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/blink/webmediaplayer_params.h"
 117 #include "media/renderers/gpu_video_accelerator_factories.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/web/WebColorSuggestion.h"
 129 #include "third_party/WebKit/public/web/WebDocument.h"
 130 #include "third_party/WebKit/public/web/WebFrameWidget.h"
 131 #include "third_party/WebKit/public/web/WebGlyphCache.h"
 132 #include "third_party/WebKit/public/web/WebKit.h"
 133 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 134 #include "third_party/WebKit/public/web/WebMediaStreamRegistry.h"
 135 #include "third_party/WebKit/public/web/WebNavigationPolicy.h"
 136 #include "third_party/WebKit/public/web/WebPlugin.h"
 137 #include "third_party/WebKit/public/web/WebPluginParams.h"
 138 #include "third_party/WebKit/public/web/WebPluginPlaceholder.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 #endif
 178
 179 #if defined(ENABLE_PEPPER_CDMS)
 180 #include "content/renderer/media/crypto/pepper_cdm_wrapper_impl.h"
 181 #elif defined(ENABLE_BROWSER_CDMS)
 182 #include "content/renderer/media/crypto/renderer_cdm_manager.h"
 183 #endif
 184
 185 #if defined(ENABLE_MOJO_MEDIA)
 186 #include "media/mojo/services/mojo_cdm_factory.h"
 187 #include "media/mojo/services/mojo_renderer_factory.h"
 188 #include "mojo/application/public/cpp/connect.h"
 189 #include "mojo/application/public/interfaces/shell.mojom.h"
 190 #include "third_party/mojo/src/mojo/public/cpp/bindings/interface_request.h"
 191 #else
 192 #include "media/renderers/default_renderer_factory.h"
 193 #endif
 194
 195 #if defined(ENABLE_WEBVR)
 196 #include "content/renderer/vr/vr_dispatcher.h"
 197 #endif
 198
 199 using blink::WebContentDecryptionModule;
 200 using blink::WebContextMenuData;
 201 using blink::WebData;
 202 using blink::WebDataSource;
 203 using blink::WebDocument;
 204 using blink::WebDOMEvent;
 205 using blink::WebDOMMessageEvent;
 206 using blink::WebElement;
 207 using blink::WebExternalPopupMenu;
 208 using blink::WebExternalPopupMenuClient;
 209 using blink::WebFrame;
 210 using blink::WebHistoryItem;
 211 using blink::WebHTTPBody;
 212 using blink::WebLocalFrame;
 213 using blink::WebMediaPlayer;
 214 using blink::WebMediaPlayerClient;
 215 using blink::WebMediaPlayerEncryptedMediaClient;
 216 using blink::WebNavigationPolicy;
 217 using blink::WebNavigationType;
 218 using blink::WebNode;
 219 using blink::WebPluginParams;
 220 using blink::WebPopupMenuInfo;
 221 using blink::WebRange;
 222 using blink::WebReferrerPolicy;
 223 using blink::WebScriptSource;
 224 using blink::WebSearchableFormData;
 225 using blink::WebSecurityOrigin;
 226 using blink::WebSecurityPolicy;
 227 using blink::WebSerializedScriptValue;
 228 using blink::WebServiceWorkerProvider;
 229 using blink::WebSettings;
 230 using blink::WebStorageQuotaCallbacks;
 231 using blink::WebString;
 232 using blink::WebURL;
 233 using blink::WebURLError;
 234 using blink::WebURLRequest;
 235 using blink::WebURLResponse;
 236 using blink::WebUserGestureIndicator;
 237 using blink::WebVector;
 238 using blink::WebView;
 239 using base::Time;
 240 using base::TimeDelta;
 241
 242 namespace content {
 243
 244 namespace {
 245
 246 const char kDefaultAcceptHeader[] =
 247     "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/"
 248     "*;q=0.8";
 249 const char kAcceptHeader[] = "Accept";
 250
 251 const size_t kExtraCharsBeforeAndAfterSelection = 100;
 252
 253 typedef std::map<int, RenderFrameImpl*> RoutingIDFrameMap;
 254 static base::LazyInstance<RoutingIDFrameMap> g_routing_id_frame_map =
 255     LAZY_INSTANCE_INITIALIZER;
 256
 257 typedef std::map<blink::WebFrame*, RenderFrameImpl*> FrameMap;
 258 base::LazyInstance<FrameMap> g_frame_map = LAZY_INSTANCE_INITIALIZER;
 259
 260 int64 ExtractPostId(HistoryEntry* entry) {
 261   if (!entry)
 262     return -1;
 263
 264   const WebHistoryItem& item = entry->root();
 265   if (item.isNull() || item.httpBody().isNull())
 266     return -1;
 267
 268   return item.httpBody().identifier();
 269 }
 270
 271 WebURLResponseExtraDataImpl* GetExtraDataFromResponse(
 272     const WebURLResponse& response) {
 273   return static_cast<WebURLResponseExtraDataImpl*>(response.extraData());
 274 }
 275
 276 void GetRedirectChain(WebDataSource* ds, std::vector<GURL>* result) {
 277   // Replace any occurrences of swappedout:// with about:blank.
