame(this);
 754
 755   // Everything below subclasses RenderFrameObserver and is automatically
 756   // deleted when the RenderFrame gets deleted.
 757 #if defined(OS_ANDROID)
 758   new GinJavaBridgeDispatcher(this);
 759 #endif
 760
 761 #if defined(ENABLE_PLUGINS)
 762   plugin_power_saver_helper_ = new PluginPowerSaverHelper(this);
 763 #endif
 764
 765   manifest_manager_ = new ManifestManager(this);
 766
 767   GetServiceRegistry()->ConnectToRemoteService(mojo::GetProxy(&mojo_shell_));
 768 }
 769
 770 RenderFrameImpl::~RenderFrameImpl() {
 771   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, RenderFrameGone());
 772   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, OnDestruct());
 773
 774   base::trace_event::TraceLog::GetInstance()->RemoveProcessLabel(routing_id_);
 775
 776 #if defined(VIDEO_HOLE)
 777   if (contains_media_player_)
 778     render_view_->UnregisterVideoHoleFrame(this);
 779 #endif
 780
 781   if (!is_subframe_) {
 782     // When using swapped out frames, RenderFrameProxy is owned by
 783     // RenderFrameImpl in the case it is the main frame. Ensure it is deleted
 784     // along with this object.
 785     if (render_frame_proxy_ &&
 786         !SiteIsolationPolicy::IsSwappedOutStateForbidden()) {
 787       // The following method calls back into this object and clears
 788       // |render_frame_proxy_|.
 789       render_frame_proxy_->frameDetached(
 790           blink::WebRemoteFrameClient::DetachType::Remove);
 791     }
 792
 793     // Ensure the RenderView doesn't point to this object, once it is destroyed.
 794     // TODO(nasko): Add a check that the |main_render_frame_| of |render_view_|
 795     // is |this|, once the object is no longer leaked.
 796     // See https://crbug.com/464764.
 797     render_view_->main_render_frame_ = nullptr;
 798   }
 799
 800   render_view_->UnregisterRenderFrame(this);
 801   g_routing_id_frame_map.Get().erase(routing_id_);
 802   RenderThread::Get()->RemoveRoute(routing_id_);
 803 }
 804
 805 void RenderFrameImpl::SetWebFrame(blink::WebLocalFrame* web_frame) {
 806   DCHECK(!frame_);
 807
 808   std::pair<FrameMap::iterator, bool> result = g_frame_map.Get().insert(
 809       std::make_pair(web_frame, this));
 810   CHECK(result.second) << "Inserting a duplicate item.";
 811
 812   frame_ = web_frame;
 813 }
 814
 815 void RenderFrameImpl::Initialize() {
 816   is_subframe_ = !!frame_->parent();
 817   is_local_root_ = !frame_->parent() || frame_->parent()->isWebRemoteFrame();
 818
 819 #if defined(ENABLE_PLUGINS)
 820   new PepperBrowserConnection(this);
 821 #endif
 822   new SharedWorkerRepository(this);
 823
 824   if (is_local_root_ && !render_frame_proxy_) {
 825     // DevToolsAgent is a RenderFrameObserver, and will destruct itself
 826     // when |this| is deleted.
 827     devtools_agent_ = new DevToolsAgent(this);
 828   }
 829
 830   RegisterMojoServices();
 831
 832   // We delay calling this until we have the WebFrame so that any observer or
 833   // embedder can call GetWebFrame on any RenderFrame.
 834   GetContentClient()->renderer()->RenderFrameCreated(this);
 835 }
 836
 837 RenderWidget* RenderFrameImpl::GetRenderWidget() {
 838   return render_view_.get();
 839 }
 840
 841 #if defined(ENABLE_PLUGINS)
 842 void RenderFrameImpl::PepperPluginCreated(RendererPpapiHost* host) {
 843   FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
 844                     DidCreatePepperPlugin(host));
 845   if (host->GetPluginName() == kFlashPluginName) {
 846     RenderThread::Get()->RecordAction(
 847         base::UserMetricsAction("FrameLoadWithFlash"));
 848   }
 849 }
 850
 851 void RenderFrameImpl::PepperDidChangeCursor(
 852     PepperPluginInstanceImpl* instance,
 853     const blink::WebCursorInfo& cursor) {
 854   // Update the cursor appearance immediately if the requesting plugin is the
 855   // one which receives the last mouse event. Otherwise, the new cursor won't be
 856   // picked up until the plugin gets the next input event. That is bad if, e.g.,
 857   // the plugin would like to set an invisible cursor when there isn't any user
 858   // input for a while.
 859   if (instance == render_view_->pepper_last_mouse_event_target())
 860     GetRenderWidget()->didChangeCursor(cursor);
 861 }
 862
 863 void RenderFrameImpl::PepperDidReceiveMouseEvent(
 864     PepperPluginInstanceImpl* instance) {
 865   render_view_->set_pepper_last_mouse_event_target(instance);
 866 }
 867
 868 void RenderFrameImpl::PepperTextInputTypeChanged(
 869     PepperPluginInstanceImpl* instance) {
 870   if (instance != render_view_->focused_pepper_plugin())
 871     return;
 872
 873   GetRenderWidget()->UpdateTextInputState(
 874       RenderWidget::NO_SHOW_IME, RenderWidget::FROM_NON_IME);
 875
 876   FocusedNodeChangedForAccessibility(WebNode());
 877 }
 878
 879 void RenderFrameImpl::PepperCaretPositionChanged(
 880     PepperPluginInstanceImpl* instance) {
 881   if (instance != render_view_->focused_pepper_plugin())
 882     return;
 883   GetRenderWidget()->UpdateSelectionBounds();
 884 }
 885
 886 void RenderFrameImpl::PepperCancelComposition(
 887     PepperPluginInstanceImpl* instance) {
 888   if (instance != render_view_->focused_pepper_plugin())
 889     return;
 890   Send(new InputHostMsg_ImeCancelComposition(render_view_->GetRoutingID()));;
 891 #if defined(OS_MACOSX) || defined(USE_AURA)
 892   GetRenderWidget()->UpdateCompositionInfo(true);
 893 #endif
 894 }
 895
 896 void RenderFrameImpl::PepperSelectionChanged(
 897     PepperPluginInstanceImpl* instance) {
 898   if (instance != render_view_->focused_pepper_plugin())
 899     return;
 900   SyncSelectionIfRequired();
 901 }
 902
 903 RenderWidgetFullscreenPepper* RenderFrameImpl::CreatePepperFullscreenContainer(
 904     PepperPluginInstanceImpl* plugin) {
 905   GURL active_url;
 906   if (render_view_->webview() && render_view_->webview()->mainFrame())
 907     active_url = GURL(render_view_->webview()->mainFrame()->document().url());
 908   RenderWidgetFullscreenPepper* widget = RenderWidgetFullscreenPepper::Create(
 909       GetRenderWidget()->routing_id(), GetRenderWidget()->compositor_deps(),
 910       plugin, active_url, GetRenderWidget()->screenInfo());
 911   widget->show(blink::WebNavigationPolicyIgnore);
 912   return widget;
 913 }
 914
 915 bool RenderFrameImpl::IsPepperAcceptingCompositionEvents() const {
 916   if (!render_view_->focused_pepper_plugin())
 917     return false;
 918   return render_view_->focused_pepper_plugin()->
 919       IsPluginAcceptingCompositionEvents();
 920 }
 921
 922 void RenderFrameImpl::PluginCrashed(const base::FilePath& plugin_path,
 923                                    base::ProcessId plugin_pid) {
 924   // TODO(jam): dispatch this IPC in RenderFrameHost and switch to use
 925   // routing_id_ as a result.
 926   Send(new FrameHostMsg_PluginCrashed(routing_id_, plugin_path, plugin_pid));
 927 }
 928
 929 void RenderFrameImpl::SimulateImeSetComposition(
 930     const base::string16& text,
 931     const std::vector<blink::WebCompositionUnderline>& underlines,
 932     int selection_start,
 933     int selection_end) {
 934   render_view_->OnImeSetComposition(
 935       text, underlines, selection_start, selection_end);
 936 }
 937
 938 void RenderFrameImpl::SimulateImeConfirmComposition(
 939     const base::string16& text,
 940     const gfx::Range& replacement_range) {
 941   render_view_->OnImeConfirmComposition(text, replacement_range, false);
 942 }
 943
 944 void RenderFrameImpl::OnImeSetComposition(
 945     const base::string16& text,
 946     const std::vector<blink::WebCompositionUnderline>& underlines,
 947     int selection_start,
 948     int selection_end) {
 949   // When a PPAPI plugin has focus, we bypass WebKit.
 950   if (!IsPepperAcceptingCompositionEvents()) {
 951     pepper_composition_text_ = text;
 952   } else {
 953     // TODO(kinaba) currently all composition events are sent directly to
 954     // plugins. Use DOM event mechanism after WebKit is made aware about
 955     // plugins that support composition.
 956     // The code below mimics the behavior of WebCore::Editor::setComposition.
 957
 958     // Empty -> nonempty: composition started.
 959     if (pepper_composition_text_.empty() && !text.empty()) {
 960       render_view_->focused_pepper_plugin()->HandleCompositionStart(
 961           base::string16());
 962     }
 963     // Nonempty -> empty: composition canceled.
 964     if (!pepper_composition_text_.empty() && text.empty()) {
 965       render_view_->focused_pepper_plugin()->HandleCompositionEnd(
 966           base::string16());
 967     }
 968     pepper_composition_text_ = text;
 969     // Nonempty: composition is ongoing.
 970     if (!pepper_composition_text_.empty()) {
 971       render_view_->focused_pepper_plugin()->HandleCompositionUpdate(
 972           pepper_composition_text_, underlines, selection_start,
 973           selection_end);
 974     }
 975   }
 976 }
 977
 978 void RenderFrameImpl::OnImeConfirmComposition(
 979     const base::string16& text,
 980     const gfx::Range& replacement_range,
 981     bool keep_selection) {
 982   // When a PPAPI plugin has focus, we bypass WebKit.
 983   // Here, text.empty() has a special meaning. It means to commit the last
 984   // update of composition text (see
 985   // RenderWidgetHost::ImeConfirmComposition()).
 986   const base::string16& last_text = text.empty() ? pepper_composition_text_
 987                                                  : text;
 988
 989   // last_text is empty only when both text and pepper_composition_text_ is.
 990   // Ignore it.
 991   if (last_text.empty())
 992     return;
 993
 994   if (!IsPepperAcceptingCompositionEvents()) {
 995     base::i18n::UTF16CharIterator iterator(&last_text);
 996     int32 i = 0;
 997     while (iterator.Advance()) {
 998       blink::WebKeyboardEvent char_event;
 999       char_event.type = blink::WebInputEvent::Char;
1000       char_event.timeStampSeconds = base::Time::Now().ToDoubleT();
1001       char_event.modifiers = 0;
1002       char_event.windowsKeyCode = last_text[i];
1003       char_event.nativeKeyCode = last_text[i];
1004
1005       const int32 char_start = i;
1006       for (; i < iterator.array_pos(); ++i) {
1007         char_event.text[i - char_start] = last_text[i];
1008         char_event.unmodifiedText[i - char_start] = last_text[i];
1009       }
1010
1011       if (GetRenderWidget()->webwidget())
1012         GetRenderWidget()->webwidget()->handleInputEvent(char_event);
1013     }
1014   } else {
1015     // Mimics the order of events sent by WebKit.
1016     // See WebCore::Editor::setComposition() for the corresponding code.
1017     render_view_->focused_pepper_plugin()->HandleCompositionEnd(last_text);
1018     render_view_->focused_pepper_plugin()->HandleTextInput(last_text);
1019   }
1020   pepper_composition_text_.clear();
1021 }
1022 #endif  // defined(ENABLE_PLUGINS)
1023
1024 MediaStreamDispatcher* RenderFrameImpl::GetMediaStreamDispatcher() {
1025   if (!web_user_media_client_)
1026     InitializeUserMediaClient();
1027   return web_user_media_client_ ?
1028       web_user_media_client_->media_stream_dispatcher() : NULL;
1029 }
1030
1031 bool RenderFrameImpl::Send(IPC::Message* message) {
1032   if (is_detaching_) {
1033     delete message;
1034     return false;
1035   }
1036   if (is_swapped_out_) {
1037     if (!SwappedOutMessages::CanSendWhileSwappedOut(message)) {
1038       delete message;
1039       return false;
1040     }
1041   }
1042
1043   return RenderThread::Get()->Send(message);
1044 }
1045
1046 #if defined(OS_MACOSX) || defined(OS_ANDROID)
1047 void RenderFrameImpl::DidHideExternalPopupMenu() {
1048   // We need to clear external_popup_menu_ as soon as ExternalPopupMenu::close
1049   // is called. Otherwise, createExternalPopupMenu() for new popup will fail.
1050   external_popup_menu_.reset();
1051 }
1052 #endif
1053
1054 bool RenderFrameImpl::OnMessageReceived(const IPC::Message& msg) {
1055   // We may get here while detaching, when the WebFrame has been deleted.  Do
1056   // not process any messages in this state.
1057   if (!frame_)
1058     return false;
1059
1060   // TODO(kenrb): document() should not be null, but as a transitional step
1061   // we have RenderFrameProxy 'wrapping' a RenderFrameImpl, passing messages
1062   // to this method. This happens for a top-level remote frame, where a
1063   // document-less RenderFrame is replaced by a RenderFrameProxy but kept
1064   // around and is still able to receive messages.
1065   if (!frame_->document().isNull())
1066     GetContentClient()->SetActiveURL(frame_->document().url());
1067
1068   base::ObserverListBase<RenderFrameObserver>::Iterator it(&observers_);
1069   RenderFrameObserver* observer;
1070   while ((observer = it.GetNext()) != NULL) {
1071     if (observer->OnMessageReceived(msg))
1072       return true;
1073   }
1074
1075   bool handled = true;
1076   IPC_BEGIN_MESSAGE_MAP(RenderFrameImpl, msg)
1077     IPC_MESSAGE_HANDLER(FrameMsg_Navigate, OnNavigate)
1078     IPC_MESSAGE_HANDLER(FrameMsg_BeforeUnload, OnBeforeUnload)
1079     IPC_MESSAGE_HANDLER(FrameMsg_SwapOut, OnSwapOut)
1080     IPC_MESSAGE_HANDLER(FrameMsg_Stop, OnStop)
1081     IPC_MESSAGE_HANDLER(FrameMsg_ContextMenuClosed, OnContextMenuClosed)
1082     IPC_MESSAGE_HANDLER(FrameMsg_CustomContextMenuAction,
1083                         OnCustomContextMenuAction)
1084     IPC_MESSAGE_HANDLER(InputMsg_Undo, OnUndo)
1085     IPC_MESSAGE_HANDLER(InputMsg_Redo, OnRedo)
1086     IPC_MESSAGE_HANDLER(InputMsg_Cut, OnCut)
1087     IPC_MESSAGE_HANDLER(InputMsg_Copy, OnCopy)
1088     IPC_MESSAGE_HANDLER(InputMsg_Paste, OnPaste)
1089     IPC_MESSAGE_HANDLER(InputMsg_PasteAndMatchStyle, OnPasteAndMatchStyle)
1090     IPC_MESSAGE_HANDLER(InputMsg_Delete, OnDelete)
1091     IPC_MESSAGE_HANDLER(InputMsg_SelectAll, OnSelectAll)
1092     IPC_MESSAGE_HANDLER(InputMsg_SelectRange, OnSelectRange)
1093     IPC_MESSAGE_HANDLER(InputMsg_AdjustSelectionByCharacterOffset,
1094                         OnAdjustSelectionByCharacterOffset)
1095     IPC_MESSAGE_HANDLER(InputMsg_Unselect, OnUnselect)
1096     IPC_MESSAGE_HANDLER(InputMsg_MoveRangeSelectionExtent,
1097                         OnMoveRangeSelectionExtent)
1098     IPC_MESSAGE_HANDLER(InputMsg_Replace, OnReplace)
1099     IPC_MESSAGE_HANDLER(InputMsg_ReplaceMisspelling, OnReplaceMisspelling)
1100     IPC_MESSAGE_HANDLER(InputMsg_ExtendSelectionAndDelete,
1101                         OnExtendSelectionAndDelete)
1102     IPC_MESSAGE_HANDLER(InputMsg_SetCompositionFromExistingText,
1103                         OnSetCompositionFromExistingText)
1104     IPC_MESSAGE_HANDLER(InputMsg_ExecuteNoValueEditCommand,
1105                         OnExecuteNoValueEditCommand)
1106     IPC_MESSAGE_HANDLER(FrameMsg_CSSInsertRequest, OnCSSInsertRequest)
1107     IPC_MESSAGE_HANDLER(FrameMsg_AddMessageToConsole, OnAddMessageToConsole)
1108     IPC_MESSAGE_HANDLER(FrameMsg_JavaScriptExecuteRequest,
1109                         OnJavaScriptExecuteRequest)
1110     IPC_MESSAGE_HANDLER(FrameMsg_JavaScriptExecuteRequestForTests,
1111                         OnJavaScriptExecuteRequestForTests)
1112     IPC_MESSAGE_HANDLER(FrameMsg_JavaScriptExecuteRequestInIsolatedWorld,
1113                         OnJavaScriptExecuteRequestInIsolatedWorld)
1114     IPC_MESSAGE_HANDLER(FrameMsg_VisualStateRequest,
1115                         OnVisualStateRequest)
1116     IPC_MESSAGE_HANDLER(FrameMsg_SetEditableSelectionOffsets,
1117                         OnSetEditableSelectionOffsets)
1118     IPC_MESSAGE_HANDLER(FrameMsg_Reload, OnReload)
1119     IPC_MESSAGE_HANDLER(FrameMsg_TextSurroundingSelectionRequest,
1120                         OnTextSurroundingSelectionRequest)
1121     IPC_MESSAGE_HANDLER(FrameMsg_SetAccessibilityMode,
1122                         OnSetAccessibilityMode)
1123     IPC_MESSAGE_HANDLER(AccessibilityMsg_SnapshotTree,
1124                         OnSnapshotAccessibilityTree)
1125     IPC_MESSAGE_HANDLER(FrameMsg_UpdateOpener, OnUpdateOpener)
1126     IPC_MESSAGE_HANDLER(FrameMsg_CommitNavigation, OnCommitNavigation)
1127     IPC_MESSAGE_HANDLER(FrameMsg_DidUpdateSandboxFlags, OnDidUpdateSandboxFlags)
1128     IPC_MESSAGE_HANDLER(FrameMsg_SetTextTrackSettings,
1129                         OnTextTrackSettingsChanged)
1130     IPC_MESSAGE_HANDLER(FrameMsg_PostMessageEvent, OnPostMessageEvent)
1131     IPC_MESSAGE_HANDLER(FrameMsg_FailedNavigation, OnFailedNavigation)
1132 #if defined(OS_ANDROID)
1133     IPC_MESSAGE_HANDLER(FrameMsg_SelectPopupMenuItems, OnSelectPopupMenuItems)
1134 #elif defined(OS_MACOSX)
1135     IPC_MESSAGE_HANDLER(FrameMsg_SelectPopupMenuItem, OnSelectPopupMenuItem)
1136     IPC_MESSAGE_HANDLER(InputMsg_CopyToFindPboard, OnCopyToFindPboard)
1137 #endif
1138   IPC_END_MESSAGE_MAP()
1139
1140   return handled;
1141 }
1142
1143 void RenderFrameImpl::OnNavigate(
1144     const CommonNavigationParams& common_params,
1145     const StartNavigationParams& start_params,
1146     const RequestNavigationParams& request_params) {
1147   DCHECK(!base::CommandLine::ForCurrentProcess()->HasSwitch(
1148       switches::kEnableBrowserSideNavigation));
1149   TRACE_EVENT2("navigation", "RenderFrameImpl::OnNavigate", "id", routing_id_,
1150                "url", common_params.url.possibly_invalid_spec());
1151   NavigateInternal(common_params, start_params, request_params,
1152                    scoped_ptr<StreamOverrideParameters>());
1153 }
1154
1155 void RenderFrameImpl::NavigateToSwappedOutURL() {
1156   // We use loadRequest instead of loadHTMLString because the former commits
1157   // synchronously.  Otherwise a new navigation can interrupt the navigation
1158   // to kSwappedOutURL. If that happens to be to the page we had been
1159   // showing, then WebKit will never send a commit and we'll be left spinning.
1160   // Set the is_swapped_out_ bit to true, so IPC filtering is in effect and
1161   // the navigation to swappedout:// is not announced to the browser side.
1162   is_swapped_out_ = true;
1163   GURL swappedOutURL(kSwappedOutURL);
1164   WebURLRequest request(swappedOutURL);
1165   frame_->loadRequest(request);
1166 }
1167
1168 void RenderFrameImpl::BindServiceRegistry(
1169     mojo::InterfaceRequest<mojo::ServiceProvider> services,
1170     mojo::ServiceProviderPtr exposed_services) {
1171   service_registry_.Bind(services.Pass());
1172   service_registry_.BindRemoteServiceProvider(exposed_services.Pass());
1173 }
1174
1175 ManifestManager* RenderFrameImpl::manifest_manager() {
1176   return manifest_manager_;
1177 }
1178
1179 void RenderFrameImpl::SetPendingNavigationParams(
1180     scoped_ptr<NavigationParams> navigation_params) {
1181   pending_navigation_params_ = navigation_params.Pass();
1182 }
1183
1184 void RenderFrameImpl::OnBeforeUnload() {
1185   TRACE_EVENT1("navigation", "RenderFrameImpl::OnBeforeUnload",
1186                "id", routing_id_);
1187   // TODO(creis): Right now, this is only called on the main frame.  Make the
1188   // browser process send dispatchBeforeUnloadEvent to every frame that needs
1189   // it.
1190   CHECK(!frame_->parent());
1191
1192   base::TimeTicks before_unload_start_time = base::TimeTicks::Now();
1193   bool proceed = frame_->dispatchBeforeUnloadEvent();
1194   base::TimeTicks before_unload_end_time = base::TimeTicks::Now();
1195   Send(new FrameHostMsg_BeforeUnload_ACK(routing_id_, proceed,
1196                                          before_unload_start_time,
1197                                          before_unload_end_time));
1198 }
1199
1200 void RenderFrameImpl::OnSwapOut(
1201     int proxy_routing_id,
1202     bool is_loading,
1203     const FrameReplicationState& replicated_frame_state) {
1204   TRACE_EVENT1("navigation", "RenderFrameImpl::OnSwapOut", "id", routing_id_);
1205   RenderFrameProxy* proxy = NULL;
1206   bool swapped_out_forbidden =
1207       SiteIsolationPolicy::IsSwappedOutStateForbidden();
1208   bool is_main_frame = !frame_->parent();
1209
1210   // This codepath should only be hit for subframes when in --site-per-process.
1211   CHECK_IMPLIES(!is_main_frame,
1212                 SiteIsolationPolicy::AreCrossProcessFramesPossible());
1213
1214   // Only run unload if we're not swapped out yet, but send the ack either way.
1215   if (!is_swapped_out_) {
1216     // Swap this RenderFrame out so the frame can navigate to a page rendered by
1217     // a different process.  This involves running the unload handler and
1218     // clearing the page.  We also allow this process to exit if there are no
1219     // other active RenderFrames in it.
1220
1221     // Send an UpdateState message before we get swapped out.
1222     render_view_->SendUpdateState();
1223
1224     // If we need a proxy to replace this, create it now so its routing id is
1225     // registered for receiving IPC messages.
1226     if (proxy_routing_id != MSG_ROUTING_NONE) {
1227       proxy = RenderFrameProxy::CreateProxyToReplaceFrame(
1228           this, proxy_routing_id, replicated_frame_state.scope);
1229     }
1230
1231     // Synchronously run the unload handler before sending the ACK.
1232     // TODO(creis): Call dispatchUnloadEvent unconditionally here to support
1233     // unload on subframes as well.
1234     if (is_main_frame)
1235       frame_->dispatchUnloadEvent();
1236
1237     // Swap out and stop sending any IPC messages that are not ACKs.
1238     if (is_main_frame)
1239       render_view_->SetSwappedOut(true);
1240     is_swapped_out_ = true;
1241
1242     // Set the proxy here, since OnStop() below could cause an onload event
1243     // handler to execute, which could trigger code such as
1244     // willCheckAndDispatchMessageEvent() that needs the proxy.
1245     if (proxy)
1246       set_render_frame_proxy(proxy);
1247
1248     // Now that we're swapped out and filtering IPC messages, stop loading to
1249     // ensure that no other in-progress navigation continues.  We do this here
1250     // to avoid sending a DidStopLoading message to the browser process.
