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