 278   const WebURL& blank_url = GURL(url::kAboutBlankURL);
 279   WebVector<WebURL> urls;
 280   ds->redirectChain(urls);
 281   result->reserve(urls.size());
 282   for (size_t i = 0; i < urls.size(); ++i) {
 283     if (urls[i] != GURL(kSwappedOutURL))
 284       result->push_back(urls[i]);
 285     else
 286       result->push_back(blank_url);
 287   }
 288 }
 289
 290 // Returns the original request url. If there is no redirect, the original
 291 // url is the same as ds->request()->url(). If the WebDataSource belongs to a
 292 // frame was loaded by loadData, the original url will be ds->unreachableURL()
 293 GURL GetOriginalRequestURL(WebDataSource* ds) {
 294   // WebDataSource has unreachable URL means that the frame is loaded through
 295   // blink::WebFrame::loadData(), and the base URL will be in the redirect
 296   // chain. However, we never visited the baseURL. So in this case, we should
 297   // use the unreachable URL as the original URL.
 298   if (ds->hasUnreachableURL())
 299     return ds->unreachableURL();
 300
 301   std::vector<GURL> redirects;
 302   GetRedirectChain(ds, &redirects);
 303   if (!redirects.empty())
 304     return redirects.at(0);
 305
 306   return ds->originalRequest().url();
 307 }
 308
 309 NOINLINE void CrashIntentionally() {
 310   // NOTE(shess): Crash directly rather than using NOTREACHED() so
 311   // that the signature is easier to triage in crash reports.
 312   volatile int* zero = NULL;
 313   *zero = 0;
 314 }
 315
 316 NOINLINE void BadCastCrashIntentionally() {
 317   class A {
 318     virtual void f() {}
 319   };
 320
 321   class B {
 322     virtual void f() {}
 323   };
 324
 325   A a;
 326   (void)(B*)&a;
 327 }
 328
 329 #if defined(ADDRESS_SANITIZER) || defined(SYZYASAN)
 330 NOINLINE void MaybeTriggerAsanError(const GURL& url) {
 331   // NOTE(rogerm): We intentionally perform an invalid heap access here in
 332   //     order to trigger an Address Sanitizer (ASAN) error report.
 333   const char kCrashDomain[] = "crash";
 334   const char kHeapOverflow[] = "/heap-overflow";
 335   const char kHeapUnderflow[] = "/heap-underflow";
 336   const char kUseAfterFree[] = "/use-after-free";
 337 #if defined(SYZYASAN)
 338   const char kCorruptHeapBlock[] = "/corrupt-heap-block";
 339   const char kCorruptHeap[] = "/corrupt-heap";
 340 #endif
 341
 342   if (!url.DomainIs(kCrashDomain))
 343     return;
 344
 345   if (!url.has_path())
 346     return;
 347
 348   std::string crash_type(url.path());
 349   if (crash_type == kHeapOverflow) {
 350     base::debug::AsanHeapOverflow();
 351   } else if (crash_type == kHeapUnderflow ) {
 352     base::debug::AsanHeapUnderflow();
 353   } else if (crash_type == kUseAfterFree) {
 354     base::debug::AsanHeapUseAfterFree();
 355 #if defined(SYZYASAN)
 356   } else if (crash_type == kCorruptHeapBlock) {
 357     base::debug::AsanCorruptHeapBlock();
 358   } else if (crash_type == kCorruptHeap) {
 359     base::debug::AsanCorruptHeap();
 360 #endif
 361   }
 362 }
 363 #endif  // ADDRESS_SANITIZER || SYZYASAN
 364
 365 void MaybeHandleDebugURL(const GURL& url) {
 366   if (!url.SchemeIs(kChromeUIScheme))
 367     return;
 368   if (url == GURL(kChromeUIBadCastCrashURL)) {
 369     BadCastCrashIntentionally();
 370   } else if (url == GURL(kChromeUICrashURL)) {
 371     CrashIntentionally();
 372   } else if (url == GURL(kChromeUIDumpURL)) {
 373     // This URL will only correctly create a crash dump file if content is
 374     // hosted in a process that has correctly called
 375     // base::debug::SetDumpWithoutCrashingFunction.  Refer to the documentation
 376     // of base::debug::DumpWithoutCrashing for more details.
 377     base::debug::DumpWithoutCrashing();
 378   } else if (url == GURL(kChromeUIKillURL)) {
 379     base::Process::Current().Terminate(1, false);
 380   } else if (url == GURL(kChromeUIHangURL)) {
 381     for (;;) {
 382       base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(1));
 383     }
 384   } else if (url == GURL(kChromeUIShorthangURL)) {
 385     base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(20));
 386   }
 387
 388 #if defined(ADDRESS_SANITIZER) || defined(SYZYASAN)
 389   MaybeTriggerAsanError(url);
 390 #endif  // ADDRESS_SANITIZER || SYZYASAN
 391 }
 392
 393 // Returns false unless this is a top-level navigation.
 394 bool IsTopLevelNavigation(WebFrame* frame) {
 395   return frame->parent() == NULL;
 396 }
 397
 398 // Returns false unless this is a top-level navigation that crosses origins.
 399 bool IsNonLocalTopLevelNavigation(const GURL& url,
 400                                   WebFrame* frame,
 401                                   WebNavigationType type,
 402                                   bool is_form_post) {
 403   if (!IsTopLevelNavigation(frame))
 404     return false;
 405
 406   // Navigations initiated within Webkit are not sent out to the external host
 407   // in the following cases.
 408   // 1. The url scheme is not http/https
 409   // 2. The origin of the url and the opener is the same in which case the
 410   //    opener relationship is maintained.