1251     // TODO(creis): Should we be stopping all frames here and using
1252     // StopAltErrorPageFetcher with RenderView::OnStop, or just stopping this
1253     // frame?
1254     if (!swapped_out_forbidden)
1255       OnStop();
1256
1257     // Transfer settings such as initial drawing parameters to the remote frame,
1258     // if one is created, that will replace this frame.
1259     if (!is_main_frame && proxy)
1260       proxy->web_frame()->initializeFromFrame(frame_);
1261
1262     // Replace the page with a blank dummy URL. The unload handler will not be
1263     // run a second time, thanks to a check in FrameLoader::stopLoading.
1264     // TODO(creis): Need to add a better way to do this that avoids running the
1265     // beforeunload handler. For now, we just run it a second time silently.
1266     if (!swapped_out_forbidden)
1267       NavigateToSwappedOutURL();
1268
1269     // Let WebKit know that this view is hidden so it can drop resources and
1270     // stop compositing.
1271     // TODO(creis): Support this for subframes as well.
1272     if (is_main_frame) {
1273       render_view_->webview()->setVisibilityState(
1274           blink::WebPageVisibilityStateHidden, false);
1275     }
1276   }
1277
1278   // It is now safe to show modal dialogs again.
1279   // TODO(creis): Deal with modal dialogs from subframes.
1280   if (is_main_frame)
1281     render_view_->suppress_dialogs_until_swap_out_ = false;
1282
1283   Send(new FrameHostMsg_SwapOut_ACK(routing_id_));
1284
1285   RenderViewImpl* render_view = render_view_.get();
1286
1287   // Now that all of the cleanup is complete and the browser side is notified,
1288   // start using the RenderFrameProxy, if one is created.
1289   if (proxy && swapped_out_forbidden) {
1290     frame_->swap(proxy->web_frame());
1291
1292     if (is_loading)
1293       proxy->OnDidStartLoading();
1294   }
1295
1296   // In --site-per-process, initialize the WebRemoteFrame with the replication
1297   // state passed by the process that is now rendering the frame.
1298   // TODO(alexmos): We cannot yet do this for swapped-out main frames, because
1299   // in that case we leave the LocalFrame as the main frame visible to Blink
1300   // and don't call swap() above. Because swap() is what creates a RemoteFrame
1301   // in proxy->web_frame(), the RemoteFrame will not exist for main frames.
1302   // When we do an unconditional swap for all frames, we can remove
1303   // !is_main_frame below.
1304   if (proxy && swapped_out_forbidden)
1305     proxy->SetReplicatedState(replicated_frame_state);
1306
1307   // Safe to exit if no one else is using the process.
1308   // TODO(nasko): Remove the dependency on RenderViewImpl here and ref count
1309   // the process based on the lifetime of this RenderFrameImpl object.
1310   if (is_main_frame) {
1311     render_view->WasSwappedOut();
1312   }
1313 }
1314
1315 void RenderFrameImpl::OnContextMenuClosed(
1316     const CustomContextMenuContext& custom_context) {
1317   if (custom_context.request_id) {
1318     // External request, should be in our map.
1319     ContextMenuClient* client =
1320         pending_context_menus_.Lookup(custom_context.request_id);
1321     if (client) {
1322       client->OnMenuClosed(custom_context.request_id);
1323       pending_context_menus_.Remove(custom_context.request_id);
1324     }
1325   } else {
1326     if (custom_context.link_followed.is_valid())
1327         frame_->sendPings(context_menu_node_, custom_context.link_followed);
1328     // Internal request, forward to WebKit.
1329     context_menu_node_.reset();
1330   }
1331 }
1332
1333 void RenderFrameImpl::OnCustomContextMenuAction(
1334     const CustomContextMenuContext& custom_context,
1335     unsigned action) {
1336   if (custom_context.request_id) {
1337     // External context menu request, look in our map.
1338     ContextMenuClient* client =
1339         pending_context_menus_.Lookup(custom_context.request_id);
1340     if (client)
1341       client->OnMenuAction(custom_context.request_id, action);
1342   } else {
1343     // Internal request, forward to WebKit.
1344     render_view_->webview()->performCustomContextMenuAction(action);
1345   }
1346 }
1347
1348 void RenderFrameImpl::OnUndo() {
1349   frame_->executeCommand(WebString::fromUTF8("Undo"), GetFocusedElement());
1350 }
1351
1352 void RenderFrameImpl::OnRedo() {
1353   frame_->executeCommand(WebString::fromUTF8("Redo"), GetFocusedElement());
1354 }
1355
1356 void RenderFrameImpl::OnCut() {
1357   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1358   frame_->executeCommand(WebString::fromUTF8("Cut"), GetFocusedElement());
1359 }
1360
1361 void RenderFrameImpl::OnCopy() {
1362   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1363   WebNode current_node = context_menu_node_.isNull() ?
1364       GetFocusedElement() : context_menu_node_;
1365   frame_->executeCommand(WebString::fromUTF8("Copy"), current_node);
1366 }
1367
1368 void RenderFrameImpl::OnPaste() {
1369   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1370   frame_->executeCommand(WebString::fromUTF8("Paste"), GetFocusedElement());
1371 }
1372
1373 void RenderFrameImpl::OnPasteAndMatchStyle() {
1374   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1375   frame_->executeCommand(
1376       WebString::fromUTF8("PasteAndMatchStyle"), GetFocusedElement());
1377 }
1378
1379 #if defined(OS_MACOSX)
1380 void RenderFrameImpl::OnCopyToFindPboard() {
1381   // Since the find pasteboard supports only plain text, this can be simpler
1382   // than the |OnCopy()| case.
1383   if (frame_->hasSelection()) {
1384     base::string16 selection = frame_->selectionAsText();
1385     RenderThread::Get()->Send(
1386         new ClipboardHostMsg_FindPboardWriteStringAsync(selection));
1387   }
1388 }
1389 #endif
1390
1391 void RenderFrameImpl::OnDelete() {
1392   frame_->executeCommand(WebString::fromUTF8("Delete"), GetFocusedElement());
1393 }
1394
1395 void RenderFrameImpl::OnSelectAll() {
1396   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1397   frame_->executeCommand(WebString::fromUTF8("SelectAll"), GetFocusedElement());
1398 }
1399
1400 void RenderFrameImpl::OnSelectRange(const gfx::Point& base,
1401                                     const gfx::Point& extent) {
1402   // This IPC is dispatched by RenderWidgetHost, so use its routing id.
1403   Send(new InputHostMsg_SelectRange_ACK(GetRenderWidget()->routing_id()));
1404
1405   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1406   frame_->selectRange(base, extent);
1407 }
1408
1409 void RenderFrameImpl::OnAdjustSelectionByCharacterOffset(int start_adjust,
1410                                                          int end_adjust) {
1411   size_t start, length;
1412   if (!GetRenderWidget()->webwidget()->caretOrSelectionRange(
1413       &start, &length)) {
1414     return;
1415   }
1416
1417   // Sanity checks to disallow empty and out of range selections.
1418   if (start_adjust - end_adjust > static_cast<int>(length)
1419       || static_cast<int>(start) + start_adjust < 0) {
1420     return;
1421   }
1422
1423   // A negative adjust amount moves the selection towards the beginning of
1424   // the document, a positive amount moves the selection towards the end of
1425   // the document.
1426   start += start_adjust;
1427   length += end_adjust - start_adjust;
1428
1429   frame_->selectRange(WebRange::fromDocumentRange(frame_, start, length));
1430 }
1431
1432 void RenderFrameImpl::OnUnselect() {
1433   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1434   frame_->executeCommand(WebString::fromUTF8("Unselect"), GetFocusedElement());
1435 }
1436
1437 void RenderFrameImpl::OnMoveRangeSelectionExtent(const gfx::Point& point) {
1438   // This IPC is dispatched by RenderWidgetHost, so use its routing id.
1439   Send(new InputHostMsg_MoveRangeSelectionExtent_ACK(
1440       GetRenderWidget()->routing_id()));
1441
1442   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1443   frame_->moveRangeSelectionExtent(point);
1444 }
1445
1446 void RenderFrameImpl::OnReplace(const base::string16& text) {
1447   if (!frame_->hasSelection())
1448     frame_->selectWordAroundCaret();
1449
1450   frame_->replaceSelection(text);
1451 }
1452
1453 void RenderFrameImpl::OnReplaceMisspelling(const base::string16& text) {
1454   if (!frame_->hasSelection())
1455     return;
1456
1457   frame_->replaceMisspelledRange(text);
1458 }
1459
1460 void RenderFrameImpl::OnCSSInsertRequest(const std::string& css) {
1461   frame_->document().insertStyleSheet(WebString::fromUTF8(css));
1462 }
1463
1464 void RenderFrameImpl::OnAddMessageToConsole(ConsoleMessageLevel level,
1465                                             const std::string& message) {
1466   AddMessageToConsole(level, message);
1467 }
1468
1469 void RenderFrameImpl::OnJavaScriptExecuteRequest(
1470     const base::string16& jscript,
1471     int id,
1472     bool notify_result) {
1473   TRACE_EVENT_INSTANT0("test_tracing", "OnJavaScriptExecuteRequest",
1474                        TRACE_EVENT_SCOPE_THREAD);
1475
1476   v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
1477   v8::Local<v8::Value> result =
1478       frame_->executeScriptAndReturnValue(WebScriptSource(jscript));
1479
1480   HandleJavascriptExecutionResult(jscript, id, notify_result, result);
1481 }
1482
1483 void RenderFrameImpl::OnJavaScriptExecuteRequestForTests(
1484     const base::string16& jscript,
1485     int id,
1486     bool notify_result,
1487     bool has_user_gesture) {
1488   TRACE_EVENT_INSTANT0("test_tracing", "OnJavaScriptExecuteRequestForTests",
1489                        TRACE_EVENT_SCOPE_THREAD);
1490
1491   // A bunch of tests expect to run code in the context of a user gesture, which
1492   // can grant additional privileges (e.g. the ability to create popups).
1493   scoped_ptr<blink::WebScopedUserGesture> gesture(
1494       has_user_gesture ? new blink::WebScopedUserGesture : nullptr);
1495   v8::HandleScope handle_scope(blink::mainThreadIsolate());
1496   v8::Local<v8::Value> result =
1497       frame_->executeScriptAndReturnValue(WebScriptSource(jscript));
1498
1499   HandleJavascriptExecutionResult(jscript, id, notify_result, result);
1500 }
1501
1502 void RenderFrameImpl::OnJavaScriptExecuteRequestInIsolatedWorld(
1503     const base::string16& jscript,
1504     int id,
1505     bool notify_result,
1506     int world_id) {
1507   TRACE_EVENT_INSTANT0("test_tracing",
1508                        "OnJavaScriptExecuteRequestInIsolatedWorld",
1509                        TRACE_EVENT_SCOPE_THREAD);
1510
1511   if (world_id <= ISOLATED_WORLD_ID_GLOBAL ||
1512       world_id > ISOLATED_WORLD_ID_MAX) {
1513     // Return if the world_id is not valid. world_id is passed as a plain int
1514     // over IPC and needs to be verified here, in the IPC endpoint.
1515     NOTREACHED();
1516     return;
1517   }
1518
1519   v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
1520   WebScriptSource script = WebScriptSource(jscript);
1521   JavaScriptIsolatedWorldRequest* request = new JavaScriptIsolatedWorldRequest(
1522       id, notify_result, routing_id_, weak_factory_.GetWeakPtr());
1523   frame_->requestExecuteScriptInIsolatedWorld(world_id, &script, 1, 0, false,
1524                                               request);
1525 }
1526
1527 RenderFrameImpl::JavaScriptIsolatedWorldRequest::JavaScriptIsolatedWorldRequest(
1528     int id,
1529     bool notify_result,
1530     int routing_id,
1531     base::WeakPtr<RenderFrameImpl> render_frame_impl)
1532     : id_(id),
1533       notify_result_(notify_result),
1534       routing_id_(routing_id),
1535       render_frame_impl_(render_frame_impl) {
1536 }
1537
1538 RenderFrameImpl::JavaScriptIsolatedWorldRequest::
1539     ~JavaScriptIsolatedWorldRequest() {
1540 }
1541
1542 void RenderFrameImpl::JavaScriptIsolatedWorldRequest::completed(
1543     const blink::WebVector<v8::Local<v8::Value>>& result) {
1544   if (!render_frame_impl_.get()) {
1545     return;
1546   }
1547
1548   if (notify_result_) {
1549     base::ListValue list;
1550     if (!result.isEmpty()) {
1551       // It's safe to always use the main world context when converting
1552       // here. V8ValueConverterImpl shouldn't actually care about the
1553       // context scope, and it switches to v8::Object's creation context
1554       // when encountered. (from extensions/renderer/script_injection.cc)
1555       v8::Local<v8::Context> context =
1556           render_frame_impl_.get()->frame_->mainWorldScriptContext();
1557       v8::Context::Scope context_scope(context);
1558       V8ValueConverterImpl converter;
1559       converter.SetDateAllowed(true);
1560       converter.SetRegExpAllowed(true);
1561       for (const auto& value : result) {
1562         scoped_ptr<base::Value> result_value(
1563             converter.FromV8Value(value, context));
1564         list.Append(result_value ? result_value.Pass()
1565                                  : base::Value::CreateNullValue());
1566       }
1567     } else {
1568       list.Set(0, base::Value::CreateNullValue());
1569     }
1570     render_frame_impl_.get()->Send(
1571         new FrameHostMsg_JavaScriptExecuteResponse(routing_id_, id_, list));
1572   }
1573
1574   delete this;
1575 }
1576
1577 void RenderFrameImpl::HandleJavascriptExecutionResult(
1578     const base::string16& jscript,
1579     int id,
1580     bool notify_result,
1581     v8::Local<v8::Value> result) {
1582   if (notify_result) {
1583     base::ListValue list;
1584     if (!result.IsEmpty()) {
1585       v8::Local<v8::Context> context = frame_->mainWorldScriptContext();
1586       v8::Context::Scope context_scope(context);
1587       V8ValueConverterImpl converter;
1588       converter.SetDateAllowed(true);
1589       converter.SetRegExpAllowed(true);
1590       scoped_ptr<base::Value> result_value(
1591           converter.FromV8Value(result, context));
1592       list.Set(0, result_value ? result_value.Pass()
1593                                : base::Value::CreateNullValue());
1594     } else {
1595       list.Set(0, base::Value::CreateNullValue());
1596     }
1597     Send(new FrameHostMsg_JavaScriptExecuteResponse(routing_id_, id, list));
1598   }
1599 }
1600
1601 void RenderFrameImpl::OnVisualStateRequest(uint64 id) {
1602   GetRenderWidget()->QueueMessage(
1603       new FrameHostMsg_VisualStateResponse(routing_id_, id),
1604       MESSAGE_DELIVERY_POLICY_WITH_VISUAL_STATE);
1605 }
1606
1607 void RenderFrameImpl::OnSetEditableSelectionOffsets(int start, int end) {
1608   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1609   if (!GetRenderWidget()->ShouldHandleImeEvent())
1610     return;
1611   ImeEventGuard guard(GetRenderWidget());
1612   frame_->setEditableSelectionOffsets(start, end);
1613 }
1614
1615 void RenderFrameImpl::OnSetCompositionFromExistingText(
1616     int start, int end,
1617     const std::vector<blink::WebCompositionUnderline>& underlines) {
1618   if (!GetRenderWidget()->ShouldHandleImeEvent())
1619     return;
1620   ImeEventGuard guard(GetRenderWidget());
1621   frame_->setCompositionFromExistingText(start, end, underlines);
1622 }
1623
1624 void RenderFrameImpl::OnExecuteNoValueEditCommand(const std::string& name) {
1625   frame_->executeCommand(WebString::fromUTF8(name), GetFocusedElement());
1626 }
1627
1628 void RenderFrameImpl::OnExtendSelectionAndDelete(int before, int after) {
1629   if (!GetRenderWidget()->ShouldHandleImeEvent())
1630     return;
1631
1632   DCHECK(!WebUserGestureIndicator::isProcessingUserGesture());
1633
1634   ImeEventGuard guard(GetRenderWidget());
1635   blink::WebScopedUserGesture gesture_indicator;
1636   frame_->extendSelectionAndDelete(before, after);
1637 }
1638
1639 void RenderFrameImpl::OnSetAccessibilityMode(AccessibilityMode new_mode) {
1640   if (accessibility_mode_ == new_mode)
1641     return;
1642   accessibility_mode_ = new_mode;
1643   if (renderer_accessibility_) {
1644     // Note: this isn't called automatically by the destructor because
1645     // there'd be no point in calling it in frame teardown, only if there's
1646     // an accessibility mode change but the frame is persisting.
1647     renderer_accessibility_->DisableAccessibility();
1648
1649     delete renderer_accessibility_;
1650     renderer_accessibility_ = NULL;
1651   }
1652   if (accessibility_mode_ == AccessibilityModeOff)
1653     return;
1654
1655   if (accessibility_mode_ & AccessibilityModeFlagFullTree)
1656     renderer_accessibility_ = new RendererAccessibility(this);
1657 }
1658
1659 void RenderFrameImpl::OnSnapshotAccessibilityTree(int callback_id) {
1660   ui::AXTreeUpdate<AXContentNodeData> response;
1661   RendererAccessibility::SnapshotAccessibilityTree(this, &response);
1662   Send(new AccessibilityHostMsg_SnapshotResponse(
1663       routing_id_, callback_id, response));
1664 }
1665
1666 void RenderFrameImpl::OnUpdateOpener(int opener_routing_id) {
1667   WebFrame* opener = ResolveOpener(opener_routing_id, nullptr);
1668   frame_->setOpener(opener);
1669 }
1670
1671 void RenderFrameImpl::OnDidUpdateSandboxFlags(blink::WebSandboxFlags flags) {
1672   frame_->setFrameOwnerSandboxFlags(flags);
1673 }
1674
1675 void RenderFrameImpl::OnTextTrackSettingsChanged(
1676     const FrameMsg_TextTrackSettings_Params& params) {
1677   DCHECK(!frame_->parent());
1678   if (!render_view_->webview())
1679     return;
1680
1681   if (params.text_tracks_enabled) {
1682       render_view_->webview()->settings()->setTextTrackKindUserPreference(
1683           WebSettings::TextTrackKindUserPreference::Captions);
1684   } else {
1685       render_view_->webview()->settings()->setTextTrackKindUserPreference(
1686           WebSettings::TextTrackKindUserPreference::Default);
1687   }
1688   render_view_->webview()->settings()->setTextTrackBackgroundColor(
1689       WebString::fromUTF8(params.text_track_background_color));
1690   render_view_->webview()->settings()->setTextTrackFontFamily(
1691       WebString::fromUTF8(params.text_track_font_family));
1692   render_view_->webview()->settings()->setTextTrackFontStyle(
1693       WebString::fromUTF8(params.text_track_font_style));
1694   render_view_->webview()->settings()->setTextTrackFontVariant(
1695       WebString::fromUTF8(params.text_track_font_variant));
1696   render_view_->webview()->settings()->setTextTrackTextColor(
1697       WebString::fromUTF8(params.text_track_text_color));
1698   render_view_->webview()->settings()->setTextTrackTextShadow(
1699       WebString::fromUTF8(params.text_track_text_shadow));
1700   render_view_->webview()->settings()->setTextTrackTextSize(
1701       WebString::fromUTF8(params.text_track_text_size));
1702 }
1703
1704 void RenderFrameImpl::OnPostMessageEvent(
1705     const FrameMsg_PostMessage_Params& params) {
1706   // Find the source frame if it exists.
1707   WebFrame* source_frame = NULL;
1708   if (params.source_routing_id != MSG_ROUTING_NONE) {
1709     RenderFrameProxy* source_proxy =
1710         RenderFrameProxy::FromRoutingID(params.source_routing_id);
1711     if (source_proxy) {
1712       // Currently, navigating a top-level frame cross-process does not swap
1713       // the WebLocalFrame for a WebRemoteFrame in the frame tree, and the
1714       // WebRemoteFrame will not have an associated blink::Frame. If this is
1715       // the case for |source_proxy|, use the corresponding (swapped-out)
1716       // WebLocalFrame instead, so that event.source for this message can be
1717       // set and used properly.
1718       if (source_proxy->IsMainFrameDetachedFromTree())
1719         source_frame = source_proxy->render_view()->webview()->mainFrame();
1720       else
1721         source_frame = source_proxy->web_frame();
1722     }
1723   }
1724
1725   // If the message contained MessagePorts, create the corresponding endpoints.
1726   blink::WebMessagePortChannelArray channels =
1727       WebMessagePortChannelImpl::CreatePorts(
1728           params.message_ports, params.new_routing_ids,
1729           base::ThreadTaskRunnerHandle::Get().get());
1730
1731   WebSerializedScriptValue serialized_script_value;
1732   if (params.is_data_raw_string) {
1733     v8::HandleScope handle_scope(blink::mainThreadIsolate());
1734     v8::Local<v8::Context> context = frame_->mainWorldScriptContext();
1735     v8::Context::Scope context_scope(context);
1736     V8ValueConverterImpl converter;
1737     converter.SetDateAllowed(true);
1738     converter.SetRegExpAllowed(true);
1739     scoped_ptr<base::Value> value(new base::StringValue(params.data));
1740     v8::Local<v8::Value> result_value = converter.ToV8Value(value.get(),
1741                                                              context);
1742     serialized_script_value = WebSerializedScriptValue::serialize(result_value);
1743   } else {
1744     serialized_script_value = WebSerializedScriptValue::fromString(params.data);
1745   }
1746
1747   // Create an event with the message.  The next-to-last parameter to
1748   // initMessageEvent is the last event ID, which is not used with postMessage.
1749   WebDOMEvent event = frame_->document().createEvent("MessageEvent");
1750   WebDOMMessageEvent msg_event = event.to<WebDOMMessageEvent>();
1751   msg_event.initMessageEvent("message",
1752                              // |canBubble| and |cancellable| are always false
1753                              false, false,
1754                              serialized_script_value,
1755                              params.source_origin, source_frame,
1756                              frame_->document(), "", channels);
1757
1758   // We must pass in the target_origin to do the security check on this side,
1759   // since it may have changed since the original postMessage call was made.
1760   WebSecurityOrigin target_origin;
1761   if (!params.target_origin.empty()) {
1762     target_origin =
1763         WebSecurityOrigin::createFromString(WebString(params.target_origin));
1764   }
1765   frame_->dispatchMessageEventWithOriginCheck(target_origin, msg_event);
1766 }
1767
1768 #if defined(OS_ANDROID)
1769 void RenderFrameImpl::OnSelectPopupMenuItems(
1770     bool canceled,
1771     const std::vector<int>& selected_indices) {
1772   // It is possible to receive more than one of these calls if the user presses
1773   // a select faster than it takes for the show-select-popup IPC message to make
1774   // it to the browser UI thread. Ignore the extra-messages.
1775   // TODO(jcivelli): http:/b/5793321 Implement a better fix, as detailed in bug.
1776   if (!external_popup_menu_)
1777     return;
1778
1779   external_popup_menu_->DidSelectItems(canceled, selected_indices);
1780   external_popup_menu_.reset();
1781 }
1782 #endif
1783
1784 #if defined(OS_MACOSX)
1785 void RenderFrameImpl::OnSelectPopupMenuItem(int selected_index) {
1786   if (external_popup_menu_ == NULL)
1787     return;
1788   external_popup_menu_->DidSelectItem(selected_index);
1789   external_popup_menu_.reset();
1790 }
1791 #endif
1792
1793 void RenderFrameImpl::OnReload(bool ignore_cache) {
1794   frame_->reload(ignore_cache);
1795 }
1796
1797 void RenderFrameImpl::OnTextSurroundingSelectionRequest(size_t max_length) {
1798   blink::WebSurroundingText surroundingText;
1799   surroundingText.initialize(frame_->selectionRange(), max_length);
1800
1801   if (surroundingText.isNull()) {
1802     // |surroundingText| might not be correctly initialized, for example if
1803     // |frame_->selectionRange().isNull()|, in other words, if there was no
1804     // selection.
1805     Send(new FrameHostMsg_TextSurroundingSelectionResponse(
1806         routing_id_, base::string16(), 0, 0));
1807     return;
1808   }
1809
1810   Send(new FrameHostMsg_TextSurroundingSelectionResponse(
1811       routing_id_,
1812       surroundingText.textContent(),
1813       surroundingText.startOffsetInTextContent(),
1814       surroundingText.endOffsetInTextContent()));
1815 }
1816
1817 bool RenderFrameImpl::RunJavaScriptMessage(JavaScriptMessageType type,
1818                                            const base::string16& message,
1819                                            const base::string16& default_value,
1820                                            const GURL& frame_url,
1821                                            base::string16* result) {
1822   // Don't allow further dialogs if we are waiting to swap out, since the
1823   // PageGroupLoadDeferrer in our stack prevents it.
1824   if (render_view()->suppress_dialogs_until_swap_out_)
1825     return false;
1826
1827   bool success = false;
1828   base::string16 result_temp;
1829   if (!result)
1830     result = &result_temp;
1831
1832   render_view()->SendAndRunNestedMessageLoop(
1833       new FrameHostMsg_RunJavaScriptMessage(
1834         routing_id_, message, default_value, frame_url, type, &success,
1835         result));
1836   return success;
1837 }
1838
1839 void RenderFrameImpl::LoadNavigationErrorPage(
1840     const WebURLRequest& failed_request,
1841     const WebURLError& error,
1842     bool replace) {
1843   std::string error_html;
1844   GetContentClient()->renderer()->GetNavigationErrorStrings(
1845       render_view(), frame_, failed_request, error, &error_html, NULL);
1846
1847   frame_->loadHTMLString(error_html,
1848                          GURL(kUnreachableWebDataURL),
1849                          error.unreachableURL,
1850                          replace);
1851 }
1852
1853 void RenderFrameImpl::DidCommitCompositorFrame() {
1854   if (BrowserPluginManager::Get())
1855     BrowserPluginManager::Get()->DidCommitCompositorFrame(GetRoutingID());
1856   FOR_EACH_OBSERVER(
1857       RenderFrameObserver, observers_, DidCommitCompositorFrame());
1858 }
1859
1860 RenderView* RenderFrameImpl::GetRenderView() {
1861   return render_view_.get();
1862 }
1863
1864 int RenderFrameImpl::GetRoutingID() {
1865   return routing_id_;
1866 }
1867
1868 blink::WebLocalFrame* RenderFrameImpl::GetWebFrame() {
1869   DCHECK(frame_);
1870   return frame_;
1871 }
1872
1873 WebElement RenderFrameImpl::GetFocusedElement() const {
1874   WebDocument doc = frame_->document();
1875   if (!doc.isNull())
1876     return doc.focusedElement();
1877
1878   return WebElement();
1879 }
1880
1881 WebPreferences& RenderFrameImpl::GetWebkitPreferences() {
1882   return render_view_->GetWebkitPreferences();
1883 }
1884
1885 int RenderFrameImpl::ShowContextMenu(ContextMenuClient* client,
1886                                      const ContextMenuParams& params) {
1887   DCHECK(client);  // A null client means "internal" when we issue callbacks.
1888   ContextMenuParams our_params(params);
1889   our_params.custom_context.request_id = pending_context_menus_.Add(client);
1890   Send(new FrameHostMsg_ContextMenu(routing_id_, our_params));
1891   return our_params.custom_context.request_id;
1892 }
1893
1894 void RenderFrameImpl::CancelContextMenu(int request_id) {
1895   DCHECK(pending_context_menus_.Lookup(request_id));
1896   pending_context_menus_.Remove(request_id);
1897 }
1898
1899 blink::WebNode RenderFrameImpl::GetContextMenuNode() const {
1900   return context_menu_node_;
1901 }
1902
1903 blink::WebPlugin* RenderFrameImpl::CreatePlugin(
1904     blink::WebFrame* frame,
1905     const WebPluginInfo& info,
1906     const blink::WebPluginParams& params,
1907     scoped_ptr<content::PluginInstanceThrottler> throttler) {
1908   DCHECK_EQ(frame_, frame);
1909 #if defined(ENABLE_PLUGINS)
1910   if (info.type == WebPluginInfo::PLUGIN_TYPE_BROWSER_PLUGIN) {
1911     return BrowserPluginManager::Get()->CreateBrowserPlugin(
1912         this, GetContentClient()
1913                   ->renderer()
1914                   ->CreateBrowserPluginDelegate(this, params.mimeType.utf8(),
1915                                                 GURL(params.url))
1916                   ->GetWeakPtr());
1917   }
1918
1919   bool pepper_plugin_was_registered = false;
1920   scoped_refptr<PluginModule> pepper_module(PluginModule::Create(
1921       this, info, &pepper_plugin_was_registered));
1922   if (pepper_plugin_was_registered) {
1923     if (pepper_module.get()) {
1924       return new PepperWebPluginImpl(
1925           pepper_module.get(), params, this,
1926           make_scoped_ptr(
1927               static_cast<PluginInstanceThrottlerImpl*>(throttler.release())));
1928     }
1929   }
1930 #if defined(OS_CHROMEOS)
1931   LOG(WARNING) << "Pepper module/plugin creation failed.";
1932 #else
1933   if (info.type == WebPluginInfo::PLUGIN_TYPE_NPAPI) {
1934     // TODO(jam): change to take RenderFrame.
1935     return new WebPluginImpl(frame, params, info.path, render_view_, this);
1936   }
1937 #endif
1938 #endif
1939   return NULL;
1940 }
1941
1942 void RenderFrameImpl::LoadURLExternally(blink::WebLocalFrame* frame,
1943                                         const blink::WebURLRequest& request,
1944                                         blink::WebNavigationPolicy policy) {
1945   DCHECK(!frame_ || frame_ == frame);
1946   loadURLExternally(frame, request, policy, WebString());
1947 }
1948
1949 void RenderFrameImpl::ExecuteJavaScript(const base::string16& javascript) {
1950   OnJavaScriptExecuteRequest(javascript, 0, false);
1951 }
1952
1953 ServiceRegistry* RenderFrameImpl::GetServiceRegistry() {
1954   return &service_registry_;
1955 }
1956
1957 #if defined(ENABLE_PLUGINS)
1958 void RenderFrameImpl::RegisterPeripheralPlugin(
1959     const GURL& content_origin,
1960     const base::Closure& unthrottle_callback) {
1961   return plugin_power_saver_helper_->RegisterPeripheralPlugin(
1962       content_origin, unthrottle_callback);
1963 }
1964 #endif  // defined(ENABLE_PLUGINS)
1965
1966 bool RenderFrameImpl::IsFTPDirectoryListing() {
1967   WebURLResponseExtraDataImpl* extra_data =
1968       GetExtraDataFromResponse(frame_->dataSource()->response());
1969   return extra_data ? extra_data->is_ftp_directory_listing() : false;
1970 }
1971
1972 void RenderFrameImpl::AttachGuest(int element_instance_id) {
1973   BrowserPluginManager::Get()->Attach(element_instance_id);
1974 }
1975
1976 void RenderFrameImpl::DetachGuest(int element_instance_id) {
1977   BrowserPluginManager::Get()->Detach(element_instance_id);
1978 }
1979
1980 void RenderFrameImpl::SetSelectedText(const base::string16& selection_text,
1981                                       size_t offset,
1982                                       const gfx::Range& range) {
1983   // Use the routing id of Render Widget Host.
1984   Send(new ViewHostMsg_SelectionChanged(GetRenderWidget()->routing_id(),
1985                                         selection_text,
1986                                         offset,
1987                                         range));
1988 }
1989
1990 void RenderFrameImpl::EnsureMojoBuiltinsAreAvailable(
1991     v8::Isolate* isolate,
1992     v8::Local<v8::Context> context) {
1993   gin::ModuleRegistry* registry = gin::ModuleRegistry::From(context);
1994   if (registry->available_modules().count(mojo::js::Core::kModuleName))
1995     return;
1996
1997   v8::HandleScope handle_scope(isolate);
1998   registry->AddBuiltinModule(
1999       isolate, mojo::js::Core::kModuleName, mojo::js::Core::GetModule(isolate));
2000   registry->AddBuiltinModule(isolate,
2001                              mojo::js::Support::kModuleName,
2002                              mojo::js::Support::GetModule(isolate));
2003   registry->AddBuiltinModule(
2004       isolate,
2005       ServiceRegistryJsWrapper::kModuleName,
2006       ServiceRegistryJsWrapper::Create(isolate, &service_registry_).ToV8());
2007 }
2008
2009 void RenderFrameImpl::AddMessageToConsole(ConsoleMessageLevel level,
2010                                           const std::string& message) {
2011   if (devtools_agent_)
2012     devtools_agent_->AddMessageToConsole(level, message);
2013 }
2014
2015 // blink::WebFrameClient implementation ----------------------------------------
2016
2017 blink::WebPlugin* RenderFrameImpl::createPlugin(
2018     blink::WebLocalFrame* frame,
2019     const blink::WebPluginParams& params) {
2020   DCHECK_EQ(frame_, frame);
2021   blink::WebPlugin* plugin = NULL;
2022   if (GetContentClient()->renderer()->OverrideCreatePlugin(
2023           this, frame, params, &plugin)) {
2024     return plugin;
2025   }
2026
2027   if (base::UTF16ToUTF8(base::StringPiece16(params.mimeType)) ==
2028       kBrowserPluginMimeType) {
2029     return BrowserPluginManager::Get()->CreateBrowserPlugin(
2030         this, GetContentClient()
2031                   ->renderer()
2032                   ->CreateBrowserPluginDelegate(this, kBrowserPluginMimeType,
2033                                                 GURL(params.url))
2034                   ->GetWeakPtr());
2035   }
2036
2037 #if defined(ENABLE_PLUGINS)
2038   WebPluginInfo info;
2039   std::string mime_type;
2040   bool found = false;
2041   WebString top_origin = frame->top()->securityOrigin().toString();
2042   Send(new FrameHostMsg_GetPluginInfo(routing_id_, params.url, GURL(top_origin),
2043                                       params.mimeType.utf8(), &found, &info,
2044                                       &mime_type));
2045   if (!found)
2046     return NULL;
2047
2048   WebPluginParams params_to_use = params;
2049   params_to_use.mimeType = WebString::fromUTF8(mime_type);
2050   return CreatePlugin(frame, info, params_to_use, nullptr /* throttler */);
2051 #else
2052   return NULL;
2053 #endif  // defined(ENABLE_PLUGINS)
2054 }
2055
2056 blink::WebMediaPlayer* RenderFrameImpl::createMediaPlayer(
2057     blink::WebLocalFrame* frame,
2058     const blink::WebURL& url,
2059     WebMediaPlayerClient* client,
2060     WebMediaPlayerEncryptedMediaClient* encrypted_client,
2061     WebContentDecryptionModule* initial_cdm) {
2062 #if defined(VIDEO_HOLE)
2063   if (!contains_media_player_) {
2064     render_view_->RegisterVideoHoleFrame(this);
2065     contains_media_player_ = true;
2066   }
2067 #endif  // defined(VIDEO_HOLE)
2068
2069   blink::WebMediaStream web_stream(
2070       blink::WebMediaStreamRegistry::lookupMediaStreamDescriptor(url));
2071   if (!web_stream.isNull())
2072     return CreateWebMediaPlayerForMediaStream(client);
2073
2074   RenderThreadImpl* render_thread = RenderThreadImpl::current();
2075
2076 #if defined(OS_ANDROID) && !defined(ENABLE_MEDIA_PIPELINE_ON_ANDROID)
2077   scoped_refptr<media::AudioRendererSink> audio_renderer_sink;
2078   media::WebMediaPlayerParams::Context3DCB context_3d_cb;
2079 #else
2080   scoped_refptr<media::AudioRendererSink> audio_renderer_sink =
2081       render_thread->GetAudioRendererMixerManager()->CreateInput(routing_id_);
2082   media::WebMediaPlayerParams::Context3DCB context_3d_cb =
2083       base::Bind(&GetSharedMainThreadContext3D);
2084 #endif  // defined(OS_ANDROID) && !defined(ENABLE_MEDIA_PIPELINE_ON_ANDROID)
2085
2086   scoped_refptr<media::MediaLog> media_log(new RenderMediaLog());
2087   media::WebMediaPlayerParams params(
2088       base::Bind(&ContentRendererClient::DeferMediaLoad,
2089                  base::Unretained(GetContentClient()->renderer()),
2090                  static_cast<RenderFrame*>(this), has_played_media_),
2091       audio_renderer_sink, media_log, render_thread->GetMediaThreadTaskRunner(),
2092       render_thread->GetWorkerTaskRunner(),
2093       render_thread->compositor_task_runner(), context_3d_cb,
2094       GetMediaPermission(), initial_cdm);
2095
2096 #if defined(OS_ANDROID) && !defined(ENABLE_MEDIA_PIPELINE_ON_ANDROID)
2097   return CreateAndroidWebMediaPlayer(client, encrypted_client, params);
2098 #else
2099 #if defined(ENABLE_MOJO_MEDIA)
2100   scoped_ptr<media::RendererFactory> media_renderer_factory(
2101       new media::MojoRendererFactory(GetMediaServiceFactory()));
2102 #else
2103   scoped_ptr<media::RendererFactory> media_renderer_factory =
2104       GetContentClient()->renderer()->CreateMediaRendererFactory(
2105           this, render_thread->GetGpuFactories(), media_log);
2106
2107   if (!media_renderer_factory.get()) {
2108     media_renderer_factory.reset(new media::DefaultRendererFactory(
2109         media_log, render_thread->GetGpuFactories(),
2110         *render_thread->GetAudioHardwareConfig()));
2111   }
2112 #endif  // defined(ENABLE_MOJO_MEDIA)
2113
2114   return new media::WebMediaPlayerImpl(
2115       frame, client, encrypted_client, weak_factory_.GetWeakPtr(),
2116       media_renderer_factory.Pass(), GetCdmFactory(), params);
2117 #endif  // defined(OS_ANDROID) && !defined(ENABLE_MEDIA_PIPELINE_ON_ANDROID)
2118 }
2119
2120 blink::WebApplicationCacheHost* RenderFrameImpl::createApplicationCacheHost(
2121     blink::WebLocalFrame* frame,
2122     blink::WebApplicationCacheHostClient* client) {
2123   if (!frame || !frame->view())
2124     return NULL;
2125   DCHECK(!frame_ || frame_ == frame);
2126   return new RendererWebApplicationCacheHostImpl(
2127       RenderViewImpl::FromWebView(frame->view()), client,
2128       RenderThreadImpl::current()->appcache_dispatcher()->backend_proxy());
2129 }
2130
2131 blink::WebWorkerContentSettingsClientProxy*
2132 RenderFrameImpl::createWorkerContentSettingsClientProxy(
2133     blink::WebLocalFrame* frame) {
2134   if (!frame || !frame->view())
2135     return NULL;
2136   DCHECK(!frame_ || frame_ == frame);
2137   return GetContentClient()->renderer()->CreateWorkerContentSettingsClientProxy(
2138       this, frame);
2139 }
2140
2141 WebExternalPopupMenu* RenderFrameImpl::createExternalPopupMenu(
2142     const WebPopupMenuInfo& popup_menu_info,
2143     WebExternalPopupMenuClient* popup_menu_client) {
2144 #if defined(OS_MACOSX) || defined(OS_ANDROID)
2145   // An IPC message is sent to the browser to build and display the actual
2146   // popup. The user could have time to click a different select by the time
2147   // the popup is shown. In that case external_popup_menu_ is non NULL.
2148   // By returning NULL in that case, we instruct Blink to cancel that new
2149   // popup. So from the user perspective, only the first one will show, and
2150   // will have to close the first one before another one can be shown.
2151   if (external_popup_menu_)
2152     return NULL;
2153   external_popup_menu_.reset(
2154       new ExternalPopupMenu(this, popup_menu_info, popup_menu_client));
2155   if (render_view_->screen_metrics_emulator_) {
2156     render_view_->SetExternalPopupOriginAdjustmentsForEmulation(
2157         external_popup_menu_.get(),
2158         render_view_->screen_metrics_emulator_.get());
2159   }
2160   return external_popup_menu_.get();
2161 #else
2162   return NULL;
2163 #endif
2164 }
2165
2166 blink::WebCookieJar* RenderFrameImpl::cookieJar(blink::WebLocalFrame* frame) {
2167   DCHECK(!frame_ || frame_ == frame);
2168   return &cookie_jar_;
2169 }
2170
2171 blink::WebServiceWorkerProvider* RenderFrameImpl::createServiceWorkerProvider(
2172     blink::WebLocalFrame* frame) {
2173   DCHECK(!frame_ || frame_ == frame);
2174   // At this point we should have non-null data source.
2175   DCHECK(frame->dataSource());
2176   if (!ChildThreadImpl::current())
2177     return NULL;  // May be null in some tests.
2178   ServiceWorkerNetworkProvider* provider =
2179       ServiceWorkerNetworkProvider::FromDocumentState(
2180           DocumentState::FromDataSource(frame->dataSource()));
2181   DCHECK(provider);
2182   return new WebServiceWorkerProviderImpl(
2183       ChildThreadImpl::current()->thread_safe_sender(),
2184       provider->context());
2185 }
2186
2187 void RenderFrameImpl::didAccessInitialDocument(blink::WebLocalFrame* frame) {
2188   DCHECK(!frame_ || frame_ == frame);
2189   // If the request hasn't yet committed, notify the browser process that it is
2190   // no longer safe to show the pending URL of the main frame, since a URL spoof
2191   // is now possible. (If the request has committed, the browser already knows.)
2192   if (!frame->parent()) {
2193     DocumentState* document_state =
2194         DocumentState::FromDataSource(frame->dataSource());
2195     NavigationStateImpl* navigation_state =
2196         static_cast<NavigationStateImpl*>(document_state->navigation_state());
2197
2198     if (!navigation_state->request_committed()) {
2199       Send(new FrameHostMsg_DidAccessInitialDocument(routing_id_));
2200     }
2201   }
2202 }
2203
2204 blink::WebFrame* RenderFrameImpl::createChildFrame(
2205     blink::WebLocalFrame* parent,
2206     blink::WebTreeScopeType scope,
2207     const blink::WebString& name,
2208     blink::WebSandboxFlags sandbox_flags) {
2209   // Synchronously notify the browser of a child frame creation to get the
2210   // routing_id for the RenderFrame.
2211   int child_routing_id = MSG_ROUTING_NONE;
2212   Send(new FrameHostMsg_CreateChildFrame(
2213       routing_id_, scope,
2214       base::UTF16ToUTF8(base::StringPiece16(name)), sandbox_flags,
2215       &child_routing_id));
2216
2217   // Allocation of routing id failed, so we can't create a child frame. This can
2218   // happen if this RenderFrameImpl's IPCs are being filtered when in swapped
2219   // out state or synchronous IPC message above has failed.
2220   if (child_routing_id == MSG_ROUTING_NONE) {
2221     NOTREACHED() << "Failed to allocate routing id for child frame.";
2222     return nullptr;
2223   }
2224
2225   // Create the RenderFrame and WebLocalFrame, linking the two.
2226   RenderFrameImpl* child_render_frame = RenderFrameImpl::Create(
2227       render_view_.get(), child_routing_id);
2228   blink::WebLocalFrame* web_frame =
2229       WebLocalFrame::create(scope, child_render_frame);
2230   child_render_frame->SetWebFrame(web_frame);
2231
2232   // Add the frame to the frame tree and initialize it.
2233   parent->appendChild(web_frame);
2234   child_render_frame->Initialize();
2235
2236   return web_frame;
2237 }
2238
2239 void RenderFrameImpl::didChangeOpener(blink::WebFrame* opener) {
2240   // Only active frames are able to disown their opener.
2241   if (!opener && is_swapped_out_)
2242     return;
2243
2244   // Only a local frame should be able to update another frame's opener.
2245   DCHECK(!opener || opener->isWebLocalFrame());
2246
2247   int opener_routing_id = opener ?
2248       RenderFrameImpl::FromWebFrame(opener->toWebLocalFrame())->GetRoutingID() :
2249       MSG_ROUTING_NONE;
2250   Send(new FrameHostMsg_DidChangeOpener(routing_id_, opener_routing_id));
2251 }
2252
2253 void RenderFrameImpl::frameDetached(blink::WebFrame* frame, DetachType type) {
2254   // NOTE: This function is called on the frame that is being detached and not
2255   // the parent frame.  This is different from createChildFrame() which is
2256   // called on the parent frame.
2257   CHECK(!is_detaching_);
2258   DCHECK(!frame_ || frame_ == frame);
2259
2260   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, FrameDetached());
2261   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2262                     FrameDetached(frame));
2263
2264   // We only notify the browser process when the frame is being detached for
2265   // removal. If the frame is being detached for swap, we don't need to do this
2266   // since we are not modifiying the frame tree.
2267   if (type == DetachType::Remove)
2268     Send(new FrameHostMsg_Detach(routing_id_));
2269
2270   // The |is_detaching_| flag disables Send(). FrameHostMsg_Detach must be
2271   // sent before setting |is_detaching_| to true.
2272   is_detaching_ = true;
2273
2274   // Clean up the associated RenderWidget for the frame, if there is one.
2275   if (render_widget_) {
2276     render_widget_->UnregisterRenderFrame(this);
2277     render_widget_->CloseForFrame();
2278   }
2279
2280   // We need to clean up subframes by removing them from the map and deleting
2281   // the RenderFrameImpl.  In contrast, the main frame is owned by its
2282   // containing RenderViewHost (so that they have the same lifetime), so only
2283   // removal from the map is needed and no deletion.
2284   FrameMap::iterator it = g_frame_map.Get().find(frame);
2285   CHECK(it != g_frame_map.Get().end());
2286   CHECK_EQ(it->second, this);
2287   g_frame_map.Get().erase(it);
2288
2289   // Only remove the frame from the renderer's frame tree if the frame is
2290   // being detached for removal. In the case of a swap, the frame needs to
2291   // remain in the tree so WebFrame::swap() can replace it with the new frame.
2292   if (is_subframe_ && type == DetachType::Remove)
2293     frame->parent()->removeChild(frame);
2294
2295   // |frame| is invalid after here.  Be sure to clear frame_ as well, since this
2296   // object may not be deleted immediately and other methods may try to access
2297   // it.
2298   frame->close();
2299   frame_ = nullptr;
2300
2301   delete this;
2302   // Object is invalid after this point.
2303 }
2304
2305 void RenderFrameImpl::frameFocused() {
2306   Send(new FrameHostMsg_FrameFocused(routing_id_));
2307 }
2308
2309 void RenderFrameImpl::willClose(blink::WebFrame* frame) {
2310   DCHECK(!frame_ || frame_ == frame);
2311
2312   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, FrameWillClose());
2313   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2314                     FrameWillClose(frame));
2315 }
2316
2317 void RenderFrameImpl::didChangeName(blink::WebLocalFrame* frame,
2318                                     const blink::WebString& name) {
2319   DCHECK(!frame_ || frame_ == frame);
2320
2321   // TODO(alexmos): According to https://crbug.com/169110, sending window.name
2322   // updates may have performance implications for benchmarks like SunSpider.
2323   // For now, send these updates only for --site-per-process, which needs to
2324   // replicate frame names to frame proxies, and when
2325   // |report_frame_name_changes| is set (used by <webview>).  If needed, this
2326   // can be optimized further by only sending the update if there are any
2327   // remote frames in the frame tree, or delaying and batching up IPCs if
2328   // updates are happening too frequently.