 411   // 3. Reloads/form submits/back forward navigations
 412   if (!url.SchemeIs(url::kHttpScheme) && !url.SchemeIs(url::kHttpsScheme))
 413     return false;
 414
 415   if (type != blink::WebNavigationTypeReload &&
 416       type != blink::WebNavigationTypeBackForward && !is_form_post) {
 417     // The opener relationship between the new window and the parent allows the
 418     // new window to script the parent and vice versa. This is not allowed if
 419     // the origins of the two domains are different. This can be treated as a
 420     // top level navigation and routed back to the host.
 421     blink::WebFrame* opener = frame->opener();
 422     if (!opener)
 423       return true;
 424
 425     if (url.GetOrigin() != GURL(opener->document().url()).GetOrigin())
 426       return true;
 427   }
 428   return false;
 429 }
 430
 431 WebURLRequest CreateURLRequestForNavigation(
 432     const CommonNavigationParams& common_params,
 433     scoped_ptr<StreamOverrideParameters> stream_override,
 434     bool is_view_source_mode_enabled) {
 435   WebURLRequest request(common_params.url);
 436   if (is_view_source_mode_enabled)
 437     request.setCachePolicy(WebURLRequest::ReturnCacheDataElseLoad);
 438
 439   if (common_params.referrer.url.is_valid()) {
 440     WebString web_referrer = WebSecurityPolicy::generateReferrerHeader(
 441         common_params.referrer.policy,
 442         common_params.url,
 443         WebString::fromUTF8(common_params.referrer.url.spec()));
 444     if (!web_referrer.isEmpty())
 445       request.setHTTPReferrer(web_referrer, common_params.referrer.policy);
 446   }
 447
 448   RequestExtraData* extra_data = new RequestExtraData();
 449   extra_data->set_stream_override(stream_override.Pass());
 450   request.setExtraData(extra_data);
 451
 452   // Set the ui timestamp for this navigation. Currently the timestamp here is
 453   // only non empty when the navigation was triggered by an Android intent. The
 454   // timestamp is converted to a double version supported by blink. It will be
 455   // passed back to the browser in the DidCommitProvisionalLoad and the
 456   // DocumentLoadComplete IPCs.
 457   base::TimeDelta ui_timestamp = common_params.ui_timestamp - base::TimeTicks();
 458   request.setUiStartTime(ui_timestamp.InSecondsF());
 459   request.setInputPerfMetricReportPolicy(
 460       static_cast<WebURLRequest::InputToLoadPerfMetricReportPolicy>(
 461           common_params.report_type));
 462   return request;
 463 }
 464
 465 void UpdateFrameNavigationTiming(WebFrame* frame,
 466                                  base::TimeTicks browser_navigation_start,
 467                                  base::TimeTicks renderer_navigation_start) {
 468   // The browser provides the navigation_start time to bootstrap the
 469   // Navigation Timing information for the browser-initiated navigations. In
 470   // case of cross-process navigations, this carries over the time of
 471   // finishing the onbeforeunload handler of the previous page.
 472   DCHECK(!browser_navigation_start.is_null());
 473   if (frame->provisionalDataSource()) {
 474     // |browser_navigation_start| is likely before this process existed, so we
 475     // can't use InterProcessTimeTicksConverter. We need at least to ensure
 476     // that the browser-side navigation start we set is not later than the one
 477     // on the renderer side.
 478     base::TimeTicks navigation_start = std::min(
 479         browser_navigation_start, renderer_navigation_start);
 480     double navigation_start_seconds =
 481         (navigation_start - base::TimeTicks()).InSecondsF();
 482     frame->provisionalDataSource()->setNavigationStartTime(
 483         navigation_start_seconds);
 484     // TODO(clamy): We need to provide additional timing values for the
 485     // Navigation Timing API to work with browser-side navigations.
 486   }
 487 }
 488
 489 // PlzNavigate
 490 CommonNavigationParams MakeCommonNavigationParams(
 491     blink::WebURLRequest* request,
 492     bool should_replace_current_entry) {
 493   const RequestExtraData kEmptyData;
 494   const RequestExtraData* extra_data =
 495       static_cast<RequestExtraData*>(request->extraData());
 496   if (!extra_data)
 497     extra_data = &kEmptyData;
 498   Referrer referrer(
 499       GURL(request->httpHeaderField(WebString::fromUTF8("Referer")).latin1()),
 500       request->referrerPolicy());
 501
 502   // Set the ui timestamp for this navigation. Currently the timestamp here is
 503   // only non empty when the navigation was triggered by an Android intent, or
 504   // by the user clicking on a link. The timestamp is converted from a double
 505   // version supported by blink. It will be passed back to the renderer in the
 506   // CommitNavigation IPC, and then back to the browser again in the
 507   // DidCommitProvisionalLoad and the DocumentLoadComplete IPCs.