2329   if (SiteIsolationPolicy::AreCrossProcessFramesPossible() ||
2330       render_view_->renderer_preferences_.report_frame_name_changes) {
2331     Send(new FrameHostMsg_DidChangeName(
2332         routing_id_, base::UTF16ToUTF8(base::StringPiece16(name))));
2333   }
2334 }
2335
2336 void RenderFrameImpl::didChangeSandboxFlags(blink::WebFrame* child_frame,
2337                                             blink::WebSandboxFlags flags) {
2338   int frame_routing_id = MSG_ROUTING_NONE;
2339   if (child_frame->isWebRemoteFrame()) {
2340     frame_routing_id =
2341         RenderFrameProxy::FromWebFrame(child_frame)->routing_id();
2342   } else {
2343     frame_routing_id =
2344         RenderFrameImpl::FromWebFrame(child_frame)->GetRoutingID();
2345   }
2346
2347   Send(new FrameHostMsg_DidChangeSandboxFlags(routing_id_, frame_routing_id,
2348                                               flags));
2349 }
2350
2351 void RenderFrameImpl::didMatchCSS(
2352     blink::WebLocalFrame* frame,
2353     const blink::WebVector<blink::WebString>& newly_matching_selectors,
2354     const blink::WebVector<blink::WebString>& stopped_matching_selectors) {
2355   DCHECK(!frame_ || frame_ == frame);
2356
2357   FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
2358                     DidMatchCSS(newly_matching_selectors,
2359                                 stopped_matching_selectors));
2360 }
2361
2362 bool RenderFrameImpl::shouldReportDetailedMessageForSource(
2363     const blink::WebString& source) {
2364   return GetContentClient()->renderer()->ShouldReportDetailedMessageForSource(
2365       source);
2366 }
2367
2368 void RenderFrameImpl::didAddMessageToConsole(
2369     const blink::WebConsoleMessage& message,
2370     const blink::WebString& source_name,
2371     unsigned source_line,
2372     const blink::WebString& stack_trace) {
2373   logging::LogSeverity log_severity = logging::LOG_VERBOSE;
2374   switch (message.level) {
2375     case blink::WebConsoleMessage::LevelDebug:
2376       log_severity = logging::LOG_VERBOSE;
2377       break;
2378     case blink::WebConsoleMessage::LevelLog:
2379     case blink::WebConsoleMessage::LevelInfo:
2380       log_severity = logging::LOG_INFO;
2381       break;
2382     case blink::WebConsoleMessage::LevelWarning:
2383       log_severity = logging::LOG_WARNING;
2384       break;
2385     case blink::WebConsoleMessage::LevelError:
2386       log_severity = logging::LOG_ERROR;
2387       break;
2388     default:
2389       log_severity = logging::LOG_VERBOSE;
2390   }
2391
2392   if (shouldReportDetailedMessageForSource(source_name)) {
2393     FOR_EACH_OBSERVER(
2394         RenderFrameObserver, observers_,
2395         DetailedConsoleMessageAdded(message.text,
2396                                     source_name,
2397                                     stack_trace,
2398                                     source_line,
2399                                     static_cast<int32>(log_severity)));
2400   }
2401
2402   Send(new FrameHostMsg_AddMessageToConsole(routing_id_,
2403                                             static_cast<int32>(log_severity),
2404                                             message.text,
2405                                             static_cast<int32>(source_line),
2406                                             source_name));
2407 }
2408
2409 void RenderFrameImpl::loadURLExternally(
2410     blink::WebLocalFrame* frame,
2411     const blink::WebURLRequest& request,
2412     blink::WebNavigationPolicy policy,
2413     const blink::WebString& suggested_name) {
2414   DCHECK(!frame_ || frame_ == frame);
2415   Referrer referrer(RenderViewImpl::GetReferrerFromRequest(frame, request));
2416   if (policy == blink::WebNavigationPolicyDownload) {
2417     render_view_->Send(new ViewHostMsg_DownloadUrl(render_view_->GetRoutingID(),
2418                                                    GetRoutingID(),
2419                                                    request.url(), referrer,
2420                                                    suggested_name));
2421   } else {
2422     OpenURL(frame, request.url(), referrer, policy);
2423   }
2424 }
2425
2426 blink::WebNavigationPolicy RenderFrameImpl::decidePolicyForNavigation(
2427     const NavigationPolicyInfo& info) {
2428   DCHECK(!frame_ || frame_ == info.frame);
2429   return DecidePolicyForNavigation(this, info);
2430 }
2431
2432 blink::WebHistoryItem RenderFrameImpl::historyItemForNewChildFrame(
2433     blink::WebFrame* frame) {
2434   DCHECK(!frame_ || frame_ == frame);
2435   return render_view_->history_controller()->GetItemForNewChildFrame(this);
2436 }
2437
2438 void RenderFrameImpl::willSendSubmitEvent(blink::WebLocalFrame* frame,
2439                                           const blink::WebFormElement& form) {
2440   DCHECK(!frame_ || frame_ == frame);
2441
2442   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, WillSendSubmitEvent(form));
2443 }
2444
2445 void RenderFrameImpl::willSubmitForm(blink::WebLocalFrame* frame,
2446                                      const blink::WebFormElement& form) {
2447   DCHECK(!frame_ || frame_ == frame);
2448   DocumentState* document_state =
2449       DocumentState::FromDataSource(frame->provisionalDataSource());
2450   NavigationStateImpl* navigation_state =
2451       static_cast<NavigationStateImpl*>(document_state->navigation_state());
2452   InternalDocumentStateData* internal_data =
2453       InternalDocumentStateData::FromDocumentState(document_state);
2454
2455   if (ui::PageTransitionCoreTypeIs(navigation_state->GetTransitionType(),
2456                                    ui::PAGE_TRANSITION_LINK)) {
2457     navigation_state->set_transition_type(ui::PAGE_TRANSITION_FORM_SUBMIT);
2458   }
2459
2460   // Save these to be processed when the ensuing navigation is committed.
2461   WebSearchableFormData web_searchable_form_data(form);
2462   internal_data->set_searchable_form_url(web_searchable_form_data.url());
2463   internal_data->set_searchable_form_encoding(
2464       web_searchable_form_data.encoding().utf8());
2465
2466   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, WillSubmitForm(form));
2467 }
2468
2469 void RenderFrameImpl::didCreateDataSource(blink::WebLocalFrame* frame,
2470                                           blink::WebDataSource* datasource) {
2471   DCHECK(!frame_ || frame_ == frame);
2472
2473   bool content_initiated = !pending_navigation_params_.get();
2474
2475   // Make sure any previous redirect URLs end up in our new data source.
2476   if (pending_navigation_params_.get()) {
2477     for (const auto& i :
2478          pending_navigation_params_->request_params.redirects) {
2479       datasource->appendRedirect(i);
2480     }
2481   }
2482
2483   DocumentState* document_state = DocumentState::FromDataSource(datasource);
2484   if (!document_state) {
2485     document_state = new DocumentState;
2486     datasource->setExtraData(document_state);
2487     if (!content_initiated)
2488       PopulateDocumentStateFromPending(document_state);
2489   }
2490
2491   // Carry over the user agent override flag, if it exists.
2492   blink::WebView* webview = render_view_->webview();
2493   if (content_initiated && webview && webview->mainFrame() &&
2494       webview->mainFrame()->isWebLocalFrame() &&
2495       webview->mainFrame()->dataSource()) {
2496     DocumentState* old_document_state =
2497         DocumentState::FromDataSource(webview->mainFrame()->dataSource());
2498     if (old_document_state) {
2499       InternalDocumentStateData* internal_data =
2500           InternalDocumentStateData::FromDocumentState(document_state);
2501       InternalDocumentStateData* old_internal_data =
2502           InternalDocumentStateData::FromDocumentState(old_document_state);
2503       internal_data->set_is_overriding_user_agent(
2504           old_internal_data->is_overriding_user_agent());
2505     }
2506   }
2507
2508   // The rest of RenderView assumes that a WebDataSource will always have a
2509   // non-null NavigationState.
2510   if (content_initiated) {
2511     document_state->set_navigation_state(
2512         NavigationStateImpl::CreateContentInitiated());
2513   } else {
2514     document_state->set_navigation_state(CreateNavigationStateFromPending());
2515     pending_navigation_params_.reset();
2516   }
2517
2518   // DocumentState::referred_by_prefetcher_ is true if we are
2519   // navigating from a page that used prefetching using a link on that
2520   // page.  We are early enough in the request process here that we
2521   // can still see the DocumentState of the previous page and set
2522   // this value appropriately.
2523   // TODO(gavinp): catch the important case of navigation in a new
2524   // renderer process.
2525   if (webview) {
2526     if (WebFrame* old_frame = webview->mainFrame()) {
2527       const WebURLRequest& original_request = datasource->originalRequest();
2528       const GURL referrer(
2529           original_request.httpHeaderField(WebString::fromUTF8("Referer")));
2530       if (!referrer.is_empty() && old_frame->isWebLocalFrame() &&
2531           DocumentState::FromDataSource(old_frame->dataSource())
2532               ->was_prefetcher()) {
2533         for (; old_frame; old_frame = old_frame->traverseNext(false)) {
2534           WebDataSource* old_frame_datasource = old_frame->dataSource();
2535           if (old_frame_datasource &&
2536               referrer == GURL(old_frame_datasource->request().url())) {
2537             document_state->set_was_referred_by_prefetcher(true);
2538             break;
2539           }
2540         }
2541       }
2542     }
2543   }
2544
2545   if (content_initiated) {
2546     const WebURLRequest& request = datasource->request();
2547     switch (request.cachePolicy()) {
2548       case WebURLRequest::UseProtocolCachePolicy:  // normal load.
2549         document_state->set_load_type(DocumentState::LINK_LOAD_NORMAL);
2550         break;
2551       case WebURLRequest::ReloadIgnoringCacheData:  // reload.
2552       case WebURLRequest::ReloadBypassingCache:     // end-to-end reload.
2553         document_state->set_load_type(DocumentState::LINK_LOAD_RELOAD);
2554         break;
2555       case WebURLRequest::ReturnCacheDataElseLoad:  // allow stale data.
2556         document_state->set_load_type(DocumentState::LINK_LOAD_CACHE_STALE_OK);
2557         break;
2558       case WebURLRequest::ReturnCacheDataDontLoad:  // Don't re-post.
2559         document_state->set_load_type(DocumentState::LINK_LOAD_CACHE_ONLY);
2560         break;
2561       default:
2562         NOTREACHED();
2563     }
2564   }
2565
2566   // Create the serviceworker's per-document network observing object if it
2567   // does not exist (When navigation happens within a page, the provider already
2568   // exists).
2569   if (!ServiceWorkerNetworkProvider::FromDocumentState(
2570           DocumentState::FromDataSource(datasource))) {
2571     ServiceWorkerProviderType provider_type =
2572         SERVICE_WORKER_PROVIDER_FOR_WINDOW;
2573     if ((frame->effectiveSandboxFlags() & blink::WebSandboxFlags::Origin) ==
2574         blink::WebSandboxFlags::Origin) {
2575       provider_type = SERVICE_WORKER_PROVIDER_FOR_SANDBOXED_FRAME;
2576     }
2577     scoped_ptr<ServiceWorkerNetworkProvider> network_provider(
2578         new ServiceWorkerNetworkProvider(routing_id_, provider_type));
2579     ServiceWorkerNetworkProvider::AttachToDocumentState(
2580         DocumentState::FromDataSource(datasource),
2581         network_provider.Pass());
2582   }
2583 }
2584
2585 void RenderFrameImpl::didStartProvisionalLoad(blink::WebLocalFrame* frame,
2586                                               double triggering_event_time) {
2587   DCHECK(!frame_ || frame_ == frame);
2588   WebDataSource* ds = frame->provisionalDataSource();
2589
2590   // In fast/loader/stop-provisional-loads.html, we abort the load before this
2591   // callback is invoked.
2592   if (!ds)
2593     return;
2594
2595   TRACE_EVENT2("navigation", "RenderFrameImpl::didStartProvisionalLoad",
2596                "id", routing_id_, "url", ds->request().url().string().utf8());
2597   DocumentState* document_state = DocumentState::FromDataSource(ds);
2598
2599   // We should only navigate to swappedout:// when is_swapped_out_ is true.
2600   CHECK_IMPLIES(ds->request().url() == GURL(kSwappedOutURL), is_swapped_out_)
2601       << "Heard swappedout:// when not swapped out.";
2602
2603   // Update the request time if WebKit has better knowledge of it.
2604   if (document_state->request_time().is_null() &&
2605           triggering_event_time != 0.0) {
2606     document_state->set_request_time(Time::FromDoubleT(triggering_event_time));
2607   }
2608
2609   // Start time is only set after request time.
2610   document_state->set_start_load_time(Time::Now());
2611
2612   bool is_top_most = !frame->parent();
2613   if (is_top_most) {
2614     render_view_->set_navigation_gesture(
2615         WebUserGestureIndicator::isProcessingUserGesture() ?
2616             NavigationGestureUser : NavigationGestureAuto);
2617   } else if (ds->replacesCurrentHistoryItem()) {
2618     // Subframe navigations that don't add session history items must be
2619     // marked with AUTO_SUBFRAME. See also didFailProvisionalLoad for how we
2620     // handle loading of error pages.
2621     static_cast<NavigationStateImpl*>(document_state->navigation_state())
2622         ->set_transition_type(ui::PAGE_TRANSITION_AUTO_SUBFRAME);
2623   }
2624
2625   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2626                     DidStartProvisionalLoad(frame));
2627   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidStartProvisionalLoad());
2628
2629   Send(new FrameHostMsg_DidStartProvisionalLoadForFrame(
2630        routing_id_, ds->request().url()));
2631 }
2632
2633 void RenderFrameImpl::didReceiveServerRedirectForProvisionalLoad(
2634     blink::WebLocalFrame* frame) {
2635   DCHECK(!frame_ || frame_ == frame);
2636   render_view_->history_controller()->RemoveChildrenForRedirect(this);
2637 }
2638
2639 void RenderFrameImpl::didFailProvisionalLoad(
2640     blink::WebLocalFrame* frame,
2641     const blink::WebURLError& error,
2642     blink::WebHistoryCommitType commit_type) {
2643   TRACE_EVENT1("navigation", "RenderFrameImpl::didFailProvisionalLoad",
2644                "id", routing_id_);
2645   DCHECK(!frame_ || frame_ == frame);
2646   WebDataSource* ds = frame->provisionalDataSource();
2647   DCHECK(ds);
2648
2649   const WebURLRequest& failed_request = ds->request();
2650
2651   // Notify the browser that we failed a provisional load with an error.
2652   //
2653   // Note: It is important this notification occur before DidStopLoading so the
2654   //       SSL manager can react to the provisional load failure before being
2655   //       notified the load stopped.
2656   //
2657   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2658                     DidFailProvisionalLoad(frame, error));
2659   FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
2660                     DidFailProvisionalLoad(error));
2661
2662   SendFailedProvisionalLoad(failed_request, error, frame);
2663
2664   if (!ShouldDisplayErrorPageForFailedLoad(error.reason, error.unreachableURL))
2665     return;
2666
2667   // Make sure we never show errors in view source mode.
2668   frame->enableViewSourceMode(false);
2669
2670   DocumentState* document_state = DocumentState::FromDataSource(ds);
2671   NavigationStateImpl* navigation_state =
2672       static_cast<NavigationStateImpl*>(document_state->navigation_state());
2673
2674   // If this is a failed back/forward/reload navigation, then we need to do a
2675   // 'replace' load.  This is necessary to avoid messing up session history.
2676   // Otherwise, we do a normal load, which simulates a 'go' navigation as far
2677   // as session history is concerned.
2678   bool replace = commit_type != blink::WebStandardCommit;
2679
2680   // If we failed on a browser initiated request, then make sure that our error
2681   // page load is regarded as the same browser initiated request.
2682   if (!navigation_state->IsContentInitiated()) {
2683     pending_navigation_params_.reset(new NavigationParams(
2684         navigation_state->common_params(), navigation_state->start_params(),
2685         navigation_state->request_params()));
2686     pending_navigation_params_->request_params.request_time =
2687         document_state->request_time();
2688   }
2689
2690   // Load an error page.
2691   LoadNavigationErrorPage(failed_request, error, replace);
2692 }
2693
2694 void RenderFrameImpl::didCommitProvisionalLoad(
2695     blink::WebLocalFrame* frame,
2696     const blink::WebHistoryItem& item,
2697     blink::WebHistoryCommitType commit_type) {
2698   TRACE_EVENT2("navigation", "RenderFrameImpl::didCommitProvisionalLoad",
2699                "id", routing_id_,
2700                "url", GetLoadingUrl().possibly_invalid_spec());
2701   DCHECK(!frame_ || frame_ == frame);
2702   DocumentState* document_state =
2703       DocumentState::FromDataSource(frame->dataSource());
2704   NavigationStateImpl* navigation_state =
2705       static_cast<NavigationStateImpl*>(document_state->navigation_state());
2706
2707   if (proxy_routing_id_ != MSG_ROUTING_NONE) {
2708     RenderFrameProxy* proxy =
2709         RenderFrameProxy::FromRoutingID(proxy_routing_id_);
2710     CHECK(proxy);
2711     proxy->web_frame()->swap(frame_);
2712     proxy_routing_id_ = MSG_ROUTING_NONE;
2713
2714     // If this is the main frame going from a remote frame to a local frame,
2715     // it needs to set RenderViewImpl's pointer for the main frame to itself
2716     // and ensure RenderWidget is no longer in swapped out mode.
2717     if (!is_subframe_) {
2718       CHECK(!render_view_->main_render_frame_);
2719       render_view_->main_render_frame_ = this;
2720       if (render_view_->is_swapped_out())
2721         render_view_->SetSwappedOut(false);
2722     }
2723   }
2724
2725   // When we perform a new navigation, we need to update the last committed
2726   // session history entry with state for the page we are leaving. Do this
2727   // before updating the HistoryController state.
2728   render_view_->SendUpdateState();
2729
2730   render_view_->history_controller()->UpdateForCommit(
2731       this, item, commit_type, navigation_state->WasWithinSamePage());
2732
2733   InternalDocumentStateData* internal_data =
2734       InternalDocumentStateData::FromDocumentState(document_state);
2735
2736   if (document_state->commit_load_time().is_null())
2737     document_state->set_commit_load_time(Time::Now());
2738
2739   if (internal_data->must_reset_scroll_and_scale_state()) {
2740     render_view_->webview()->resetScrollAndScaleState();
2741     internal_data->set_must_reset_scroll_and_scale_state(false);
2742   }
2743
2744   bool is_new_navigation = commit_type == blink::WebStandardCommit;
2745   if (is_new_navigation) {
2746     // We bump our Page ID to correspond with the new session history entry.
2747     render_view_->page_id_ = render_view_->next_page_id_++;
2748
2749     // Don't update history list values for kSwappedOutURL, since
2750     // we don't want to forget the entry that was there, and since we will
2751     // never come back to kSwappedOutURL.  Note that we have to call
2752     // SendUpdateState and update page_id_ even in this case, so that
2753     // the current entry gets a state update and so that we don't send a
2754     // state update to the wrong entry when we swap back in.
2755     DCHECK_IMPLIES(
2756         navigation_state->common_params().should_replace_current_entry,
2757         render_view_->history_list_length_ > 0);
2758     if (GetLoadingUrl() != GURL(kSwappedOutURL) &&
2759         !navigation_state->common_params().should_replace_current_entry) {
2760       // Advance our offset in session history, applying the length limit.
2761       // There is now no forward history.
2762       render_view_->history_list_offset_++;
2763       if (render_view_->history_list_offset_ >= kMaxSessionHistoryEntries)
2764         render_view_->history_list_offset_ = kMaxSessionHistoryEntries - 1;
2765       render_view_->history_list_length_ =
2766           render_view_->history_list_offset_ + 1;
2767     }
2768   } else {
2769     const RequestNavigationParams& request_params =
2770         navigation_state->request_params();
2771     if (request_params.nav_entry_id != 0 &&
2772         !request_params.intended_as_new_entry) {
2773       // This is a successful session history navigation!
2774       render_view_->page_id_ = request_params.page_id;
2775
2776       render_view_->history_list_offset_ =
2777           request_params.pending_history_list_offset;
2778     }
2779   }
2780
2781   bool sent = Send(
2782       new FrameHostMsg_DidAssignPageId(routing_id_, render_view_->page_id_));
2783   CHECK(sent);  // http://crbug.com/407376
2784
2785   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers_,
2786                     DidCommitProvisionalLoad(frame, is_new_navigation));
2787   FOR_EACH_OBSERVER(
2788       RenderFrameObserver, observers_,
2789       DidCommitProvisionalLoad(is_new_navigation,
2790                                navigation_state->WasWithinSamePage()));
2791
2792   if (!frame->parent()) {  // Only for top frames.
2793     RenderThreadImpl* render_thread_impl = RenderThreadImpl::current();
2794     if (render_thread_impl) {  // Can be NULL in tests.
2795       render_thread_impl->histogram_customizer()->
2796           RenderViewNavigatedToHost(GURL(GetLoadingUrl()).host(),
2797                                     RenderView::GetRenderViewCount());
2798     }
2799   }
2800
2801   // Remember that we've already processed this request, so we don't update
2802   // the session history again.  We do this regardless of whether this is
2803   // a session history navigation, because if we attempted a session history
2804   // navigation without valid HistoryItem state, WebCore will think it is a
2805   // new navigation.
2806   navigation_state->set_request_committed(true);
2807
2808   SendDidCommitProvisionalLoad(frame, commit_type, item);
2809
2810   // Check whether we have new encoding name.
2811   UpdateEncoding(frame, frame->view()->pageEncoding().utf8());
2812 }
2813
2814 void RenderFrameImpl::didCreateNewDocument(blink::WebLocalFrame* frame) {
2815   DCHECK(!frame_ || frame_ == frame);
2816
2817   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidCreateNewDocument());
2818   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2819                     DidCreateNewDocument(frame));
2820 }
2821
2822 void RenderFrameImpl::didClearWindowObject(blink::WebLocalFrame* frame) {
2823   DCHECK(!frame_ || frame_ == frame);
2824
2825   int enabled_bindings = render_view_->GetEnabledBindings();
2826
2827   if (enabled_bindings & BINDINGS_POLICY_WEB_UI)
2828     WebUIExtension::Install(frame);
2829
2830   if (enabled_bindings & BINDINGS_POLICY_DOM_AUTOMATION)
2831     DomAutomationController::Install(this, frame);
2832
2833   if (enabled_bindings & BINDINGS_POLICY_STATS_COLLECTION)
2834     StatsCollectionController::Install(frame);
2835
2836   const base::CommandLine& command_line =
2837       *base::CommandLine::ForCurrentProcess();
2838
2839   if (command_line.HasSwitch(cc::switches::kEnableGpuBenchmarking))
2840     GpuBenchmarking::Install(frame);
2841
2842   if (command_line.HasSwitch(switches::kEnableMemoryBenchmarking))
2843     MemoryBenchmarkingExtension::Install(frame);
2844
2845   if (command_line.HasSwitch(switches::kEnableSkiaBenchmarking))
2846     SkiaBenchmarking::Install(frame);
2847
2848   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2849                     DidClearWindowObject(frame));
2850   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidClearWindowObject());
2851 }
2852
2853 void RenderFrameImpl::didCreateDocumentElement(blink::WebLocalFrame* frame) {
2854   DCHECK(!frame_ || frame_ == frame);
2855
2856   // Notify the browser about non-blank documents loading in the top frame.
2857   GURL url = frame->document().url();
2858   if (url.is_valid() && url.spec() != url::kAboutBlankURL) {
2859     // TODO(nasko): Check if webview()->mainFrame() is the same as the
2860     // frame->tree()->top().
2861     blink::WebFrame* main_frame = render_view_->webview()->mainFrame();
2862     if (frame == main_frame) {
2863       // For now, don't remember plugin zoom values.  We don't want to mix them
2864       // with normal web content (i.e. a fixed layout plugin would usually want
2865       // them different).
2866       render_view_->Send(new ViewHostMsg_DocumentAvailableInMainFrame(
2867           render_view_->GetRoutingID(),
2868           main_frame->document().isPluginDocument()));
2869     }
2870   }
2871
2872   FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
2873                     DidCreateDocumentElement());
2874   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2875                     DidCreateDocumentElement(frame));
2876 }
2877
2878 void RenderFrameImpl::didReceiveTitle(blink::WebLocalFrame* frame,
2879                                       const blink::WebString& title,
2880                                       blink::WebTextDirection direction) {
2881   DCHECK(!frame_ || frame_ == frame);
2882   // Ignore all but top level navigations.
2883   if (!frame->parent()) {
2884     base::string16 title16 = title;
2885     base::trace_event::TraceLog::GetInstance()->UpdateProcessLabel(
2886         routing_id_, base::UTF16ToUTF8(title16));
2887
2888     base::string16 shortened_title = title16.substr(0, kMaxTitleChars);
2889     Send(new FrameHostMsg_UpdateTitle(routing_id_,
2890                                       shortened_title, direction));
2891   }
2892
2893   // Also check whether we have new encoding name.
2894   UpdateEncoding(frame, frame->view()->pageEncoding().utf8());
2895 }
2896
2897 void RenderFrameImpl::didChangeIcon(blink::WebLocalFrame* frame,
2898                                     blink::WebIconURL::Type icon_type) {
2899   DCHECK(!frame_ || frame_ == frame);
2900   // TODO(nasko): Investigate wheather implementation should move here.
2901   render_view_->didChangeIcon(frame, icon_type);
2902 }
2903
2904 void RenderFrameImpl::didFinishDocumentLoad(blink::WebLocalFrame* frame,
2905                                             bool document_is_empty) {
2906   TRACE_EVENT1("navigation", "RenderFrameImpl::didFinishDocumentLoad",
2907                "id", routing_id_);
2908   DCHECK(!frame_ || frame_ == frame);
2909   WebDataSource* ds = frame->dataSource();
2910   DocumentState* document_state = DocumentState::FromDataSource(ds);
2911   document_state->set_finish_document_load_time(Time::Now());
2912
2913   Send(new FrameHostMsg_DidFinishDocumentLoad(routing_id_));
2914
2915   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2916                     DidFinishDocumentLoad(frame));
2917   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidFinishDocumentLoad());
2918
2919   // Check whether we have new encoding name.