 508   base::TimeTicks ui_timestamp =
 509       base::TimeTicks() + base::TimeDelta::FromSecondsD(request->uiStartTime());
 510   FrameMsg_UILoadMetricsReportType::Value report_type =
 511       static_cast<FrameMsg_UILoadMetricsReportType::Value>(
 512           request->inputPerfMetricReportPolicy());
 513   return CommonNavigationParams(
 514       request->url(), referrer, extra_data->transition_type(),
 515       FrameMsg_Navigate_Type::NORMAL, true, should_replace_current_entry,
 516       ui_timestamp, report_type, GURL(), GURL());
 517 }
 518
 519 #if !defined(OS_ANDROID) || defined(ENABLE_MEDIA_PIPELINE_ON_ANDROID)
 520 media::Context3D GetSharedMainThreadContext3D() {
 521   cc::ContextProvider* provider =
 522       RenderThreadImpl::current()->SharedMainThreadContextProvider().get();
 523   if (!provider)
 524     return media::Context3D();
 525   return media::Context3D(provider->ContextGL(), provider->GrContext());
 526 }
 527 #endif
 528
 529 bool IsReload(FrameMsg_Navigate_Type::Value navigation_type) {
 530   return navigation_type == FrameMsg_Navigate_Type::RELOAD ||
 531          navigation_type == FrameMsg_Navigate_Type::RELOAD_IGNORING_CACHE ||
 532          navigation_type == FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL;
 533 }
 534
 535 RenderFrameImpl::CreateRenderFrameImplFunction g_create_render_frame_impl =
 536     nullptr;
 537
 538 }  // namespace
 539
 540 // static
 541 RenderFrameImpl* RenderFrameImpl::Create(RenderViewImpl* render_view,
 542                                          int32 routing_id) {
 543   DCHECK(routing_id != MSG_ROUTING_NONE);
 544   CreateParams params(render_view, routing_id);
 545
 546   if (g_create_render_frame_impl)
 547     return g_create_render_frame_impl(params);
 548   else
 549     return new RenderFrameImpl(params);
 550 }
 551
 552 // static
 553 RenderFrame* RenderFrame::FromRoutingID(int routing_id) {
 554   return RenderFrameImpl::FromRoutingID(routing_id);
 555 }
 556
 557 // static
 558 RenderFrameImpl* RenderFrameImpl::FromRoutingID(int routing_id) {
 559   RoutingIDFrameMap::iterator iter =
 560       g_routing_id_frame_map.Get().find(routing_id);
 561   if (iter != g_routing_id_frame_map.Get().end())
 562     return iter->second;
 563   return NULL;
 564 }
 565
 566 // static
 567 void RenderFrameImpl::CreateFrame(
 568     int routing_id,
 569     int parent_routing_id,
 570     int previous_sibling_routing_id,
 571     int proxy_routing_id,
 572     const FrameReplicationState& replicated_state,
 573     CompositorDependencies* compositor_deps,
 574     const FrameMsg_NewFrame_WidgetParams& widget_params) {
 575   blink::WebLocalFrame* web_frame;
 576   RenderFrameImpl* render_frame;
 577   if (proxy_routing_id == MSG_ROUTING_NONE) {
 578     RenderFrameProxy* parent_proxy =
 579         RenderFrameProxy::FromRoutingID(parent_routing_id);
 580     // If the browser is sending a valid parent routing id, it should already
 581     // be created and registered.
 582     CHECK(parent_proxy);
 583     blink::WebRemoteFrame* parent_web_frame = parent_proxy->web_frame();
 584
 585     blink::WebFrame* previous_sibling_web_frame = nullptr;
 586     RenderFrameProxy* previous_sibling_proxy =
 587         RenderFrameProxy::FromRoutingID(previous_sibling_routing_id);
 588     if (previous_sibling_proxy)
 589       previous_sibling_web_frame = previous_sibling_proxy->web_frame();
 590
 591     // Create the RenderFrame and WebLocalFrame, linking the two.
 592     render_frame =
 593         RenderFrameImpl::Create(parent_proxy->render_view(), routing_id);
 594     web_frame = parent_web_frame->createLocalChild(
 595         replicated_state.scope, WebString::fromUTF8(replicated_state.name),
 596         replicated_state.sandbox_flags, render_frame,
 597         previous_sibling_web_frame);
 598   } else {
 599     RenderFrameProxy* proxy =
 600         RenderFrameProxy::FromRoutingID(proxy_routing_id);
 601     CHECK(proxy);
 602     render_frame = RenderFrameImpl::Create(proxy->render_view(), routing_id);
 603     web_frame =
 604         blink::WebLocalFrame::create(replicated_state.scope, render_frame);
 605     render_frame->proxy_routing_id_ = proxy_routing_id;
 606     web_frame->initializeToReplaceRemoteFrame(
 607         proxy->web_frame(), WebString::fromUTF8(replicated_state.name),
 608         replicated_state.sandbox_flags);
 609   }
 610   render_frame->SetWebFrame(web_frame);
 611   CHECK_IMPLIES(parent_routing_id == MSG_ROUTING_NONE, !web_frame->parent());
 612
 613   if (widget_params.routing_id != MSG_ROUTING_NONE) {
 614     CHECK(SiteIsolationPolicy::AreCrossProcessFramesPossible());
 615     render_frame->render_widget_ = RenderWidget::CreateForFrame(
 616         widget_params.routing_id, widget_params.surface_id,
 617         widget_params.hidden, render_frame->render_view_->screen_info(),
 618         compositor_deps, web_frame);
 619     // TODO(kenrb): Observing shouldn't be necessary when we sort out
 620     // WasShown and WasHidden, separating page-level visibility from
 621     // frame-level visibility.
 622     render_frame->render_widget_->RegisterRenderFrame(render_frame);
 623   }
 624
 625   render_frame->Initialize();
 626 }
 627
 628 // static
 629 RenderFrame* RenderFrame::FromWebFrame(blink::WebFrame* web_frame) {
 630   return RenderFrameImpl::FromWebFrame(web_frame);
 631 }
 632
 633 // static
 634 RenderFrameImpl* RenderFrameImpl::FromWebFrame(blink::WebFrame* web_frame) {
 635   FrameMap::iterator iter = g_frame_map.Get().find(web_frame);
 636   if (iter != g_frame_map.Get().end())
 637     return iter->second;
 638   return NULL;
 639 }
 640
 641 // static
 642 void RenderFrameImpl::InstallCreateHook(
 643     CreateRenderFrameImplFunction create_render_frame_impl) {
 644   CHECK(!g_create_render_frame_impl);
 645   g_create_render_frame_impl = create_render_frame_impl;
 646 }
 647
 648 // RenderFrameImpl ----------------------------------------------------------
 649 RenderFrameImpl::RenderFrameImpl(const CreateParams& params)
 650     : frame_(NULL),
 651       is_subframe_(false),
 652       is_local_root_(false),
 653       render_view_(params.render_view->AsWeakPtr()),
 654       routing_id_(params.routing_id),
 655       is_swapped_out_(false),
 656       render_frame_proxy_(NULL),
 657       is_detaching_(false),
 658       proxy_routing_id_(MSG_ROUTING_NONE),
 659 #if defined(ENABLE_PLUGINS)
 660       plugin_power_saver_helper_(NULL),
 661 #endif
 662       cookie_jar_(this),
 663       selection_text_offset_(0),
 664       selection_range_(gfx::Range::InvalidRange()),
 665       handling_select_range_(false),
 666       notification_permission_dispatcher_(NULL),
 667       web_user_media_client_(NULL),
 668       media_permission_dispatcher_(NULL),
 669       midi_dispatcher_(NULL),
 670 #if defined(OS_ANDROID)
 671       media_player_manager_(NULL),
 672 #endif
 673 #if defined(ENABLE_BROWSER_CDMS)
 674       cdm_manager_(NULL),
 675 #endif
 676 #if defined(VIDEO_HOLE)
 677       contains_media_player_(false),
 678 #endif
 679       has_played_media_(false),
 680       devtools_agent_(nullptr),
 681       geolocation_dispatcher_(NULL),
 682       push_messaging_dispatcher_(NULL),
 683       presentation_dispatcher_(NULL),
 684       screen_orientation_dispatcher_(NULL),
 685       manifest_manager_(NULL),
 686       accessibility_mode_(AccessibilityModeOff),
 687       renderer_accessibility_(NULL),
 688       weak_factory_(this) {
 689   std::pair<RoutingIDFrameMap::iterator, bool> result =
 690       g_routing_id_frame_map.Get().insert(std::make_pair(routing_id_, this));
 691   CHECK(result.second) << "Inserting a duplicate item.";
 692
 693   RenderThread::Get()->AddRoute(routing_id_, this);
 694
 695   render_view_->RegisterRenderFrame(this);
 696
 697   // Everything below subclasses RenderFrameObserver and is automatically
 698   // deleted when the RenderFrame gets deleted.
 699 #if defined(OS_ANDROID)
 700   new GinJavaBridgeDispatcher(this);
 701 #endif
 702
 703 #if defined(ENABLE_PLUGINS)
 704   plugin_power_saver_helper_ = new PluginPowerSaverHelper(this);
 705 #endif
 706
 707   manifest_manager_ = new ManifestManager(this);
 708 }
 709
 710 RenderFrameImpl::~RenderFrameImpl() {
 711   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, RenderFrameGone());
 712   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, OnDestruct());
 713
 714   base::trace_event::TraceLog::GetInstance()->RemoveProcessLabel(routing_id_);
 715
 716 #if defined(VIDEO_HOLE)
 717   if (contains_media_player_)
 718     render_view_->UnregisterVideoHoleFrame(this);
 719 #endif
 720
 721   if (!is_subframe_) {
 722     // When using swapped out frames, RenderFrameProxy is owned by
 723     // RenderFrameImpl in the case it is the main frame. Ensure it is deleted
 724     // along with this object.
 725     if (render_frame_proxy_ &&
 726         !SiteIsolationPolicy::IsSwappedOutStateForbidden()) {
 727       // The following method calls back into this object and clears
 728       // |render_frame_proxy_|.
 729       render_frame_proxy_->frameDetached(
 730           blink::WebRemoteFrameClient::DetachType::Remove);
 731     }
 732
 733     // Ensure the RenderView doesn't point to this object, once it is destroyed.
 734     // TODO(nasko): Add a check that the |main_render_frame_| of |render_view_|
 735     // is |this|, once the object is no longer leaked.
 736     // See https://crbug.com/464764.