2920   UpdateEncoding(frame, frame->view()->pageEncoding().utf8());
2921
2922   // If this is an empty document with an http status code indicating an error,
2923   // we may want to display our own error page, so the user doesn't end up
2924   // with an unexplained blank page.
2925   if (!document_is_empty)
2926     return;
2927
2928   // Do not show error page when DevTools is attached.
2929   RenderFrameImpl* localRoot = this;
2930   while (localRoot->frame_ && localRoot->frame_->parent() &&
2931          localRoot->frame_->parent()->isWebLocalFrame()) {
2932     localRoot = RenderFrameImpl::FromWebFrame(localRoot->frame_->parent());
2933     DCHECK(localRoot);
2934   }
2935   if (localRoot->devtools_agent_ && localRoot->devtools_agent_->IsAttached())
2936     return;
2937
2938   // Display error page instead of a blank page, if appropriate.
2939   std::string error_domain = "http";
2940   InternalDocumentStateData* internal_data =
2941       InternalDocumentStateData::FromDataSource(frame->dataSource());
2942   int http_status_code = internal_data->http_status_code();
2943   if (GetContentClient()->renderer()->HasErrorPage(http_status_code,
2944                                                    &error_domain)) {
2945     WebURLError error;
2946     error.unreachableURL = frame->document().url();
2947     error.domain = WebString::fromUTF8(error_domain);
2948     error.reason = http_status_code;
2949     LoadNavigationErrorPage(frame->dataSource()->request(), error, true);
2950   }
2951 }
2952
2953 void RenderFrameImpl::didHandleOnloadEvents(blink::WebLocalFrame* frame) {
2954   DCHECK(!frame_ || frame_ == frame);
2955   if (!frame->parent()) {
2956     FrameMsg_UILoadMetricsReportType::Value report_type =
2957         static_cast<FrameMsg_UILoadMetricsReportType::Value>(
2958             frame->dataSource()->request().inputPerfMetricReportPolicy());
2959     base::TimeTicks ui_timestamp = base::TimeTicks() +
2960         base::TimeDelta::FromSecondsD(
2961             frame->dataSource()->request().uiStartTime());
2962
2963     Send(new FrameHostMsg_DocumentOnLoadCompleted(
2964         routing_id_, report_type, ui_timestamp));
2965   }
2966 }
2967
2968 void RenderFrameImpl::didFailLoad(blink::WebLocalFrame* frame,
2969                                   const blink::WebURLError& error,
2970                                   blink::WebHistoryCommitType commit_type) {
2971   TRACE_EVENT1("navigation", "RenderFrameImpl::didFailLoad",
2972                "id", routing_id_);
2973   DCHECK(!frame_ || frame_ == frame);
2974   // TODO(nasko): Move implementation here. No state needed.
2975   WebDataSource* ds = frame->dataSource();
2976   DCHECK(ds);
2977
2978   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2979                     DidFailLoad(frame, error));
2980
2981   const WebURLRequest& failed_request = ds->request();
2982   base::string16 error_description;
2983   GetContentClient()->renderer()->GetNavigationErrorStrings(
2984       render_view_.get(),
2985       frame,
2986       failed_request,
2987       error,
2988       NULL,
2989       &error_description);
2990   Send(new FrameHostMsg_DidFailLoadWithError(routing_id_,
2991                                              failed_request.url(),
2992                                              error.reason,
2993                                              error_description,
2994                                              error.wasIgnoredByHandler));
2995 }
2996
2997 void RenderFrameImpl::didFinishLoad(blink::WebLocalFrame* frame) {
2998   TRACE_EVENT1("navigation", "RenderFrameImpl::didFinishLoad",
2999                "id", routing_id_);
3000   DCHECK(!frame_ || frame_ == frame);
3001   WebDataSource* ds = frame->dataSource();
3002   DocumentState* document_state = DocumentState::FromDataSource(ds);
3003   if (document_state->finish_load_time().is_null()) {
3004     if (!frame->parent()) {
3005       TRACE_EVENT_INSTANT0("WebCore", "LoadFinished",
3006                            TRACE_EVENT_SCOPE_PROCESS);
3007     }
3008     document_state->set_finish_load_time(Time::Now());
3009   }
3010
3011   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
3012                     DidFinishLoad(frame));
3013   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidFinishLoad());
3014
3015   // Don't send this message while the frame is swapped out.
3016   if (is_swapped_out())
3017     return;
3018
3019   Send(new FrameHostMsg_DidFinishLoad(routing_id_,
3020                                       ds->request().url()));
3021 }
3022
3023 void RenderFrameImpl::didNavigateWithinPage(blink::WebLocalFrame* frame,
3024     const blink::WebHistoryItem& item,
3025     blink::WebHistoryCommitType commit_type) {
3026   TRACE_EVENT1("navigation", "RenderFrameImpl::didNavigateWithinPage",
3027                "id", routing_id_);
3028   DCHECK(!frame_ || frame_ == frame);
3029   // If this was a reference fragment navigation that we initiated, then we
3030   // could end up having a non-null pending navigation params.  We just need to
3031   // update the ExtraData on the datasource so that others who read the
3032   // ExtraData will get the new NavigationState.  Similarly, if we did not
3033   // initiate this navigation, then we need to take care to reset any pre-
3034   // existing navigation state to a content-initiated navigation state.
3035   // didCreateDataSource conveniently takes care of this for us.
3036   didCreateDataSource(frame, frame->dataSource());
3037
3038   DocumentState* document_state =
3039       DocumentState::FromDataSource(frame->dataSource());
3040   static_cast<NavigationStateImpl*>(document_state->navigation_state())
3041       ->set_was_within_same_page(true);
3042
3043   didCommitProvisionalLoad(frame, item, commit_type);
3044 }
3045
3046 void RenderFrameImpl::didUpdateCurrentHistoryItem(blink::WebLocalFrame* frame) {
3047   DCHECK(!frame_ || frame_ == frame);
3048   // TODO(nasko): Move implementation here. Needed methods:
3049   // * StartNavStateSyncTimerIfNecessary
3050   render_view_->didUpdateCurrentHistoryItem(frame);
3051 }
3052
3053 void RenderFrameImpl::didChangeThemeColor() {
3054   if (frame_->parent())
3055     return;
3056
3057   Send(new FrameHostMsg_DidChangeThemeColor(
3058       routing_id_, frame_->document().themeColor()));
3059 }
3060
3061 void RenderFrameImpl::dispatchLoad() {
3062   Send(new FrameHostMsg_DispatchLoad(routing_id_));
3063 }
3064
3065 void RenderFrameImpl::requestNotificationPermission(
3066     const blink::WebSecurityOrigin& origin,
3067     blink::WebNotificationPermissionCallback* callback) {
3068   if (!notification_permission_dispatcher_) {
3069     notification_permission_dispatcher_ =
3070         new NotificationPermissionDispatcher(this);
3071   }
3072
3073   notification_permission_dispatcher_->RequestPermission(origin, callback);
3074 }
3075
3076 void RenderFrameImpl::didChangeSelection(bool is_empty_selection) {
3077   if (!GetRenderWidget()->handling_input_event() && !handling_select_range_)
3078     return;
3079
3080   if (is_empty_selection)
3081     selection_text_.clear();
3082
3083   // UpdateTextInputState should be called before SyncSelectionIfRequired.
3084   // UpdateTextInputState may send TextInputStateChanged to notify the focus
3085   // was changed, and SyncSelectionIfRequired may send SelectionChanged
3086   // to notify the selection was changed.  Focus change should be notified
3087   // before selection change.
3088   GetRenderWidget()->UpdateTextInputState(
3089       RenderWidget::NO_SHOW_IME, RenderWidget::FROM_NON_IME);
3090   SyncSelectionIfRequired();
3091 }
3092
3093 blink::WebColorChooser* RenderFrameImpl::createColorChooser(
3094     blink::WebColorChooserClient* client,
3095     const blink::WebColor& initial_color,
3096     const blink::WebVector<blink::WebColorSuggestion>& suggestions) {
3097   RendererWebColorChooserImpl* color_chooser =
3098       new RendererWebColorChooserImpl(this, client);
3099   std::vector<ColorSuggestion> color_suggestions;
3100   for (size_t i = 0; i < suggestions.size(); i++) {
3101     color_suggestions.push_back(ColorSuggestion(suggestions[i]));
3102   }
3103   color_chooser->Open(static_cast<SkColor>(initial_color), color_suggestions);
3104   return color_chooser;
3105 }
3106
3107 void RenderFrameImpl::runModalAlertDialog(const blink::WebString& message) {
3108   RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_ALERT,
3109                        message,
3110                        base::string16(),
3111                        frame_->document().url(),
3112                        NULL);
3113 }
3114
3115 bool RenderFrameImpl::runModalConfirmDialog(const blink::WebString& message) {
3116   return RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_CONFIRM,
3117                               message,
3118                               base::string16(),
3119                               frame_->document().url(),
3120                               NULL);
3121 }
3122
3123 bool RenderFrameImpl::runModalPromptDialog(
3124     const blink::WebString& message,
3125     const blink::WebString& default_value,
3126     blink::WebString* actual_value) {
3127   base::string16 result;
3128   bool ok = RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_PROMPT,
3129                                  message,
3130                                  default_value,
3131                                  frame_->document().url(),
3132                                  &result);
3133   if (ok)
3134     actual_value->assign(result);
3135   return ok;
3136 }
3137
3138 bool RenderFrameImpl::runModalBeforeUnloadDialog(
3139     bool is_reload,
3140     const blink::WebString& message) {
3141   // If we are swapping out, we have already run the beforeunload handler.
3142   // TODO(creis): Fix OnSwapOut to clear the frame without running beforeunload
3143   // at all, to avoid running it twice.
3144   if (is_swapped_out_)
3145     return true;
3146
3147   // Don't allow further dialogs if we are waiting to swap out, since the
3148   // PageGroupLoadDeferrer in our stack prevents it.
3149   if (render_view()->suppress_dialogs_until_swap_out_)
3150     return false;
3151
3152   bool success = false;
3153   // This is an ignored return value, but is included so we can accept the same
3154   // response as RunJavaScriptMessage.
3155   base::string16 ignored_result;
3156   render_view()->SendAndRunNestedMessageLoop(
3157       new FrameHostMsg_RunBeforeUnloadConfirm(
3158           routing_id_, frame_->document().url(), message, is_reload,
3159           &success, &ignored_result));
3160   return success;
3161 }
3162
3163 void RenderFrameImpl::showContextMenu(const blink::WebContextMenuData& data) {
3164   ContextMenuParams params = ContextMenuParamsBuilder::Build(data);
3165   params.source_type = GetRenderWidget()->context_menu_source_type();
3166   GetRenderWidget()->OnShowHostContextMenu(&params);
3167   if (GetRenderWidget()->has_host_context_menu_location()) {
3168     params.x = GetRenderWidget()->host_context_menu_location().x();
3169     params.y = GetRenderWidget()->host_context_menu_location().y();
3170   }
3171
3172   // Serializing a GURL longer than kMaxURLChars will fail, so don't do
3173   // it.  We replace it with an empty GURL so the appropriate items are disabled
3174   // in the context menu.
3175   // TODO(jcivelli): http://crbug.com/45160 This prevents us from saving large
3176   //                 data encoded images.  We should have a way to save them.
3177   if (params.src_url.spec().size() > GetMaxURLChars())
3178     params.src_url = GURL();
3179   context_menu_node_ = data.node;
3180
3181 #if defined(OS_ANDROID)
3182   gfx::Rect start_rect;
3183   gfx::Rect end_rect;
3184   GetRenderWidget()->GetSelectionBounds(&start_rect, &end_rect);
3185   params.selection_start = gfx::Point(start_rect.x(), start_rect.bottom());
3186   params.selection_end = gfx::Point(end_rect.right(), end_rect.bottom());
3187 #endif
3188
3189   Send(new FrameHostMsg_ContextMenu(routing_id_, params));
3190 }
3191
3192 void RenderFrameImpl::clearContextMenu() {
3193   context_menu_node_.reset();
3194 }
3195
3196 void RenderFrameImpl::willSendRequest(
3197     blink::WebLocalFrame* frame,
3198     unsigned identifier,
3199     blink::WebURLRequest& request,
3200     const blink::WebURLResponse& redirect_response) {
3201   DCHECK(!frame_ || frame_ == frame);
3202   // The request my be empty during tests.
3203   if (request.url().isEmpty())
3204     return;
3205
3206   // Set the first party for cookies url if it has not been set yet (new
3207   // requests). For redirects, it is updated by WebURLLoaderImpl.
3208   if (request.firstPartyForCookies().isEmpty()) {
3209     if (request.frameType() == blink::WebURLRequest::FrameTypeTopLevel) {
3210       request.setFirstPartyForCookies(request.url());
3211     } else {
3212       // TODO(nasko): When the top-level frame is remote, there is no document.
3213       // This is broken and should be fixed to propagate the first party.
3214       WebFrame* top = frame->top();
3215       if (top->isWebLocalFrame()) {
3216         request.setFirstPartyForCookies(
3217             frame->top()->document().firstPartyForCookies());
3218       }
3219     }
3220   }
3221
3222   WebDataSource* provisional_data_source = frame->provisionalDataSource();
3223   WebDataSource* data_source =
3224       provisional_data_source ? provisional_data_source : frame->dataSource();
3225
3226   DocumentState* document_state = DocumentState::FromDataSource(data_source);
3227   DCHECK(document_state);
3228   InternalDocumentStateData* internal_data =
3229       InternalDocumentStateData::FromDocumentState(document_state);
3230   NavigationStateImpl* navigation_state =
3231       static_cast<NavigationStateImpl*>(document_state->navigation_state());
3232   ui::PageTransition transition_type = navigation_state->GetTransitionType();
3233   if (provisional_data_source && provisional_data_source->isClientRedirect()) {
3234     transition_type = ui::PageTransitionFromInt(
3235         transition_type | ui::PAGE_TRANSITION_CLIENT_REDIRECT);
3236   }
3237
3238   GURL request_url(request.url());
3239   GURL new_url;
3240   if (GetContentClient()->renderer()->WillSendRequest(
3241           frame,
3242           transition_type,
3243           request_url,
3244           request.firstPartyForCookies(),
3245           &new_url)) {
3246     request.setURL(WebURL(new_url));
3247   }
3248
3249   if (internal_data->is_cache_policy_override_set())
3250     request.setCachePolicy(internal_data->cache_policy_override());
3251
3252   // The request's extra data may indicate that we should set a custom user
3253   // agent. This needs to be done here, after WebKit is through with setting the
3254   // user agent on its own. Similarly, it may indicate that we should set an
3255   // X-Requested-With header. This must be done here to avoid breaking CORS
3256   // checks.
3257   // PlzNavigate: there may also be a stream url associated with the request.
3258   WebString custom_user_agent;
3259   WebString requested_with;
3260   scoped_ptr<StreamOverrideParameters> stream_override;
3261   if (request.extraData()) {
3262     RequestExtraData* old_extra_data =
3263         static_cast<RequestExtraData*>(request.extraData());
3264
3265     custom_user_agent = old_extra_data->custom_user_agent();
3266     if (!custom_user_agent.isNull()) {
3267       if (custom_user_agent.isEmpty())
3268         request.clearHTTPHeaderField("User-Agent");
3269       else
3270         request.setHTTPHeaderField("User-Agent", custom_user_agent);
3271     }
3272
3273     requested_with = old_extra_data->requested_with();
3274     if (!requested_with.isNull()) {
3275       if (requested_with.isEmpty())
3276         request.clearHTTPHeaderField("X-Requested-With");
3277       else
3278         request.setHTTPHeaderField("X-Requested-With", requested_with);
3279     }
3280     stream_override = old_extra_data->TakeStreamOverrideOwnership();
3281   }
3282
3283   // Add the default accept header for frame request if it has not been set
3284   // already.
3285   if ((request.frameType() == blink::WebURLRequest::FrameTypeTopLevel ||
3286        request.frameType() == blink::WebURLRequest::FrameTypeNested) &&
3287       request.httpHeaderField(WebString::fromUTF8(kAcceptHeader)).isEmpty()) {
3288     request.setHTTPHeaderField(WebString::fromUTF8(kAcceptHeader),
3289                                WebString::fromUTF8(kDefaultAcceptHeader));
3290   }
3291
3292   // Add an empty HTTP origin header for non GET methods if none is currently
3293   // present.
3294   request.addHTTPOriginIfNeeded(WebString());
3295
3296   // Attach |should_replace_current_entry| state to requests so that, should
3297   // this navigation later require a request transfer, all state is preserved
3298   // when it is re-created in the new process.
3299   bool should_replace_current_entry = false;
3300   if (navigation_state->IsContentInitiated()) {
3301     should_replace_current_entry = data_source->replacesCurrentHistoryItem();
3302   } else {
3303     // If the navigation is browser-initiated, the NavigationState contains the
3304     // correct value instead of the WebDataSource.
3305     //
3306     // TODO(davidben): Avoid this awkward duplication of state. See comment on
3307     // NavigationState::should_replace_current_entry().
3308     should_replace_current_entry =
3309         navigation_state->common_params().should_replace_current_entry;
3310   }
3311
3312   int provider_id = kInvalidServiceWorkerProviderId;
3313   if (request.frameType() == blink::WebURLRequest::FrameTypeTopLevel ||
3314       request.frameType() == blink::WebURLRequest::FrameTypeNested) {
3315     // |provisionalDataSource| may be null in some content::ResourceFetcher
3316     // use cases, we don't hook those requests.
3317     if (frame->provisionalDataSource()) {
3318       ServiceWorkerNetworkProvider* provider =
3319           ServiceWorkerNetworkProvider::FromDocumentState(
3320               DocumentState::FromDataSource(frame->provisionalDataSource()));
3321       provider_id = provider->provider_id();
3322     }
3323   } else if (frame->dataSource()) {
3324     ServiceWorkerNetworkProvider* provider =
3325         ServiceWorkerNetworkProvider::FromDocumentState(
3326             DocumentState::FromDataSource(frame->dataSource()));
3327     provider_id = provider->provider_id();
3328   }
3329
3330   WebFrame* parent = frame->parent();
3331   int parent_routing_id = MSG_ROUTING_NONE;
3332   if (!parent) {
3333     parent_routing_id = -1;
3334   } else if (parent->isWebLocalFrame()) {
3335     parent_routing_id = FromWebFrame(parent)->GetRoutingID();
3336   } else {
3337     parent_routing_id = RenderFrameProxy::FromWebFrame(parent)->routing_id();
3338   }
3339
3340   RequestExtraData* extra_data = new RequestExtraData();
3341   extra_data->set_visibility_state(render_view_->visibilityState());
3342   extra_data->set_custom_user_agent(custom_user_agent);
3343   extra_data->set_requested_with(requested_with);
3344   extra_data->set_render_frame_id(routing_id_);
3345   extra_data->set_is_main_frame(!parent);
3346   extra_data->set_frame_origin(
3347       GURL(frame->document().securityOrigin().toString()));
3348   extra_data->set_parent_is_main_frame(parent && !parent->parent());
3349   extra_data->set_parent_render_frame_id(parent_routing_id);
3350   extra_data->set_allow_download(
3351       navigation_state->common_params().allow_download);
3352   extra_data->set_transition_type(transition_type);
3353   extra_data->set_should_replace_current_entry(should_replace_current_entry);
3354   extra_data->set_transferred_request_child_id(
3355       navigation_state->start_params().transferred_request_child_id);
3356   extra_data->set_transferred_request_request_id(
3357       navigation_state->start_params().transferred_request_request_id);
3358   extra_data->set_service_worker_provider_id(provider_id);
3359   extra_data->set_stream_override(stream_override.Pass());
3360   request.setExtraData(extra_data);
3361
3362   // TODO(creis): Update prefetching to work with out-of-process iframes.
3363   WebFrame* top_frame = frame->top();
3364   if (top_frame && top_frame->isWebLocalFrame()) {
3365     DocumentState* top_document_state =
3366         DocumentState::FromDataSource(top_frame->dataSource());
3367     if (top_document_state) {
3368       // TODO(gavinp): separate out prefetching and prerender field trials
3369       // if the rel=prerender rel type is sticking around.
3370       if (request.requestContext() == WebURLRequest::RequestContextPrefetch)
3371         top_document_state->set_was_prefetcher(true);
3372     }
3373   }
3374
3375   // This is an instance where we embed a copy of the routing id
3376   // into the data portion of the message. This can cause problems if we
3377   // don't register this id on the browser side, since the download manager
3378   // expects to find a RenderViewHost based off the id.
3379   request.setRequestorID(render_view_->GetRoutingID());
3380   request.setHasUserGesture(WebUserGestureIndicator::isProcessingUserGesture());
3381
3382   if (!navigation_state->start_params().extra_headers.empty()) {
3383     for (net::HttpUtil::HeadersIterator i(
3384              navigation_state->start_params().extra_headers.begin(),
3385              navigation_state->start_params().extra_headers.end(), "\n");
3386          i.GetNext();) {
3387       if (base::LowerCaseEqualsASCII(i.name(), "referer")) {
3388         WebString referrer = WebSecurityPolicy::generateReferrerHeader(
3389             blink::WebReferrerPolicyDefault,
3390             request.url(),
3391             WebString::fromUTF8(i.values()));
3392         request.setHTTPReferrer(referrer, blink::WebReferrerPolicyDefault);
3393       } else {
3394         request.setHTTPHeaderField(WebString::fromUTF8(i.name()),
3395                                    WebString::fromUTF8(i.values()));
3396       }
3397     }
3398   }
3399
3400   if (!render_view_->renderer_preferences_.enable_referrers)
3401     request.setHTTPReferrer(WebString(), blink::WebReferrerPolicyDefault);
3402 }
3403
3404 void RenderFrameImpl::didReceiveResponse(
3405     blink::WebLocalFrame* frame,
3406     unsigned identifier,
3407     const blink::WebURLResponse& response) {
3408   DCHECK(!frame_ || frame_ == frame);
3409   // Only do this for responses that correspond to a provisional data source
3410   // of the top-most frame.  If we have a provisional data source, then we
3411   // can't have any sub-resources yet, so we know that this response must
3412   // correspond to a frame load.
3413   if (!frame->provisionalDataSource() || frame->parent())
3414     return;
3415
3416   // If we are in view source mode, then just let the user see the source of
3417   // the server's error page.
3418   if (frame->isViewSourceModeEnabled())
3419     return;
3420
3421   DocumentState* document_state =
3422       DocumentState::FromDataSource(frame->provisionalDataSource());
3423   int http_status_code = response.httpStatusCode();
3424
3425   // Record page load flags.
3426   WebURLResponseExtraDataImpl* extra_data = GetExtraDataFromResponse(response);
3427   if (extra_data) {
3428     document_state->set_was_fetched_via_spdy(
3429         extra_data->was_fetched_via_spdy());
3430     document_state->set_was_npn_negotiated(
3431         extra_data->was_npn_negotiated());
3432     document_state->set_npn_negotiated_protocol(
3433         extra_data->npn_negotiated_protocol());
3434     document_state->set_was_alternate_protocol_available(
3435         extra_data->was_alternate_protocol_available());
3436     document_state->set_connection_info(
3437         extra_data->connection_info());
3438     document_state->set_was_fetched_via_proxy(
3439         extra_data->was_fetched_via_proxy());
3440     document_state->set_proxy_server(
3441         extra_data->proxy_server());
3442   }
3443   InternalDocumentStateData* internal_data =
3444       InternalDocumentStateData::FromDocumentState(document_state);
3445   internal_data->set_http_status_code(http_status_code);
3446 }
3447
3448 void RenderFrameImpl::didLoadResourceFromMemoryCache(
3449     blink::WebLocalFrame* frame,
3450     const blink::WebURLRequest& request,
3451     const blink::WebURLResponse& response) {
3452   DCHECK(!frame_ || frame_ == frame);
3453   // The recipients of this message have no use for data: URLs: they don't
3454   // affect the page's insecure content list and are not in the disk cache. To
3455   // prevent large (1M+) data: URLs from crashing in the IPC system, we simply
3456   // filter them out here.
3457   GURL url(request.url());
3458   if (url.SchemeIs(url::kDataScheme))
3459     return;
3460
3461   // Let the browser know we loaded a resource from the memory cache.  This
3462   // message is needed to display the correct SSL indicators.