 737     render_view_->main_render_frame_ = nullptr;
 738   }
 739
 740   render_view_->UnregisterRenderFrame(this);
 741   g_routing_id_frame_map.Get().erase(routing_id_);
 742   RenderThread::Get()->RemoveRoute(routing_id_);
 743 }
 744
 745 void RenderFrameImpl::SetWebFrame(blink::WebLocalFrame* web_frame) {
 746   DCHECK(!frame_);
 747
 748   std::pair<FrameMap::iterator, bool> result = g_frame_map.Get().insert(
 749       std::make_pair(web_frame, this));
 750   CHECK(result.second) << "Inserting a duplicate item.";
 751
 752   frame_ = web_frame;
 753 }
 754
 755 void RenderFrameImpl::Initialize() {
 756   is_subframe_ = !!frame_->parent();
 757   is_local_root_ = !frame_->parent() || frame_->parent()->isWebRemoteFrame();
 758
 759 #if defined(ENABLE_PLUGINS)
 760   new PepperBrowserConnection(this);
 761 #endif
 762   new SharedWorkerRepository(this);
 763
 764   if (is_local_root_ && !render_frame_proxy_) {
 765     // DevToolsAgent is a RenderFrameObserver, and will destruct itself
 766     // when |this| is deleted.
 767     devtools_agent_ = new DevToolsAgent(this);
 768   }
 769
 770   RegisterMojoServices();
 771
 772   // We delay calling this until we have the WebFrame so that any observer or
 773   // embedder can call GetWebFrame on any RenderFrame.
 774   GetContentClient()->renderer()->RenderFrameCreated(this);
 775 }
 776
 777 RenderWidget* RenderFrameImpl::GetRenderWidget() {
 778   return render_view_.get();
 779 }
 780
 781 #if defined(ENABLE_PLUGINS)
 782 void RenderFrameImpl::PepperPluginCreated(RendererPpapiHost* host) {
 783   FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
 784                     DidCreatePepperPlugin(host));
 785   if (host->GetPluginName() == kFlashPluginName) {
 786     RenderThread::Get()->RecordAction(
 787         base::UserMetricsAction("FrameLoadWithFlash"));
 788   }
 789 }
 790
 791 void RenderFrameImpl::PepperDidChangeCursor(
 792     PepperPluginInstanceImpl* instance,
 793     const blink::WebCursorInfo& cursor) {
 794   // Update the cursor appearance immediately if the requesting plugin is the
 795   // one which receives the last mouse event. Otherwise, the new cursor won't be
 796   // picked up until the plugin gets the next input event. That is bad if, e.g.,
 797   // the plugin would like to set an invisible cursor when there isn't any user
 798   // input for a while.
 799   if (instance == render_view_->pepper_last_mouse_event_target())
 800     GetRenderWidget()->didChangeCursor(cursor);
 801 }
 802
 803 void RenderFrameImpl::PepperDidReceiveMouseEvent(
 804     PepperPluginInstanceImpl* instance) {
 805   render_view_->set_pepper_last_mouse_event_target(instance);
 806 }
 807
 808 void RenderFrameImpl::PepperTextInputTypeChanged(
 809     PepperPluginInstanceImpl* instance) {
 810   if (instance != render_view_->focused_pepper_plugin())
 811     return;
 812
 813   GetRenderWidget()->UpdateTextInputState(
 814       RenderWidget::NO_SHOW_IME, RenderWidget::FROM_NON_IME);
 815
 816   FocusedNodeChangedForAccessibility(WebNode());
 817 }
 818
 819 void RenderFrameImpl::PepperCaretPositionChanged(
 820     PepperPluginInstanceImpl* instance) {
 821   if (instance != render_view_->focused_pepper_plugin())
 822     return;
 823   GetRenderWidget()->UpdateSelectionBounds();
 824 }
 825
 826 void RenderFrameImpl::PepperCancelComposition(
 827     PepperPluginInstanceImpl* instance) {
 828   if (instance != render_view_->focused_pepper_plugin())
 829     return;
 830   Send(new InputHostMsg_ImeCancelComposition(render_view_->GetRoutingID()));;
 831 #if defined(OS_MACOSX) || defined(USE_AURA)
 832   GetRenderWidget()->UpdateCompositionInfo(true);
 833 #endif
 834 }
 835
 836 void RenderFrameImpl::PepperSelectionChanged(
 837     PepperPluginInstanceImpl* instance) {
 838   if (instance != render_view_->focused_pepper_plugin())
 839     return;
 840   SyncSelectionIfRequired();
 841 }
 842
 843 RenderWidgetFullscreenPepper* RenderFrameImpl::CreatePepperFullscreenContainer(
 844     PepperPluginInstanceImpl* plugin) {
 845   GURL active_url;
 846   if (render_view_->webview() && render_view_->webview()->mainFrame())
 847     active_url = GURL(render_view_->webview()->mainFrame()->document().url());
 848   RenderWidgetFullscreenPepper* widget = RenderWidgetFullscreenPepper::Create(
 849       GetRenderWidget()->routing_id(), GetRenderWidget()->compositor_deps(),
 850       plugin, active_url, GetRenderWidget()->screenInfo());
 851   widget->show(blink::WebNavigationPolicyIgnore);
 852   return widget;
 853 }
 854
 855 bool RenderFrameImpl::IsPepperAcceptingCompositionEvents() const {
 856   if (!render_view_->focused_pepper_plugin())
 857     return false;
 858   return render_view_->focused_pepper_plugin()->
 859       IsPluginAcceptingCompositionEvents();
 860 }
 861
 862 void RenderFrameImpl::PluginCrashed(const base::FilePath& plugin_path,
 863                                    base::ProcessId plugin_pid) {
 864   // TODO(jam): dispatch this IPC in RenderFrameHost and switch to use
 865   // routing_id_ as a result.
 866   Send(new FrameHostMsg_PluginCrashed(routing_id_, plugin_path, plugin_pid));
 867 }
 868
 869 void RenderFrameImpl::SimulateImeSetComposition(
 870     const base::string16& text,
 871     const std::vector<blink::WebCompositionUnderline>& underlines,
 872     int selection_start,
 873     int selection_end) {
 874   render_view_->OnImeSetComposition(
 875       text, underlines, selection_start, selection_end);
 876 }
 877
 878 void RenderFrameImpl::SimulateImeConfirmComposition(
 879     const base::string16& text,
 880     const gfx::Range& replacement_range) {
 881   render_view_->OnImeConfirmComposition(text, replacement_range, false);
 882 }
 883
 884 void RenderFrameImpl::OnImeSetComposition(
 885     const base::string16& text,
 886     const std::vector<blink::WebCompositionUnderline>& underlines,
 887     int selection_start,
 888     int selection_end) {
 889   // When a PPAPI plugin has focus, we bypass WebKit.
 890   if (!IsPepperAcceptingCompositionEvents()) {
 891     pepper_composition_text_ = text;
 892   } else {
 893     // TODO(kinaba) currently all composition events are sent directly to
 894     // plugins. Use DOM event mechanism after WebKit is made aware about
 895     // plugins that support composition.
 896     // The code below mimics the behavior of WebCore::Editor::setComposition.
 897
 898     // Empty -> nonempty: composition started.
 899     if (pepper_composition_text_.empty() && !text.empty()) {
 900       render_view_->focused_pepper_plugin()->HandleCompositionStart(
 901           base::string16());
 902     }
 903     // Nonempty -> empty: composition canceled.
 904     if (!pepper_composition_text_.empty() && text.empty()) {
 905       render_view_->focused_pepper_plugin()->HandleCompositionEnd(
 906           base::string16());
 907     }
 908     pepper_composition_text_ = text;
 909     // Nonempty: composition is ongoing.
 910     if (!pepper_composition_text_.empty()) {
 911       render_view_->focused_pepper_plugin()->HandleCompositionUpdate(
 912           pepper_composition_text_, underlines, selection_start,
 913           selection_end);
 914     }
 915   }
 916 }
 917
 918 void RenderFrameImpl::OnImeConfirmComposition(
 919     const base::string16& text,
 920     const gfx::Range& replacement_range,
 921     bool keep_selection) {
 922   // When a PPAPI plugin has focus, we bypass WebKit.
 923   // Here, text.empty() has a special meaning. It means to commit the last
 924   // update of composition text (see
 925   // RenderWidgetHost::ImeConfirmComposition()).
 926   const base::string16& last_text = text.empty() ? pepper_composition_text_
 927                                                  : text;
 928
 929   // last_text is empty only when both text and pepper_composition_text_ is.
 930   // Ignore it.
 931   if (last_text.empty())
 932     return;
 933
 934   if (!IsPepperAcceptingCompositionEvents()) {
 935     base::i18n::UTF16CharIterator iterator(&last_text);
 936     int32 i = 0;
 937     while (iterator.Advance()) {
 938       blink::WebKeyboardEvent char_event;
 939       char_event.type = blink::WebInputEvent::Char;
 940       char_event.timeStampSeconds = base::Time::Now().ToDoubleT();
 941       char_event.modifiers = 0;
 942       char_event.windowsKeyCode = last_text[i];
 943       char_event.nativeKeyCode = last_text[i];
 944
 945       const int32 char_start = i;
 946       for (; i < iterator.array_pos(); ++i) {
 947         char_event.text[i - char_start] = last_text[i];
 948         char_event.unmodifiedText[i - char_start] = last_text[i];
 949       }
 950
 951       if (GetRenderWidget()->webwidget())
 952         GetRenderWidget()->webwidget()->handleInputEvent(char_event);
 953     }
 954   } else {
 955     // Mimics the order of events sent by WebKit.
 956     // See WebCore::Editor::setComposition() for the corresponding code.
 957     render_view_->focused_pepper_plugin()->HandleCompositionEnd(last_text);
 958     render_view_->focused_pepper_plugin()->HandleTextInput(last_text);
 959   }
 960   pepper_composition_text_.clear();
 961 }
 962 #endif  // defined(ENABLE_PLUGINS)
 963
 964 MediaStreamDispatcher* RenderFrameImpl::GetMediaStreamDispatcher() {
 965   if (!web_user_media_client_)
 966     InitializeUserMediaClient();
 967   return web_user_media_client_ ?
 968       web_user_media_client_->media_stream_dispatcher() : NULL;
 969 }
 970
 971 bool RenderFrameImpl::Send(IPC::Message* message) {
 972   if (is_detaching_) {
 973     delete message;
 974     return false;
 975   }
 976   if (is_swapped_out_) {
 977     if (!SwappedOutMessages::CanSendWhileSwappedOut(message)) {
 978       delete message;
 979       return false;
 980     }
 981   }
 982
 983   return RenderThread::Get()->Send(message);
 984 }
 985
 986 #if defined(OS_MACOSX) || defined(OS_ANDROID)
 987 void RenderFrameImpl::DidHideExternalPopupMenu() {
 988   // We need to clear external_popup_menu_ as soon as ExternalPopupMenu::close
 989   // is called. Otherwise, createExternalPopupMenu() for new popup will fail.
 990   external_popup_menu_.reset();
 991 }
 992 #endif
 993
 994 bool RenderFrameImpl::OnMessageReceived(const IPC::Message& msg) {
 995   // We may get here while detaching, when the WebFrame has been deleted.  Do
 996   // not process any messages in this state.