3463   Send(new FrameHostMsg_DidLoadResourceFromMemoryCache(
3464       routing_id_, url, response.securityInfo(), request.httpMethod().utf8(),
3465       response.mimeType().utf8(), WebURLRequestToResourceType(request)));
3466 }
3467
3468 void RenderFrameImpl::didDisplayInsecureContent(blink::WebLocalFrame* frame) {
3469   DCHECK(!frame_ || frame_ == frame);
3470   Send(new FrameHostMsg_DidDisplayInsecureContent(routing_id_));
3471 }
3472
3473 void RenderFrameImpl::didRunInsecureContent(
3474     blink::WebLocalFrame* frame,
3475     const blink::WebSecurityOrigin& origin,
3476     const blink::WebURL& target) {
3477   DCHECK(!frame_ || frame_ == frame);
3478   Send(new FrameHostMsg_DidRunInsecureContent(
3479       routing_id_, origin.toString().utf8(), target));
3480   GetContentClient()->renderer()->RecordRapporURL(
3481       "ContentSettings.MixedScript.RanMixedScript",
3482       GURL(origin.toString().utf8()));
3483 }
3484
3485 void RenderFrameImpl::didAbortLoading(blink::WebLocalFrame* frame) {
3486   DCHECK(!frame_ || frame_ == frame);
3487 #if defined(ENABLE_PLUGINS)
3488   if (frame != render_view_->webview()->mainFrame())
3489     return;
3490   PluginChannelHost::Broadcast(
3491       new PluginHostMsg_DidAbortLoading(render_view_->GetRoutingID()));
3492 #endif
3493 }
3494
3495 void RenderFrameImpl::didCreateScriptContext(blink::WebLocalFrame* frame,
3496                                              v8::Local<v8::Context> context,
3497                                              int extension_group,
3498                                              int world_id) {
3499   DCHECK(!frame_ || frame_ == frame);
3500
3501   FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
3502                     DidCreateScriptContext(context, extension_group, world_id));
3503 }
3504
3505 void RenderFrameImpl::willReleaseScriptContext(blink::WebLocalFrame* frame,
3506                                                v8::Local<v8::Context> context,
3507                                                int world_id) {
3508   DCHECK(!frame_ || frame_ == frame);
3509
3510   FOR_EACH_OBSERVER(RenderFrameObserver,
3511                     observers_,
3512                     WillReleaseScriptContext(context, world_id));
3513 }
3514
3515 void RenderFrameImpl::didChangeScrollOffset(blink::WebLocalFrame* frame) {
3516   DCHECK(!frame_ || frame_ == frame);
3517   // TODO(nasko): Move implementation here. Needed methods:
3518   // * StartNavStateSyncTimerIfNecessary
3519   render_view_->didChangeScrollOffset(frame);
3520
3521   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidChangeScrollOffset());
3522 }
3523
3524 void RenderFrameImpl::willInsertBody(blink::WebLocalFrame* frame) {
3525   DCHECK(!frame_ || frame_ == frame);
3526   if (!frame->parent()) {
3527     render_view_->Send(new ViewHostMsg_WillInsertBody(
3528         render_view_->GetRoutingID()));
3529   }
3530 }
3531
3532 void RenderFrameImpl::reportFindInPageMatchCount(int request_id,
3533                                                  int count,
3534                                                  bool final_update) {
3535   int active_match_ordinal = -1;  // -1 = don't update active match ordinal
3536   if (!count)
3537     active_match_ordinal = 0;
3538
3539   render_view_->Send(new ViewHostMsg_Find_Reply(
3540       render_view_->GetRoutingID(), request_id, count,
3541       gfx::Rect(), active_match_ordinal, final_update));
3542 }
3543
3544 void RenderFrameImpl::reportFindInPageSelection(
3545     int request_id,
3546     int active_match_ordinal,
3547     const blink::WebRect& selection_rect) {
3548   render_view_->Send(new ViewHostMsg_Find_Reply(
3549       render_view_->GetRoutingID(), request_id, -1, selection_rect,
3550       active_match_ordinal, false));
3551 }
3552
3553 void RenderFrameImpl::requestStorageQuota(
3554     blink::WebLocalFrame* frame,
3555     blink::WebStorageQuotaType type,
3556     unsigned long long requested_size,
3557     blink::WebStorageQuotaCallbacks callbacks) {
3558   DCHECK(!frame_ || frame_ == frame);
3559   WebSecurityOrigin origin = frame->document().securityOrigin();
3560   if (origin.isUnique()) {
3561     // Unique origins cannot store persistent state.
3562     callbacks.didFail(blink::WebStorageQuotaErrorAbort);
3563     return;
3564   }
3565   ChildThreadImpl::current()->quota_dispatcher()->RequestStorageQuota(
3566       render_view_->GetRoutingID(),
3567       GURL(origin.toString()),
3568       static_cast<storage::StorageType>(type),
3569       requested_size,
3570       QuotaDispatcher::CreateWebStorageQuotaCallbacksWrapper(callbacks));
3571 }
3572
3573 void RenderFrameImpl::willOpenWebSocket(blink::WebSocketHandle* handle) {
3574   WebSocketBridge* impl = static_cast<WebSocketBridge*>(handle);
3575   impl->set_render_frame_id(routing_id_);
3576 }
3577
3578 blink::WebGeolocationClient* RenderFrameImpl::geolocationClient() {
3579   if (!geolocation_dispatcher_)
3580     geolocation_dispatcher_ = new GeolocationDispatcher(this);
3581   return geolocation_dispatcher_;
3582 }
3583
3584 blink::WebPresentationClient* RenderFrameImpl::presentationClient() {
3585   if (!presentation_dispatcher_)
3586     presentation_dispatcher_ = new PresentationDispatcher(this);
3587   return presentation_dispatcher_;
3588 }
3589
3590 blink::WebPushClient* RenderFrameImpl::pushClient() {
3591   if (!push_messaging_dispatcher_)
3592     push_messaging_dispatcher_ = new PushMessagingDispatcher(this);
3593   return push_messaging_dispatcher_;
3594 }
3595
3596 void RenderFrameImpl::willStartUsingPeerConnectionHandler(
3597     blink::WebLocalFrame* frame,
3598     blink::WebRTCPeerConnectionHandler* handler) {
3599   DCHECK(!frame_ || frame_ == frame);
3600 #if defined(ENABLE_WEBRTC)
3601   static_cast<RTCPeerConnectionHandler*>(handler)->associateWithFrame(frame);
3602 #endif
3603 }
3604
3605 blink::WebUserMediaClient* RenderFrameImpl::userMediaClient() {
3606   if (!web_user_media_client_)
3607     InitializeUserMediaClient();
3608   return web_user_media_client_;
3609 }
3610
3611 blink::WebEncryptedMediaClient* RenderFrameImpl::encryptedMediaClient() {
3612   if (!web_encrypted_media_client_) {
3613     web_encrypted_media_client_.reset(new media::WebEncryptedMediaClientImpl(
3614         // base::Unretained(this) is safe because WebEncryptedMediaClientImpl
3615         // is destructed before |this|, and does not give away ownership of the
3616         // callback.
3617         base::Bind(&RenderFrameImpl::AreSecureCodecsSupported,
3618                    base::Unretained(this)),
3619         GetCdmFactory(), GetMediaPermission()));
3620   }
3621   return web_encrypted_media_client_.get();
3622 }
3623
3624 blink::WebMIDIClient* RenderFrameImpl::webMIDIClient() {
3625   if (!midi_dispatcher_)
3626     midi_dispatcher_ = new MidiDispatcher(this);
3627   return midi_dispatcher_;
3628 }
3629
3630 bool RenderFrameImpl::willCheckAndDispatchMessageEvent(
3631     blink::WebLocalFrame* source_frame,
3632     blink::WebFrame* target_frame,
3633     blink::WebSecurityOrigin target_origin,
3634     blink::WebDOMMessageEvent event) {
3635   DCHECK(!frame_ || frame_ == target_frame);
3636
3637   // Currently, a postMessage that targets a cross-process frame can be plumbed
3638   // either through this function or RenderFrameProxy::postMessageEvent. This
3639   // function is used when the target cross-process frame is a top-level frame
3640   // which has been swapped out.  In that case, the corresponding WebLocalFrame
3641   // currently remains in the frame tree even in site-per-process mode (see
3642   // OnSwapOut). RenderFrameProxy::postMessageEvent is used in
3643   // --site-per-process mode for all other cases.
3644   //
3645   // TODO(alexmos, nasko): When swapped-out:// disappears, this should be
3646   // cleaned up so that RenderFrameProxy::postMessageEvent is the only path for
3647   // cross-process postMessages.
3648   if (!is_swapped_out_)
3649     return false;
3650
3651   // It is possible to get here on a swapped-out frame without a
3652   // |render_frame_proxy_|. This happens when:
3653   // - This process only has one active RenderView and is about to go away
3654   //   (e.g., due to cross-process navigation).
3655   // - The top frame has a subframe with an unload handler.
3656   // - The subframe sends a postMessage to the top-level frame in its unload
3657   //   handler.
3658   // See https://crbug.com/475651 for details.  We return false here, since we
3659   // don't want to deliver the message to the new process in this case.
3660   if (!render_frame_proxy_)
3661     return false;
3662
3663   render_frame_proxy_->postMessageEvent(
3664       source_frame, render_frame_proxy_->web_frame(), target_origin, event);
3665   return true;
3666 }
3667
3668 blink::WebString RenderFrameImpl::userAgentOverride(blink::WebLocalFrame* frame,
3669                                                     const blink::WebURL& url) {
3670   DCHECK(!frame_ || frame_ == frame);
3671   std::string user_agent_override_for_url =
3672       GetContentClient()->renderer()->GetUserAgentOverrideForURL(GURL(url));
3673   if (!user_agent_override_for_url.empty())
3674     return WebString::fromUTF8(user_agent_override_for_url);
3675
3676   if (!render_view_->webview() || !render_view_->webview()->mainFrame() ||
3677       render_view_->renderer_preferences_.user_agent_override.empty()) {
3678     return blink::WebString();
3679   }
3680
3681   // TODO(nasko): When the top-level frame is remote, there is no WebDataSource
3682   // associated with it, so the checks below are not valid. Temporarily
3683   // return early and fix properly as part of https://crbug.com/426555.
3684   if (render_view_->webview()->mainFrame()->isWebRemoteFrame())
3685     return blink::WebString();
3686
3687   // If we're in the middle of committing a load, the data source we need
3688   // will still be provisional.
3689   WebFrame* main_frame = render_view_->webview()->mainFrame();
3690   WebDataSource* data_source = NULL;
3691   if (main_frame->provisionalDataSource())
3692     data_source = main_frame->provisionalDataSource();
3693   else
3694     data_source = main_frame->dataSource();
3695
3696   InternalDocumentStateData* internal_data = data_source ?
3697       InternalDocumentStateData::FromDataSource(data_source) : NULL;
3698   if (internal_data && internal_data->is_overriding_user_agent())
3699     return WebString::fromUTF8(
3700         render_view_->renderer_preferences_.user_agent_override);
3701   return blink::WebString();
3702 }
3703
3704 blink::WebString RenderFrameImpl::doNotTrackValue(blink::WebLocalFrame* frame) {
3705   DCHECK(!frame_ || frame_ == frame);
3706   if (render_view_->renderer_preferences_.enable_do_not_track)
3707     return WebString::fromUTF8("1");
3708   return WebString();
3709 }
3710
3711 bool RenderFrameImpl::allowWebGL(blink::WebLocalFrame* frame,
3712                                  bool default_value) {
3713   DCHECK(!frame_ || frame_ == frame);
3714   if (!default_value)
3715     return false;
3716
3717   bool blocked = true;
3718   Send(new FrameHostMsg_Are3DAPIsBlocked(
3719       routing_id_,
3720       GURL(frame->top()->securityOrigin().toString()),
3721       THREE_D_API_TYPE_WEBGL,
3722       &blocked));
3723   return !blocked;
3724 }
3725
3726 void RenderFrameImpl::didLoseWebGLContext(blink::WebLocalFrame* frame,
3727                                           int arb_robustness_status_code) {
3728   DCHECK(!frame_ || frame_ == frame);
3729   Send(new FrameHostMsg_DidLose3DContext(
3730       GURL(frame->top()->securityOrigin().toString()),
3731       THREE_D_API_TYPE_WEBGL,
3732       arb_robustness_status_code));
3733 }
3734
3735 blink::WebScreenOrientationClient*
3736     RenderFrameImpl::webScreenOrientationClient() {
3737   if (!screen_orientation_dispatcher_)
3738     screen_orientation_dispatcher_ = new ScreenOrientationDispatcher(this);
3739   return screen_orientation_dispatcher_;
3740 }
3741
3742 bool RenderFrameImpl::isControlledByServiceWorker(WebDataSource& data_source) {
3743   ServiceWorkerNetworkProvider* provider =
3744       ServiceWorkerNetworkProvider::FromDocumentState(
3745           DocumentState::FromDataSource(&data_source));
3746   if (!provider->context())
3747     return false;
3748   return provider->context()->controller_handle_id() !=
3749       kInvalidServiceWorkerHandleId;
3750 }
3751
3752 int64_t RenderFrameImpl::serviceWorkerID(WebDataSource& data_source) {
3753   ServiceWorkerNetworkProvider* provider =
3754       ServiceWorkerNetworkProvider::FromDocumentState(
3755           DocumentState::FromDataSource(&data_source));
3756   if (provider->context() && provider->context()->controller())
3757     return provider->context()->controller()->version_id();
3758   return kInvalidServiceWorkerVersionId;
3759 }
3760
3761 void RenderFrameImpl::postAccessibilityEvent(const blink::WebAXObject& obj,
3762                                              blink::WebAXEvent event) {
3763   HandleWebAccessibilityEvent(obj, event);
3764 }
3765
3766 void RenderFrameImpl::handleAccessibilityFindInPageResult(
3767     int identifier,
3768     int match_index,
3769     const blink::WebAXObject& start_object,
3770     int start_offset,
3771     const blink::WebAXObject& end_object,
3772     int end_offset) {
3773   if (renderer_accessibility_) {
3774     renderer_accessibility_->HandleAccessibilityFindInPageResult(
3775         identifier, match_index, start_object, start_offset,
3776         end_object, end_offset);
3777   }
3778 }
3779
3780 void RenderFrameImpl::didChangeManifest(blink::WebLocalFrame* frame) {
3781   DCHECK(!frame_ || frame_ == frame);
3782
3783   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidChangeManifest());
3784 }
3785
3786 bool RenderFrameImpl::enterFullscreen() {
3787   Send(new FrameHostMsg_ToggleFullscreen(routing_id_, true));
3788   return true;
3789 }
3790
3791 bool RenderFrameImpl::exitFullscreen() {
3792   Send(new FrameHostMsg_ToggleFullscreen(routing_id_, false));
3793   return true;
3794 }
3795
3796 blink::WebPermissionClient* RenderFrameImpl::permissionClient() {
3797   if (!permission_client_)
3798     permission_client_.reset(new PermissionDispatcher(GetServiceRegistry()));
3799
3800   return permission_client_.get();
3801 }
3802
3803 blink::WebAppBannerClient* RenderFrameImpl::appBannerClient() {
3804   if (!app_banner_client_) {
3805     app_banner_client_ =
3806         GetContentClient()->renderer()->CreateAppBannerClient(this);
3807   }
3808
3809   return app_banner_client_.get();
3810 }
3811
3812 void RenderFrameImpl::registerProtocolHandler(const WebString& scheme,
3813                                               const WebURL& url,
3814                                               const WebString& title) {
3815   bool user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
3816   Send(new FrameHostMsg_RegisterProtocolHandler(
3817       routing_id_,
3818       base::UTF16ToUTF8(base::StringPiece16(scheme)),
3819       url,
3820       title,
3821       user_gesture));
3822 }
3823
3824 void RenderFrameImpl::unregisterProtocolHandler(const WebString& scheme,
3825                                                 const WebURL& url) {
3826   bool user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
3827   Send(new FrameHostMsg_UnregisterProtocolHandler(
3828       routing_id_,
3829       base::UTF16ToUTF8(base::StringPiece16(scheme)),
3830       url,
3831       user_gesture));
3832 }
3833
3834 blink::WebBluetooth* RenderFrameImpl::bluetooth() {
3835   if (!bluetooth_) {
3836     bluetooth_.reset(new WebBluetoothImpl(
3837         ChildThreadImpl::current()->thread_safe_sender(), routing_id_));
3838   }
3839
3840   return bluetooth_.get();
3841 }
3842
3843 blink::WebUSBClient* RenderFrameImpl::usbClient() {
3844 #if !defined(OS_ANDROID)
3845   if (!usb_client_) {
3846     mojo::ServiceProviderPtr device_services =
3847         ConnectToApplication(GURL(device::kDevicesMojoAppUrl));
3848     usb_client_.reset(new WebUSBClientImpl(device_services.Pass()));
3849   }
3850 #endif
3851   return usb_client_.get();
3852 }
3853
3854 #if defined(ENABLE_WEBVR)
3855 blink::WebVRClient* RenderFrameImpl::webVRClient() {
3856   if (!vr_dispatcher_)
3857     vr_dispatcher_.reset(new VRDispatcher(GetServiceRegistry()));
3858
3859   return vr_dispatcher_.get();
3860 }
3861 #endif
3862
3863 void RenderFrameImpl::DidPlay(WebMediaPlayer* player) {
3864   has_played_media_ = true;
3865   Send(new FrameHostMsg_MediaPlayingNotification(
3866       routing_id_, reinterpret_cast<int64>(player), player->hasVideo(),
3867       player->hasAudio(), player->isRemote()));
3868 }
3869
3870 void RenderFrameImpl::DidPause(WebMediaPlayer* player) {
3871   Send(new FrameHostMsg_MediaPausedNotification(
3872       routing_id_, reinterpret_cast<int64>(player)));
3873 }
3874
3875 void RenderFrameImpl::PlayerGone(WebMediaPlayer* player) {
3876   DidPause(player);
3877 }
3878
3879 void RenderFrameImpl::AddObserver(RenderFrameObserver* observer) {
3880   observers_.AddObserver(observer);
3881 }
3882
3883 void RenderFrameImpl::RemoveObserver(RenderFrameObserver* observer) {
3884   observer->RenderFrameGone();
3885   observers_.RemoveObserver(observer);
3886 }
3887
3888 void RenderFrameImpl::OnStop() {
3889   DCHECK(frame_);
3890   frame_->stopLoading();
3891   if (!frame_->parent())
3892     FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers_, OnStop());
3893
3894   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, OnStop());
3895 }
3896
3897 void RenderFrameImpl::WasHidden() {
3898   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, WasHidden());
3899 }
3900
3901 void RenderFrameImpl::WasShown() {
3902   // TODO(kenrb): Need to figure out how to do this better. Should
3903   // VisibilityState remain a page-level concept or move to frames?
3904   // The semantics of 'Show' might have to change here.
3905   if (render_widget_) {
3906     static_cast<blink::WebFrameWidget*>(render_widget_->webwidget())->
3907         setVisibilityState(blink::WebPageVisibilityStateVisible, false);
3908   }
3909   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, WasShown());
3910 }
3911
3912 void RenderFrameImpl::WidgetWillClose() {
3913   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, WidgetWillClose());
3914 }
3915
3916 bool RenderFrameImpl::IsHidden() {
3917   return GetRenderWidget()->is_hidden();
3918 }
3919
3920 // Tell the embedding application that the URL of the active page has changed.
3921 void RenderFrameImpl::SendDidCommitProvisionalLoad(
3922     blink::WebFrame* frame,
3923     blink::WebHistoryCommitType commit_type,
3924     const blink::WebHistoryItem& item) {
3925   DCHECK(!frame_ || frame_ == frame);
3926   WebDataSource* ds = frame->dataSource();
3927   DCHECK(ds);
3928
3929   const WebURLRequest& request = ds->request();
3930   const WebURLResponse& response = ds->response();
3931
3932   DocumentState* document_state = DocumentState::FromDataSource(ds);
3933   NavigationStateImpl* navigation_state =
3934       static_cast<NavigationStateImpl*>(document_state->navigation_state());
3935   InternalDocumentStateData* internal_data =
3936       InternalDocumentStateData::FromDocumentState(document_state);
3937
3938   FrameHostMsg_DidCommitProvisionalLoad_Params params;
3939   params.http_status_code = response.httpStatusCode();
3940   params.url_is_unreachable = ds->hasUnreachableURL();
3941   params.is_post = false;
3942   params.intended_as_new_entry =
3943       navigation_state->request_params().intended_as_new_entry;
3944   params.did_create_new_entry = commit_type == blink::WebStandardCommit;
3945   params.post_id = -1;
3946   params.page_id = render_view_->page_id_;
3947   params.nav_entry_id = navigation_state->request_params().nav_entry_id;
3948   // We need to track the RenderViewHost routing_id because of downstream
3949   // dependencies (crbug.com/392171 DownloadRequestHandle, SaveFileManager,
3950   // ResourceDispatcherHostImpl, MediaStreamUIProxy,
3951   // SpeechRecognitionDispatcherHost and possibly others). They look up the view
3952   // based on the ID stored in the resource requests. Once those dependencies
3953   // are unwound or moved to RenderFrameHost (crbug.com/304341) we can move the
3954   // client to be based on the routing_id of the RenderFrameHost.
3955   params.render_view_routing_id = render_view_->routing_id();
3956   params.socket_address.set_host(response.remoteIPAddress().utf8());
3957   params.socket_address.set_port(response.remotePort());
3958   WebURLResponseExtraDataImpl* extra_data = GetExtraDataFromResponse(response);
3959   if (extra_data)
3960     params.was_fetched_via_proxy = extra_data->was_fetched_via_proxy();
3961   params.was_within_same_page = navigation_state->WasWithinSamePage();
3962   params.security_info = response.securityInfo();
3963
3964   // Set the URL to be displayed in the browser UI to the user.
3965   params.url = GetLoadingUrl();
3966   DCHECK(!is_swapped_out_ || params.url == GURL(kSwappedOutURL));
3967
3968   // Set the origin of the frame.  This will be replicated to the corresponding
3969   // RenderFrameProxies in other processes.
3970   // TODO(alexmos): Origins for URLs with non-standard schemes are excluded due
3971   // to https://crbug.com/439608 and will be replicated as unique origins.
3972   if (!is_swapped_out_) {
3973     std::string scheme = frame->document().securityOrigin().protocol().utf8();
3974     if (url::IsStandard(scheme.c_str(),
3975                         url::Component(0, static_cast<int>(scheme.length())))) {
3976       params.origin = frame->document().securityOrigin();
3977     }
3978   }
3979
3980   if (frame->document().baseURL() != params.url)
3981     params.base_url = frame->document().baseURL();
3982
3983   GetRedirectChain(ds, &params.redirects);
3984   params.should_update_history = !ds->hasUnreachableURL() &&
3985       !response.isMultipartPayload() && (response.httpStatusCode() != 404);
3986
3987   params.searchable_form_url = internal_data->searchable_form_url();
3988   params.searchable_form_encoding = internal_data->searchable_form_encoding();
3989
3990   params.gesture = render_view_->navigation_gesture_;
3991   render_view_->navigation_gesture_ = NavigationGestureUnknown;
3992
3993   // Make navigation state a part of the DidCommitProvisionalLoad message so
3994   // that committed entry has it at all times.
3995   HistoryEntry* entry = render_view_->history_controller()->GetCurrentEntry();
3996   if (!SiteIsolationPolicy::UseSubframeNavigationEntries()) {
3997     if (entry)
3998       params.page_state = HistoryEntryToPageState(entry);
3999     else
4000       params.page_state = PageState::CreateFromURL(request.url());
4001   } else {
4002     // In --site-per-process, just send a single HistoryItem for this frame,
4003     // rather than the whole tree.  It will be stored in the corresponding
4004     // FrameNavigationEntry.
4005     params.page_state = SingleHistoryItemToPageState(item);
4006   }
4007   params.item_sequence_number = item.itemSequenceNumber();
4008   params.document_sequence_number = item.documentSequenceNumber();
4009
4010   if (!frame->parent()) {
4011     // Top-level navigation.
4012
4013     // Reset the zoom limits in case a plugin had changed them previously. This
4014     // will also call us back which will cause us to send a message to
4015     // update WebContentsImpl.
4016     render_view_->webview()->zoomLimitsChanged(
4017         ZoomFactorToZoomLevel(kMinimumZoomFactor),
4018         ZoomFactorToZoomLevel(kMaximumZoomFactor));
4019
4020     // Set zoom level, but don't do it for full-page plugin since they don't use
4021     // the same zoom settings.
4022     HostZoomLevels::iterator host_zoom =
4023         render_view_->host_zoom_levels_.find(GURL(request.url()));
4024     if (render_view_->webview()->mainFrame()->isWebLocalFrame() &&
4025         render_view_->webview()->mainFrame()->document().isPluginDocument()) {
4026       // Reset the zoom levels for plugins.
4027       render_view_->webview()->setZoomLevel(0);
4028     } else {
4029       // If the zoom level is not found, then do nothing. In-page navigation
4030       // relies on not changing the zoom level in this case.
4031       if (host_zoom != render_view_->host_zoom_levels_.end())
4032         render_view_->webview()->setZoomLevel(host_zoom->second);
4033     }
4034
4035     if (host_zoom != render_view_->host_zoom_levels_.end()) {
4036       // This zoom level was merely recorded transiently for this load.  We can
4037       // erase it now.  If at some point we reload this page, the browser will
4038       // send us a new, up-to-date zoom level.
4039       render_view_->host_zoom_levels_.erase(host_zoom);
4040     }
4041
4042     // Update contents MIME type for main frame.
4043     params.contents_mime_type = ds->response().mimeType().utf8();
4044
4045     params.transition = navigation_state->GetTransitionType();
4046     if (!ui::PageTransitionIsMainFrame(params.transition)) {
4047       // If the main frame does a load, it should not be reported as a subframe
4048       // navigation.  This can occur in the following case:
4049       // 1. You're on a site with frames.
4050       // 2. You do a subframe navigation.  This is stored with transition type
4051       //    MANUAL_SUBFRAME.
4052       // 3. You navigate to some non-frame site, say, google.com.
4053       // 4. You navigate back to the page from step 2.  Since it was initially
4054       //    MANUAL_SUBFRAME, it will be that same transition type here.
4055       // We don't want that, because any navigation that changes the toplevel
4056       // frame should be tracked as a toplevel navigation (this allows us to
4057       // update the URL bar, etc).
4058       params.transition = ui::PAGE_TRANSITION_LINK;
4059     }
4060
4061     // If the page contained a client redirect (meta refresh, document.loc...),
4062     // set the referrer and transition appropriately.
4063     if (ds->isClientRedirect()) {
4064       params.referrer =
4065           Referrer(params.redirects[0], ds->request().referrerPolicy());
4066       params.transition = ui::PageTransitionFromInt(
4067           params.transition | ui::PAGE_TRANSITION_CLIENT_REDIRECT);
4068     } else {
4069       params.referrer = RenderViewImpl::GetReferrerFromRequest(
4070           frame, ds->request());
4071     }
4072
4073     base::string16 method = request.httpMethod();
4074     if (base::EqualsASCII(method, "POST")) {
4075       params.is_post = true;
4076       params.post_id = ExtractPostId(entry);
4077     }
4078
4079     // Send the user agent override back.
4080     params.is_overriding_user_agent = internal_data->is_overriding_user_agent();
4081
4082     // Track the URL of the original request.  We use the first entry of the
4083     // redirect chain if it exists because the chain may have started in another
4084     // process.
4085     params.original_request_url = GetOriginalRequestURL(ds);
4086
4087     params.history_list_was_cleared =
4088         navigation_state->request_params().should_clear_history_list;
4089
4090     params.report_type = static_cast<FrameMsg_UILoadMetricsReportType::Value>(
4091         frame->dataSource()->request().inputPerfMetricReportPolicy());
4092     params.ui_timestamp = base::TimeTicks() + base::TimeDelta::FromSecondsD(
4093         frame->dataSource()->request().uiStartTime());
4094
4095     // Save some histogram data so we can compute the average memory used per
4096     // page load of the glyphs.
4097     UMA_HISTOGRAM_COUNTS_10000("Memory.GlyphPagesPerLoad",
4098                                blink::WebGlyphCache::pageCount());
4099
4100     // This message needs to be sent before any of allowScripts(),
4101     // allowImages(), allowPlugins() is called for the new page, so that when
4102     // these functions send a ViewHostMsg_ContentBlocked message, it arrives
4103     // after the FrameHostMsg_DidCommitProvisionalLoad message.
4104     Send(new FrameHostMsg_DidCommitProvisionalLoad(routing_id_, params));
4105   } else {
4106     // Subframe navigation: the type depends on whether this navigation
4107     // generated a new session history entry. When they do generate a session
4108     // history entry, it means the user initiated the navigation and we should
4109     // mark it as such.
4110     if (commit_type == blink::WebStandardCommit)
4111       params.transition = ui::PAGE_TRANSITION_MANUAL_SUBFRAME;
4112     else
4113       params.transition = ui::PAGE_TRANSITION_AUTO_SUBFRAME;
4114
4115     DCHECK(!navigation_state->request_params().should_clear_history_list);
4116     params.history_list_was_cleared = false;
4117     params.report_type = FrameMsg_UILoadMetricsReportType::NO_REPORT;
4118
4119     // Don't send this message while the subframe is swapped out.
4120     if (!is_swapped_out())
4121       Send(new FrameHostMsg_DidCommitProvisionalLoad(routing_id_, params));
4122   }
4123
4124   // If we end up reusing this WebRequest (for example, due to a #ref click),
4125   // we don't want the transition type to persist.  Just clear it.
4126   navigation_state->set_transition_type(ui::PAGE_TRANSITION_LINK);
4127 }
4128
4129 void RenderFrameImpl::didStartLoading(bool to_different_document) {
4130   TRACE_EVENT1("navigation", "RenderFrameImpl::didStartLoading",
4131                "id", routing_id_);
4132   render_view_->FrameDidStartLoading(frame_);
4133   Send(new FrameHostMsg_DidStartLoading(routing_id_, to_different_document));
4134 }
4135
4136 void RenderFrameImpl::didStopLoading() {
4137   TRACE_EVENT1("navigation", "RenderFrameImpl::didStopLoading",
4138                "id", routing_id_);
4139   render_view_->FrameDidStopLoading(frame_);
4140   Send(new FrameHostMsg_DidStopLoading(routing_id_));
4141 }
4142
4143 void RenderFrameImpl::didChangeLoadProgress(double load_progress) {
4144   Send(new FrameHostMsg_DidChangeLoadProgress(routing_id_, load_progress));
4145 }
4146
4147 void RenderFrameImpl::HandleWebAccessibilityEvent(
4148     const blink::WebAXObject& obj, blink::WebAXEvent event) {
4149   if (renderer_accessibility_)
4150     renderer_accessibility_->HandleWebAccessibilityEvent(obj, event);
4151 }
4152
4153 void RenderFrameImpl::FocusedNodeChanged(const WebNode& node) {
4154   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, FocusedNodeChanged(node));
4155 }
4156
4157 void RenderFrameImpl::FocusedNodeChangedForAccessibility(const WebNode& node) {
4158   if (renderer_accessibility())
4159     renderer_accessibility()->AccessibilityFocusedNodeChanged(node);
4160 }
4161
4162 // PlzNavigate
4163 void RenderFrameImpl::OnCommitNavigation(
4164     const ResourceResponseHead& response,
4165     const GURL& stream_url,
4166     const CommonNavigationParams& common_params,
4167     const RequestNavigationParams& request_params) {
4168   CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch(
4169       switches::kEnableBrowserSideNavigation));
4170   // This will override the url requested by the WebURLLoader, as well as
4171   // provide it with the response to the request.
4172   scoped_ptr<StreamOverrideParameters> stream_override(
4173       new StreamOverrideParameters());
4174   stream_override->stream_url = stream_url;
4175   stream_override->response = response;
4176
4177   NavigateInternal(common_params, StartNavigationParams(), request_params,
4178                    stream_override.Pass());
4179 }
4180
4181 void RenderFrameImpl::OnFailedNavigation(
4182     const CommonNavigationParams& common_params,
4183     const RequestNavigationParams& request_params,
4184     bool has_stale_copy_in_cache,
4185     int error_code) {
4186   bool is_reload = IsReload(common_params.navigation_type);
4187   bool is_history_navigation = request_params.page_state.IsValid();
4188   WebURLRequest::CachePolicy cache_policy =
4189       WebURLRequest::UseProtocolCachePolicy;
4190   RenderFrameImpl::PrepareRenderViewForNavigation(
4191       common_params.url, request_params, &is_reload, &cache_policy);
4192
4193   GetContentClient()->SetActiveURL(common_params.url);
4194
4195   pending_navigation_params_.reset(new NavigationParams(
4196       common_params, StartNavigationParams(), request_params));
4197
4198   // Inform the browser of the start of the provisional load. This is needed so
4199   // that the load is properly tracked by the WebNavigation API.
4200   Send(new FrameHostMsg_DidStartProvisionalLoadForFrame(
4201       routing_id_, common_params.url));
4202
4203   // Send the provisional load failure.
4204   blink::WebURLError error =
4205       CreateWebURLError(common_params.url, has_stale_copy_in_cache, error_code);
4206   WebURLRequest failed_request = CreateURLRequestForNavigation(
4207       common_params, scoped_ptr<StreamOverrideParameters>(),
4208       frame_->isViewSourceModeEnabled());
4209   SendFailedProvisionalLoad(failed_request, error, frame_);
4210
4211   if (!ShouldDisplayErrorPageForFailedLoad(error_code, common_params.url)) {
4212     // TODO(avi): Remove this; we shouldn't ever be dropping navigations.
4213     // http://crbug.com/501960
4214     Send(new FrameHostMsg_DidDropNavigation(routing_id_));
4215     return;
4216   }
4217
4218   // Make sure errors are not shown in view source mode.
4219   frame_->enableViewSourceMode(false);
4220
4221   // Replace the current history entry in reloads, history navigations and loads
4222   // of the same url. This corresponds to Blink's notion of a standard
4223   // commit.
4224   // TODO(clamy): see if initial commits in subframes should be handled
4225   // separately.
4226   bool replace = is_reload || is_history_navigation ||
4227                  common_params.url == GetLoadingUrl();
4228   LoadNavigationErrorPage(failed_request, error, replace);
4229 }
4230
4231 WebNavigationPolicy RenderFrameImpl::DecidePolicyForNavigation(
4232     RenderFrame* render_frame,
4233     const NavigationPolicyInfo& info) {
4234   Referrer referrer(RenderViewImpl::GetReferrerFromRequest(info.frame,
4235                                                            info.urlRequest));
4236
4237   // TODO(nick): Is consulting |is_subframe_| here correct?
4238   if (SiteIsolationPolicy::IsSwappedOutStateForbidden() && is_subframe_) {
4239     // There's no reason to ignore navigations on subframes, since the swap out
4240     // logic no longer applies.
4241   } else {
4242     if (is_swapped_out_) {
4243       if (info.urlRequest.url() != GURL(kSwappedOutURL)) {
4244         // Targeted links may try to navigate a swapped out frame.  Allow the
4245         // browser process to navigate the tab instead.  Note that it is also
4246         // possible for non-targeted navigations (from this view) to arrive
4247         // here just after we are swapped out.  It's ok to send them to the
4248         // browser, as long as they're for the top level frame.
4249         // TODO(creis): Ensure this supports targeted form submissions when
4250         // fixing http://crbug.com/101395.
4251         if (info.frame->parent() == NULL) {
4252           OpenURL(info.frame, info.urlRequest.url(), referrer,
4253                   info.defaultPolicy);
4254           return blink::WebNavigationPolicyIgnore;  // Suppress the load here.
4255         }
4256
4257         // We should otherwise ignore in-process iframe navigations, if they
4258         // arrive just after we are swapped out.
4259         return blink::WebNavigationPolicyIgnore;
4260       }
4261
4262       // Allow kSwappedOutURL to complete.
4263       return info.defaultPolicy;
4264     }
4265   }
4266
4267   // Webkit is asking whether to navigate to a new URL.
4268   // This is fine normally, except if we're showing UI from one security
4269   // context and they're trying to navigate to a different context.
4270   const GURL& url = info.urlRequest.url();
4271
4272   // A content initiated navigation may have originated from a link-click,
4273   // script, drag-n-drop operation, etc.
4274   DocumentState* document_state = static_cast<DocumentState*>(info.extraData);
4275   bool is_content_initiated =
4276       document_state->navigation_state()->IsContentInitiated();
4277
4278   // If the browser is interested, then give it a chance to look at the request.
4279   if (is_content_initiated) {
4280     bool is_form_post =
4281         ((info.navigationType == blink::WebNavigationTypeFormSubmitted) ||
4282             (info.navigationType == blink::WebNavigationTypeFormResubmitted)) &&
4283         base::EqualsASCII(base::StringPiece16(info.urlRequest.httpMethod()),
4284                           "POST");
4285     bool browser_handles_request =
4286         render_view_->renderer_preferences_
4287             .browser_handles_non_local_top_level_requests
4288         && IsNonLocalTopLevelNavigation(url, info.frame, info.navigationType,
4289                                         is_form_post);
4290     if (!browser_handles_request) {
4291       browser_handles_request = IsTopLevelNavigation(info.frame) &&
4292           render_view_->renderer_preferences_
4293               .browser_handles_all_top_level_requests;
4294     }
4295
4296     if (browser_handles_request) {
4297       OpenURL(info.frame, url, referrer, info.defaultPolicy);
4298       return blink::WebNavigationPolicyIgnore;  // Suppress the load here.
4299     }
4300   }
4301
4302   // Use the frame's original request's URL rather than the document's URL for
4303   // subsequent checks.  For a popup, the document's URL may become the opener
4304   // window's URL if the opener has called document.write().
4305   // See http://crbug.com/93517.
4306   GURL old_url(info.frame->dataSource()->request().url());
4307
4308   // Detect when we're crossing a permission-based boundary (e.g. into or out of
4309   // an extension or app origin, leaving a WebUI page, etc). We only care about
4310   // top-level navigations (not iframes). But we sometimes navigate to
4311   // about:blank to clear a tab, and we want to still allow that.
4312   //
4313   // Note: this is known to break POST submissions when crossing process
4314   // boundaries until http://crbug.com/101395 is fixed.  This is better for
4315   // security than loading a WebUI, extension or app page in the wrong process.
4316   // POST requests don't work because this mechanism does not preserve form
4317   // POST data. We will need to send the request's httpBody data up to the
4318   // browser process, and issue a special POST navigation in WebKit (via
4319   // FrameLoader::loadFrameRequest). See ResourceDispatcher and WebURLLoaderImpl
4320   // for examples of how to send the httpBody data.
4321   if (!info.frame->parent() && is_content_initiated &&
4322       !url.SchemeIs(url::kAboutScheme)) {
4323     bool send_referrer = false;
4324
4325     // All navigations to or from WebUI URLs or within WebUI-enabled
4326     // RenderProcesses must be handled by the browser process so that the
4327     // correct bindings and data sources can be registered.
4328     // Similarly, navigations to view-source URLs or within ViewSource mode
4329     // must be handled by the browser process (except for reloads - those are
4330     // safe to leave within the renderer).
4331     // Lastly, access to file:// URLs from non-file:// URL pages must be
4332     // handled by the browser so that ordinary renderer processes don't get
4333     // blessed with file permissions.
4334     int cumulative_bindings = RenderProcess::current()->GetEnabledBindings();
4335     bool is_initial_navigation = render_view_->history_list_length_ == 0;
4336     bool should_fork = HasWebUIScheme(url) || HasWebUIScheme(old_url) ||
4337         (cumulative_bindings & BINDINGS_POLICY_WEB_UI) ||
4338         url.SchemeIs(kViewSourceScheme) ||
4339         (info.frame->isViewSourceModeEnabled() &&
4340             info.navigationType != blink::WebNavigationTypeReload);
4341
4342     if (!should_fork && url.SchemeIs(url::kFileScheme)) {
4343       // Fork non-file to file opens.  Check the opener URL if this is the
4344       // initial navigation in a newly opened window.
4345       GURL source_url(old_url);
4346       if (is_initial_navigation && source_url.is_empty() &&
4347           info.frame->opener())
4348         source_url = info.frame->opener()->top()->document().url();
4349       DCHECK(!source_url.is_empty());
4350       should_fork = !source_url.SchemeIs(url::kFileScheme);
4351     }
4352
4353     if (!should_fork) {
4354       // Give the embedder a chance.
4355       should_fork = GetContentClient()->renderer()->ShouldFork(
4356           info.frame, url, info.urlRequest.httpMethod().utf8(),
4357           is_initial_navigation, info.isRedirect, &send_referrer);
4358     }
4359
4360     if (should_fork) {
4361       OpenURL(info.frame, url, send_referrer ? referrer : Referrer(),
4362               info.defaultPolicy);
4363       return blink::WebNavigationPolicyIgnore;  // Suppress the load here.
4364     }
4365   }
4366
4367   // Detect when a page is "forking" a new tab that can be safely rendered in
4368   // its own process.  This is done by sites like Gmail that try to open links
4369   // in new windows without script connections back to the original page.  We
4370   // treat such cases as browser navigations (in which we will create a new
4371   // renderer for a cross-site navigation), rather than WebKit navigations.
4372   //
4373   // We use the following heuristic to decide whether to fork a new page in its
4374   // own process:
4375   // The parent page must open a new tab to about:blank, set the new tab's
4376   // window.opener to null, and then redirect the tab to a cross-site URL using
4377   // JavaScript.
4378   //
4379   // TODO(creis): Deprecate this logic once we can rely on rel=noreferrer
4380   // (see below).
4381   bool is_fork =
4382       // Must start from a tab showing about:blank, which is later redirected.
4383       old_url == GURL(url::kAboutBlankURL) &&
4384       // Must be the first real navigation of the tab.
4385       render_view_->historyBackListCount() < 1 &&
4386       render_view_->historyForwardListCount() < 1 &&
4387       // The parent page must have set the child's window.opener to null before
4388       // redirecting to the desired URL.
4389       info.frame->opener() == NULL &&
4390       // Must be a top-level frame.
4391       info.frame->parent() == NULL &&
4392       // Must not have issued the request from this page.
4393       is_content_initiated &&
4394       // Must be targeted at the current tab.
4395       info.defaultPolicy == blink::WebNavigationPolicyCurrentTab &&
4396       // Must be a JavaScript navigation, which appears as "other".
4397       info.navigationType == blink::WebNavigationTypeOther;
4398
4399   if (is_fork) {
4400     // Open the URL via the browser, not via WebKit.
4401     OpenURL(info.frame, url, Referrer(), info.defaultPolicy);
4402     return blink::WebNavigationPolicyIgnore;
4403   }
4404
4405   // PlzNavigate: if the navigation is not synchronous, send it to the browser.
4406   // This includes navigations with no request being sent to the network stack.
4407   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
4408           switches::kEnableBrowserSideNavigation) &&
4409       info.urlRequest.checkForBrowserSideNavigation() &&
4410       ShouldMakeNetworkRequestForURL(url)) {
4411     BeginNavigation(&info.urlRequest);
4412     return blink::WebNavigationPolicyIgnore;
4413   }
4414
4415   return info.defaultPolicy;
4416 }
4417
4418 void RenderFrameImpl::OpenURL(WebFrame* frame,
4419                               const GURL& url,
4420                               const Referrer& referrer,
4421                               WebNavigationPolicy policy) {
4422   DCHECK_EQ(frame_, frame);
4423
4424   FrameHostMsg_OpenURL_Params params;
4425   params.url = url;
4426   params.referrer = referrer;
4427   params.disposition = RenderViewImpl::NavigationPolicyToDisposition(policy);
4428   WebDataSource* ds = frame->provisionalDataSource();
4429   if (ds) {
4430     DocumentState* document_state = DocumentState::FromDataSource(ds);
4431     NavigationStateImpl* navigation_state =
4432         static_cast<NavigationStateImpl*>(document_state->navigation_state());
4433     if (navigation_state->IsContentInitiated()) {
4434       params.should_replace_current_entry =
4435           ds->replacesCurrentHistoryItem() &&
4436           render_view_->history_list_length_;
4437     } else {
4438       // This is necessary to preserve the should_replace_current_entry value on
4439       // cross-process redirects, in the event it was set by a previous process.
4440       //
4441       // TODO(davidben): Avoid this awkward duplication of state. See comment on
4442       // NavigationState::should_replace_current_entry().
4443       params.should_replace_current_entry =
4444           navigation_state->common_params().should_replace_current_entry;
4445     }
4446   } else {
4447     params.should_replace_current_entry = false;
4448   }
4449   params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
4450   if (GetContentClient()->renderer()->AllowPopup())
4451     params.user_gesture = true;
4452
4453   if (policy == blink::WebNavigationPolicyNewBackgroundTab ||
4454       policy == blink::WebNavigationPolicyNewForegroundTab ||
4455       policy == blink::WebNavigationPolicyNewWindow ||
4456       policy == blink::WebNavigationPolicyNewPopup) {
4457     WebUserGestureIndicator::consumeUserGesture();
4458   }
4459
4460   Send(new FrameHostMsg_OpenURL(routing_id_, params));
4461 }
4462
4463 void RenderFrameImpl::NavigateInternal(
4464     const CommonNavigationParams& common_params,
4465     const StartNavigationParams& start_params,
4466     const RequestNavigationParams& request_params,
4467     scoped_ptr<StreamOverrideParameters> stream_params) {
4468   bool browser_side_navigation =
4469       base::CommandLine::ForCurrentProcess()->HasSwitch(
4470           switches::kEnableBrowserSideNavigation);
4471   bool is_reload = IsReload(common_params.navigation_type);
4472   bool is_history_navigation = request_params.page_state.IsValid();
4473   WebURLRequest::CachePolicy cache_policy =
4474       WebURLRequest::UseProtocolCachePolicy;
4475   RenderFrameImpl::PrepareRenderViewForNavigation(
4476       common_params.url, request_params, &is_reload, &cache_policy);
4477
4478   GetContentClient()->SetActiveURL(common_params.url);
4479
4480   // If this frame isn't in the same process as the main frame, it may naively
4481   // assume that this is the first navigation in the iframe, but this may not
4482   // actually be the case. Inform the frame's state machine if this frame has
4483   // already committed other loads.
4484   if (request_params.has_committed_real_load && frame_->parent())
4485     frame_->setCommittedFirstRealLoad();
4486
4487   if (is_reload && !render_view_->history_controller()->GetCurrentEntry()) {
4488     // We cannot reload if we do not have any history state.  This happens, for
4489     // example, when recovering from a crash.
4490     is_reload = false;
4491     cache_policy = WebURLRequest::ReloadIgnoringCacheData;
4492   }
4493
4494   pending_navigation_params_.reset(
4495       new NavigationParams(common_params, start_params, request_params));
4496
4497   // Create parameters for a standard navigation.
4498   blink::WebFrameLoadType load_type = blink::WebFrameLoadType::Standard;
4499   bool should_load_request = false;
4500   WebHistoryItem item_for_history_navigation;
4501   WebURLRequest request = CreateURLRequestForNavigation(
4502       common_params, stream_params.Pass(), frame_->isViewSourceModeEnabled());
4503 #if defined(OS_ANDROID)
4504   request.setHasUserGesture(start_params.has_user_gesture);
4505 #endif
4506
4507   // PlzNavigate: Make sure that Blink's loader will not try to use browser side
4508   // navigation for this request (since it already went to the browser).
4509   if (browser_side_navigation)
4510     request.setCheckForBrowserSideNavigation(false);
4511
4512   // If we are reloading, then use the history state of the current frame.
4513   // Otherwise, if we have history state, then we need to navigate to it, which
4514   // corresponds to a back/forward navigation event. Update the parameters
4515   // depending on the navigation type.
4516   if (is_reload) {
4517     bool ignore_cache = (common_params.navigation_type ==
4518                          FrameMsg_Navigate_Type::RELOAD_IGNORING_CACHE);
4519     load_type = ignore_cache ? blink::WebFrameLoadType::ReloadFromOrigin
4520                              : blink::WebFrameLoadType::Reload;
4521
4522     if (!browser_side_navigation) {
4523       const GURL override_url =
4524           (common_params.navigation_type ==
4525            FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL)
4526               ? common_params.url
4527               : GURL();
4528       request = frame_->requestForReload(load_type, override_url);
4529     }
4530     should_load_request = true;
4531   } else if (is_history_navigation) {
4532     // We must know the page ID of the page we are navigating back to.
4533     DCHECK_NE(request_params.page_id, -1);
4534     // We must know the nav entry ID of the page we are navigating back to,
4535     // which should be the case because history navigations are routed via the
4536     // browser.
4537     DCHECK_NE(0, request_params.nav_entry_id);
4538     scoped_ptr<HistoryEntry> entry =
4539         PageStateToHistoryEntry(request_params.page_state);
4540     if (entry) {
4541       // Ensure we didn't save the swapped out URL in UpdateState, since the
4542       // browser should never be telling us to navigate to swappedout://.
4543       CHECK(entry->root().urlString() != WebString::fromUTF8(kSwappedOutURL));
4544
4545       if (!browser_side_navigation) {
4546         scoped_ptr<NavigationParams> navigation_params(
4547             new NavigationParams(*pending_navigation_params_.get()));
4548         if (!SiteIsolationPolicy::UseSubframeNavigationEntries()) {
4549           // By default, tell the HistoryController to go the deserialized
4550           // HistoryEntry.  This only works if all frames are in the same
4551           // process.
4552           DCHECK(!frame_->parent());
4553           render_view_->history_controller()->GoToEntry(
4554               frame_, entry.Pass(), navigation_params.Pass(), cache_policy);
4555         } else {
4556           // In --site-per-process, the browser process sends a single
4557           // WebHistoryItem destined for this frame.
4558           // TODO(creis): Change PageState to FrameState.  In the meantime, we
4559           // store the relevant frame's WebHistoryItem in the root of the
4560           // PageState.
4561           SetPendingNavigationParams(navigation_params.Pass());
4562           blink::WebHistoryItem history_item = entry->root();
4563           blink::WebHistoryLoadType load_type =
4564               request_params.is_same_document_history_load
4565                   ? blink::WebHistorySameDocumentLoad
4566                   : blink::WebHistoryDifferentDocumentLoad;
4567
4568           // Let the history controller know the provisional entry, since it is
4569           // used at commit time.  Otherwise skip GoToEntry and navigate the
4570           // frame directly.
4571           // TODO(creis): Consider cloning the current entry to handle subframe
4572           // cases.  Changes to SendUpdateState might affect this.
4573           render_view_->history_controller()->set_provisional_entry(
4574               entry.Pass());
4575           WebURLRequest request =
4576               frame_->requestFromHistoryItem(history_item, cache_policy);
4577           frame_->load(request, blink::WebFrameLoadType::BackForward,
4578                        history_item, load_type);
4579         }
4580       } else {
4581         // TODO(clamy): this should be set to the HistoryItem sent by the
4582         // browser once the HistoryController has moved to the browser.
4583         // TODO(clamy): distinguish between different document and same document
4584         // loads.
4585         // TODO(clamy): update this for subframes history loads.
4586         item_for_history_navigation =
4587             entry->GetHistoryNodeForFrame(this)->item();
4588         load_type = blink::WebFrameLoadType::BackForward;
4589         should_load_request = true;
4590       }
4591     }
4592   } else {
4593     // Navigate to the given URL.
4594     if (!start_params.extra_headers.empty() && !browser_side_navigation) {
4595       for (net::HttpUtil::HeadersIterator i(start_params.extra_headers.begin(),
4596                                             start_params.extra_headers.end(),
4597                                             "\n");
4598            i.GetNext();) {
4599         request.addHTTPHeaderField(WebString::fromUTF8(i.name()),
4600                                    WebString::fromUTF8(i.values()));
4601       }
4602     }
4603
4604     if (start_params.is_post && !browser_side_navigation) {
4605       request.setHTTPMethod(WebString::fromUTF8("POST"));
4606
4607       // Set post data.
4608       WebHTTPBody http_body;
4609       http_body.initialize();
4610       const char* data = nullptr;
4611       if (start_params.browser_initiated_post_data.size()) {
4612         data = reinterpret_cast<const char*>(
4613             &start_params.browser_initiated_post_data.front());
4614       }
4615       http_body.appendData(
4616           WebData(data, start_params.browser_initiated_post_data.size()));
4617       request.setHTTPBody(http_body);
4618     }
4619
4620     // A session history navigation should have been accompanied by state.
4621     CHECK_EQ(request_params.page_id, -1);
4622
4623     should_load_request = true;
4624   }
4625
4626   if (should_load_request) {
4627     // Record this before starting the load. We need a lower bound of this
4628     // time to sanitize the navigationStart override set below.
4629     base::TimeTicks renderer_navigation_start = base::TimeTicks::Now();
4630
4631     // Perform a navigation to a data url if needed.
4632     if (!common_params.base_url_for_data_url.is_empty() ||
4633         (browser_side_navigation &&
4634          common_params.url.SchemeIs(url::kDataScheme))) {
4635       LoadDataURL(common_params, frame_);
4636     } else {
4637       // Load the request.
4638       frame_->toWebLocalFrame()->load(request, load_type,
4639                                       item_for_history_navigation);
4640     }
4641
4642     if (load_type == blink::WebFrameLoadType::Standard) {
4643       UpdateFrameNavigationTiming(frame_,
4644                                   request_params.browser_navigation_start,
4645                                   renderer_navigation_start);
4646     }
4647   }
4648
4649   // In case LoadRequest failed before didCreateDataSource was called.
4650   pending_navigation_params_.reset();
4651 }
4652
4653 void RenderFrameImpl::UpdateEncoding(WebFrame* frame,
4654                                      const std::string& encoding_name) {
4655   // Only update main frame's encoding_name.
4656   if (!frame->parent())
4657     Send(new FrameHostMsg_UpdateEncoding(routing_id_, encoding_name));
4658 }
4659
4660 void RenderFrameImpl::SyncSelectionIfRequired() {
4661   base::string16 text;
4662   size_t offset;
4663   gfx::Range range;
4664 #if defined(ENABLE_PLUGINS)
4665   if (render_view_->focused_pepper_plugin_) {
4666     render_view_->focused_pepper_plugin_->GetSurroundingText(&text, &range);
4667     offset = 0;  // Pepper API does not support offset reporting.
4668     // TODO(kinaba): cut as needed.
4669   } else
4670 #endif
4671   {
4672     size_t location, length;
4673     if (!GetRenderWidget()->webwidget()->caretOrSelectionRange(
4674             &location, &length)) {
4675       return;
4676     }
4677
4678     range = gfx::Range(location, location + length);
4679
4680     if (GetRenderWidget()->webwidget()->textInputInfo().type !=
4681             blink::WebTextInputTypeNone) {
4682       // If current focused element is editable, we will send 100 more chars
4683       // before and after selection. It is for input method surrounding text
4684       // feature.
4685       if (location > kExtraCharsBeforeAndAfterSelection)
4686         offset = location - kExtraCharsBeforeAndAfterSelection;
4687       else
4688         offset = 0;
4689       length = location + length - offset + kExtraCharsBeforeAndAfterSelection;
4690       WebRange webrange = WebRange::fromDocumentRange(frame_, offset, length);
4691       if (!webrange.isNull())
4692         text = webrange.toPlainText();
4693     } else {
4694       offset = location;
4695       text = frame_->selectionAsText();
4696       // http://crbug.com/101435
4697       // In some case, frame->selectionAsText() returned text's length is not
4698       // equal to the length returned from webwidget()->caretOrSelectionRange().
4699       // So we have to set the range according to text.length().
4700       range.set_end(range.start() + text.length());
4701     }
4702   }
4703
4704   // Sometimes we get repeated didChangeSelection calls from webkit when
4705   // the selection hasn't actually changed. We don't want to report these
4706   // because it will cause us to continually claim the X clipboard.
4707   if (selection_text_offset_ != offset ||
4708       selection_range_ != range ||
4709       selection_text_ != text) {
4710     selection_text_ = text;
4711     selection_text_offset_ = offset;
4712     selection_range_ = range;
4713     SetSelectedText(text, offset, range);
4714   }
4715   GetRenderWidget()->UpdateSelectionBounds();
4716 }
4717
4718 void RenderFrameImpl::InitializeUserMediaClient() {
4719   if (!RenderThreadImpl::current())  // Will be NULL during unit tests.
4720     return;
4721
4722 #if defined(ENABLE_WEBRTC)
4723   DCHECK(!web_user_media_client_);
4724   web_user_media_client_ = new UserMediaClientImpl(
4725       this,
4726       RenderThreadImpl::current()->GetPeerConnectionDependencyFactory(),
4727       make_scoped_ptr(new MediaStreamDispatcher(this)).Pass());
4728 #endif
4729 }
4730
4731 WebMediaPlayer* RenderFrameImpl::CreateWebMediaPlayerForMediaStream(
4732     WebMediaPlayerClient* client) {
4733 #if defined(ENABLE_WEBRTC)
4734 #if defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL)
4735   bool found_neon =
4736       (android_getCpuFeatures() & ANDROID_CPU_ARM_FEATURE_NEON) != 0;
4737   UMA_HISTOGRAM_BOOLEAN("Platform.WebRtcNEONFound", found_neon);
4738 #endif  // defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL)
4739   return new WebMediaPlayerMS(frame_, client, weak_factory_.GetWeakPtr(),
4740                               new RenderMediaLog(),
4741                               CreateRendererFactory());
4742 #else
4743   return NULL;
4744 #endif  // defined(ENABLE_WEBRTC)
4745 }
4746
4747 scoped_ptr<MediaStreamRendererFactory>
4748 RenderFrameImpl::CreateRendererFactory() {
4749   scoped_ptr<MediaStreamRendererFactory> factory =
4750       GetContentClient()->renderer()->CreateMediaStreamRendererFactory();
4751   if (factory.get())
4752     return factory.Pass();
4753 #if defined(ENABLE_WEBRTC)
4754   return scoped_ptr<MediaStreamRendererFactory>(
4755       new MediaStreamRendererFactoryImpl());
4756 #else
4757   return scoped_ptr<MediaStreamRendererFactory>(
4758       static_cast<MediaStreamRendererFactory*>(NULL));
4759 #endif
4760 }
4761
4762 void RenderFrameImpl::PrepareRenderViewForNavigation(
4763     const GURL& url,
4764     const RequestNavigationParams& request_params,
4765     bool* is_reload,
4766     WebURLRequest::CachePolicy* cache_policy) {
4767   DCHECK(render_view_->webview());
4768
4769   MaybeHandleDebugURL(url);
4770
4771   FOR_EACH_OBSERVER(
4772       RenderViewObserver, render_view_->observers_, Navigate(url));
4773
4774   render_view_->history_list_offset_ =
4775       request_params.current_history_list_offset;
4776   render_view_->history_list_length_ =
4777       request_params.current_history_list_length;
4778   if (request_params.should_clear_history_list) {
4779     CHECK_EQ(-1, render_view_->history_list_offset_);
4780     CHECK_EQ(0, render_view_->history_list_length_);
4781   }
4782
4783   if (!is_swapped_out_ || frame_->parent())
4784     return;
4785
4786   // This is a swapped out main frame, so swap the renderer back in.
4787   // We marked the view as hidden when swapping the view out, so be sure to
4788   // reset the visibility state before navigating to the new URL.
4789   render_view_->webview()->setVisibilityState(
4790       render_view_->visibilityState(), false);
4791
4792   // If this is an attempt to reload while we are swapped out, we should not
4793   // reload swappedout://, but the previous page, which is stored in
4794   // params.state.  Setting is_reload to false will treat this like a back
4795   // navigation to accomplish that.
4796   *is_reload = false;
4797   *cache_policy = WebURLRequest::ReloadIgnoringCacheData;
4798
4799   // We refresh timezone when a view is swapped in since timezone
4800   // can get out of sync when the system timezone is updated while
4801   // the view is swapped out.
4802   RenderThreadImpl::NotifyTimezoneChange();
4803
4804   render_view_->SetSwappedOut(false);
4805   is_swapped_out_ = false;
4806   return;
4807 }
4808
4809 void RenderFrameImpl::BeginNavigation(blink::WebURLRequest* request) {
4810   CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch(
4811       switches::kEnableBrowserSideNavigation));
4812   DCHECK(request);
4813   // TODO(clamy): Execute the beforeunload event.
4814
4815   // Note: At this stage, the goal is to apply all the modifications the
4816   // renderer wants to make to the request, and then send it to the browser, so
4817   // that the actual network request can be started. Ideally, all such
4818   // modifications should take place in willSendRequest, and in the
4819   // implementation of willSendRequest for the various InspectorAgents
4820   // (devtools).
4821   //
4822   // TODO(clamy): Apply devtools override.
4823   // TODO(clamy): Make sure that navigation requests are not modified somewhere
4824   // else in blink.
4825   willSendRequest(frame_, 0, *request, blink::WebURLResponse());
4826
4827   // TODO(clamy): Same-document navigations should not be sent back to the
4828   // browser.
4829   // TODO(clamy): Data urls should not be sent back to the browser either.
4830   bool should_replace_current_entry = false;
4831   WebDataSource* provisional_data_source = frame_->provisionalDataSource();
4832   WebDataSource* current_data_source = frame_->dataSource();
4833   WebDataSource* data_source =
4834       provisional_data_source ? provisional_data_source : current_data_source;
4835
4836   // The current entry can only be replaced if there already is an entry in the
4837   // history list.
4838   if (data_source && render_view_->history_list_length_ > 0) {
4839     should_replace_current_entry = data_source->replacesCurrentHistoryItem();
4840   }
4841   Send(new FrameHostMsg_BeginNavigation(
4842       routing_id_,
4843       MakeCommonNavigationParams(request, should_replace_current_entry),
4844       BeginNavigationParams(
4845           request->httpMethod().latin1(), GetWebURLRequestHeaders(*request),
4846           GetLoadFlagsForWebURLRequest(*request), request->hasUserGesture()),
4847       GetRequestBodyForWebURLRequest(*request)));
4848 }
4849
4850 void RenderFrameImpl::LoadDataURL(const CommonNavigationParams& params,
4851                                   WebFrame* frame) {
4852   // A loadData request with a specified base URL.
4853   std::string mime_type, charset, data;
4854   if (net::DataURL::Parse(params.url, &mime_type, &charset, &data)) {
4855     const GURL base_url = params.base_url_for_data_url.is_empty() ?
4856         params.url : params.base_url_for_data_url;
4857     frame->loadData(
4858         WebData(data.c_str(), data.length()),
4859         WebString::fromUTF8(mime_type),
4860         WebString::fromUTF8(charset),
4861         base_url,
4862         params.history_url_for_data_url,
4863         false);
4864   } else {
4865     CHECK(false) << "Invalid URL passed: "
4866                  << params.url.possibly_invalid_spec();
4867   }
4868 }
4869
4870 void RenderFrameImpl::SendFailedProvisionalLoad(
4871     const blink::WebURLRequest& request,
4872     const blink::WebURLError& error,
4873     blink::WebLocalFrame* frame) {
4874   bool show_repost_interstitial =
4875       (error.reason == net::ERR_CACHE_MISS &&
4876        base::EqualsASCII(base::StringPiece16(request.httpMethod()), "POST"));
4877
4878   FrameHostMsg_DidFailProvisionalLoadWithError_Params params;
4879   params.error_code = error.reason;
4880   GetContentClient()->renderer()->GetNavigationErrorStrings(
4881       render_view_.get(), frame, request, error, NULL,
4882       &params.error_description);
4883   params.url = error.unreachableURL;
4884   params.showing_repost_interstitial = show_repost_interstitial;
4885   params.was_ignored_by_handler = error.wasIgnoredByHandler;
4886   Send(new FrameHostMsg_DidFailProvisionalLoadWithError(routing_id_, params));
4887 }
4888
4889 bool RenderFrameImpl::ShouldDisplayErrorPageForFailedLoad(
4890     int error_code,
4891     const GURL& unreachable_url) {
4892   // Don't display an error page if this is simply a cancelled load.  Aside
4893   // from being dumb, Blink doesn't expect it and it will cause a crash.
4894   if (error_code == net::ERR_ABORTED)
4895     return false;
4896
4897   // Don't display "client blocked" error page if browser has asked us not to.
4898   if (error_code == net::ERR_BLOCKED_BY_CLIENT &&
4899       render_view_->renderer_preferences_.disable_client_blocked_error_page) {
4900     return false;
4901   }
4902
4903   // Allow the embedder to suppress an error page.
4904   if (GetContentClient()->renderer()->ShouldSuppressErrorPage(
4905           this, unreachable_url)) {
4906     return false;
4907   }
4908
4909   if (RenderThreadImpl::current() &&
4910       RenderThreadImpl::current()->layout_test_mode()) {
4911     return false;
4912   }
4913
4914   return true;
4915 }
4916
4917 GURL RenderFrameImpl::GetLoadingUrl() const {
4918   WebDataSource* ds = frame_->dataSource();
4919   if (ds->hasUnreachableURL())
4920     return ds->unreachableURL();
4921
4922   const WebURLRequest& request = ds->request();
4923   return request.url();
4924 }
4925
4926 void RenderFrameImpl::PopulateDocumentStateFromPending(
4927     DocumentState* document_state) {
4928   document_state->set_request_time(
4929       pending_navigation_params_->request_params.request_time);
4930
4931   InternalDocumentStateData* internal_data =
4932       InternalDocumentStateData::FromDocumentState(document_state);
4933
4934   if (!pending_navigation_params_->common_params.url.SchemeIs(
4935           url::kJavaScriptScheme) &&
4936       pending_navigation_params_->common_params.navigation_type ==
4937           FrameMsg_Navigate_Type::RESTORE) {
4938     // We're doing a load of a page that was restored from the last session. By
4939     // default this prefers the cache over loading (LOAD_PREFERRING_CACHE) which
4940     // can result in stale data for pages that are set to expire. We explicitly
4941     // override that by setting the policy here so that as necessary we load
4942     // from the network.
4943     //
4944     // TODO(davidben): Remove this in favor of passing a cache policy to the
4945     // loadHistoryItem call in OnNavigate. That requires not overloading
4946     // UseProtocolCachePolicy to mean both "normal load" and "determine cache
4947     // policy based on load type, etc".
4948     internal_data->set_cache_policy_override(
4949         WebURLRequest::UseProtocolCachePolicy);
4950   }
4951
4952   if (IsReload(pending_navigation_params_->common_params.navigation_type))
4953     document_state->set_load_type(DocumentState::RELOAD);
4954   else if (pending_navigation_params_->request_params.page_state.IsValid())
4955     document_state->set_load_type(DocumentState::HISTORY_LOAD);
4956   else
4957     document_state->set_load_type(DocumentState::NORMAL_LOAD);
4958
4959   internal_data->set_is_overriding_user_agent(
4960       pending_navigation_params_->request_params.is_overriding_user_agent);
4961   internal_data->set_must_reset_scroll_and_scale_state(
4962       pending_navigation_params_->common_params.navigation_type ==
4963       FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL);
4964   document_state->set_can_load_local_resources(
4965       pending_navigation_params_->request_params.can_load_local_resources);
4966 }
4967
4968 NavigationState* RenderFrameImpl::CreateNavigationStateFromPending() {
4969   // A navigation resulting from loading a javascript URL should not be treated
4970   // as a browser initiated event.  Instead, we want it to look as if the page
4971   // initiated any load resulting from JS execution.
4972   if (!pending_navigation_params_->common_params.url.SchemeIs(
4973           url::kJavaScriptScheme)) {
4974     return NavigationStateImpl::CreateBrowserInitiated(
4975         pending_navigation_params_->common_params,
4976         pending_navigation_params_->start_params,
4977         pending_navigation_params_->request_params);
4978   }
4979   return NavigationStateImpl::CreateContentInitiated();
4980 }
4981
4982 #if defined(OS_ANDROID)
4983 WebMediaPlayer* RenderFrameImpl::CreateAndroidWebMediaPlayer(
4984     WebMediaPlayerClient* client,
4985     WebMediaPlayerEncryptedMediaClient* encrypted_client,
4986     const media::WebMediaPlayerParams& params) {
4987   scoped_refptr<StreamTextureFactory> stream_texture_factory;
4988   if (SynchronousCompositorFactory* factory =
4989           SynchronousCompositorFactory::GetInstance()) {
4990     stream_texture_factory = factory->CreateStreamTextureFactory(routing_id_);
4991   } else {
4992     GpuChannelHost* gpu_channel_host =
4993         RenderThreadImpl::current()->EstablishGpuChannelSync(
4994             CAUSE_FOR_GPU_LAUNCH_VIDEODECODEACCELERATOR_INITIALIZE);
4995
4996     if (!gpu_channel_host) {
4997       LOG(ERROR) << "Failed to establish GPU channel for media player";
4998       return NULL;
4999     }
5000
5001     scoped_refptr<cc_blink::ContextProviderWebContext> context_provider =
5002         RenderThreadImpl::current()->SharedMainThreadContextProvider();
5003
5004     if (!context_provider.get()) {
5005       LOG(ERROR) << "Failed to get context3d for media player";
5006       return NULL;
5007     }
5008
5009     stream_texture_factory = StreamTextureFactoryImpl::Create(
5010         context_provider, gpu_channel_host, routing_id_);
5011   }
5012
5013   return new WebMediaPlayerAndroid(
5014       frame_, client, encrypted_client, weak_factory_.GetWeakPtr(),
5015       GetMediaPlayerManager(), GetCdmFactory(), stream_texture_factory, params);
5016 }
5017
5018 RendererMediaPlayerManager* RenderFrameImpl::GetMediaPlayerManager() {
5019   if (!media_player_manager_)
5020     media_player_manager_ = new RendererMediaPlayerManager(this);
5021   return media_player_manager_;
5022 }
5023 #endif  // defined(OS_ANDROID)
5024
5025 media::MediaPermission* RenderFrameImpl::GetMediaPermission() {
5026   if (!media_permission_dispatcher_)
5027     media_permission_dispatcher_ = new MediaPermissionDispatcher(this);
5028   return media_permission_dispatcher_;
5029 }
5030
5031 #if defined(ENABLE_MOJO_MEDIA)
5032 media::interfaces::ServiceFactory* RenderFrameImpl::GetMediaServiceFactory() {
5033   if (!media_service_factory_) {
5034     mojo::ServiceProviderPtr service_provider =
5035         ConnectToApplication(GURL("mojo:media"));
5036     mojo::ConnectToService(service_provider.get(), &media_service_factory_);
5037     media_service_factory_.set_connection_error_handler(
5038         base::Bind(&RenderFrameImpl::OnMediaServiceFactoryConnectionError,
5039                    base::Unretained(this)));
5040   }
5041
5042   return media_service_factory_.get();
5043 }
5044
5045 void RenderFrameImpl::OnMediaServiceFactoryConnectionError() {
5046   // TODO(xhwang): Resetting |media_service_factory_| could cause access
5047   // violation on the old |media_service_factory_| by outstanding
5048   // media::CdmFactory or media::RendererFactory. Find a better way to handle
5049   // this.
5050   // media_service_factory_.reset();
5051 }
5052 #endif
5053
5054 bool RenderFrameImpl::AreSecureCodecsSupported() {
5055 #if defined(OS_ANDROID)
5056   // Hardware-secure codecs are only supported if secure surfaces are enabled.
5057   return render_view_->renderer_preferences_
5058       .use_video_overlay_for_embedded_encrypted_video;
5059 #else
5060   return false;
5061 #endif  // defined(OS_ANDROID)
5062 }
5063
5064 media::CdmFactory* RenderFrameImpl::GetCdmFactory() {
5065 #if defined(ENABLE_BROWSER_CDMS)
5066   if (!cdm_manager_)
5067     cdm_manager_ = new RendererCdmManager(this);
5068 #endif  // defined(ENABLE_BROWSER_CDMS)
5069
5070   if (!cdm_factory_) {
5071     DCHECK(frame_);
5072
5073 #if defined(ENABLE_MOJO_MEDIA)
5074     cdm_factory_.reset(new media::MojoCdmFactory(GetMediaServiceFactory()));
5075 #else
5076     cdm_factory_.reset(new RenderCdmFactory(
5077 #if defined(ENABLE_PEPPER_CDMS)
5078         base::Bind(&PepperCdmWrapperImpl::Create, frame_)
5079 #elif defined(ENABLE_BROWSER_CDMS)
5080         cdm_manager_
5081 #endif
5082         ));
5083 #endif  //  defined(ENABLE_MOJO_MEDIA)
5084   }
5085
5086   return cdm_factory_.get();
5087 }
5088
5089 void RenderFrameImpl::RegisterMojoServices() {
5090   // Only main frame have ImageDownloader service.
5091   if (!frame_->parent()) {
5092     GetServiceRegistry()->AddService<image_downloader::ImageDownloader>(
5093         base::Bind(&ImageDownloaderImpl::CreateMojoService,
5094                    base::Unretained(this)));
5095   }
5096 }
5097
5098 mojo::ServiceProviderPtr RenderFrameImpl::ConnectToApplication(
5099     const GURL& url) {
5100   DCHECK(mojo_shell_);
5101   mojo::ServiceProviderPtr service_provider;
5102   mojo::URLRequestPtr request(mojo::URLRequest::New());
5103   request->url = mojo::String::From(url);
5104   mojo_shell_->ConnectToApplication(request.Pass(), GetProxy(&service_provider),
5105                                     nullptr, nullptr,
5106                                     base::Bind(&OnGotContentHandlerID));
5107   return service_provider.Pass();
5108 }
5109
5110 }  // namespace content