 997   if (!frame_)
 998     return false;
 999
1000   // TODO(kenrb): document() should not be null, but as a transitional step
1001   // we have RenderFrameProxy 'wrapping' a RenderFrameImpl, passing messages
1002   // to this method. This happens for a top-level remote frame, where a
1003   // document-less RenderFrame is replaced by a RenderFrameProxy but kept
1004   // around and is still able to receive messages.
1005   if (!frame_->document().isNull())
1006     GetContentClient()->SetActiveURL(frame_->document().url());
1007
1008   base::ObserverListBase<RenderFrameObserver>::Iterator it(&observers_);
1009   RenderFrameObserver* observer;
1010   while ((observer = it.GetNext()) != NULL) {
1011     if (observer->OnMessageReceived(msg))
1012       return true;
1013   }
1014
1015   bool handled = true;
1016   IPC_BEGIN_MESSAGE_MAP(RenderFrameImpl, msg)
1017     IPC_MESSAGE_HANDLER(FrameMsg_Navigate, OnNavigate)
1018     IPC_MESSAGE_HANDLER(FrameMsg_BeforeUnload, OnBeforeUnload)
1019     IPC_MESSAGE_HANDLER(FrameMsg_SwapOut, OnSwapOut)
1020     IPC_MESSAGE_HANDLER(FrameMsg_Stop, OnStop)
1021     IPC_MESSAGE_HANDLER(FrameMsg_ContextMenuClosed, OnContextMenuClosed)
1022     IPC_MESSAGE_HANDLER(FrameMsg_CustomContextMenuAction,
1023                         OnCustomContextMenuAction)
1024     IPC_MESSAGE_HANDLER(InputMsg_Undo, OnUndo)
1025     IPC_MESSAGE_HANDLER(InputMsg_Redo, OnRedo)
1026     IPC_MESSAGE_HANDLER(InputMsg_Cut, OnCut)
1027     IPC_MESSAGE_HANDLER(InputMsg_Copy, OnCopy)
1028     IPC_MESSAGE_HANDLER(InputMsg_Paste, OnPaste)
1029     IPC_MESSAGE_HANDLER(InputMsg_PasteAndMatchStyle, OnPasteAndMatchStyle)
1030     IPC_MESSAGE_HANDLER(InputMsg_Delete, OnDelete)
1031     IPC_MESSAGE_HANDLER(InputMsg_SelectAll, OnSelectAll)
1032     IPC_MESSAGE_HANDLER(InputMsg_SelectRange, OnSelectRange)
1033     IPC_MESSAGE_HANDLER(InputMsg_AdjustSelectionByCharacterOffset,
1034                         OnAdjustSelectionByCharacterOffset)
1035     IPC_MESSAGE_HANDLER(InputMsg_Unselect, OnUnselect)
1036     IPC_MESSAGE_HANDLER(InputMsg_MoveRangeSelectionExtent,
1037                         OnMoveRangeSelectionExtent)
1038     IPC_MESSAGE_HANDLER(InputMsg_Replace, OnReplace)
1039     IPC_MESSAGE_HANDLER(InputMsg_ReplaceMisspelling, OnReplaceMisspelling)
1040     IPC_MESSAGE_HANDLER(InputMsg_ExtendSelectionAndDelete,
1041                         OnExtendSelectionAndDelete)
1042     IPC_MESSAGE_HANDLER(InputMsg_SetCompositionFromExistingText,
1043                         OnSetCompositionFromExistingText)
1044     IPC_MESSAGE_HANDLER(InputMsg_ExecuteNoValueEditCommand,
1045                         OnExecuteNoValueEditCommand)
1046     IPC_MESSAGE_HANDLER(FrameMsg_CSSInsertRequest, OnCSSInsertRequest)
1047     IPC_MESSAGE_HANDLER(FrameMsg_AddMessageToConsole, OnAddMessageToConsole)
1048     IPC_MESSAGE_HANDLER(FrameMsg_JavaScriptExecuteRequest,
1049                         OnJavaScriptExecuteRequest)
1050     IPC_MESSAGE_HANDLER(FrameMsg_JavaScriptExecuteRequestForTests,
1051                         OnJavaScriptExecuteRequestForTests)
1052     IPC_MESSAGE_HANDLER(FrameMsg_JavaScriptExecuteRequestInIsolatedWorld,
1053                         OnJavaScriptExecuteRequestInIsolatedWorld)
1054     IPC_MESSAGE_HANDLER(FrameMsg_VisualStateRequest,
1055                         OnVisualStateRequest)
1056     IPC_MESSAGE_HANDLER(FrameMsg_SetEditableSelectionOffsets,
1057                         OnSetEditableSelectionOffsets)
1058     IPC_MESSAGE_HANDLER(FrameMsg_Reload, OnReload)
1059     IPC_MESSAGE_HANDLER(FrameMsg_TextSurroundingSelectionRequest,
1060                         OnTextSurroundingSelectionRequest)
1061     IPC_MESSAGE_HANDLER(FrameMsg_SetAccessibilityMode,
1062                         OnSetAccessibilityMode)
1063     IPC_MESSAGE_HANDLER(AccessibilityMsg_SnapshotTree,
1064                         OnSnapshotAccessibilityTree)
1065     IPC_MESSAGE_HANDLER(FrameMsg_DisownOpener, OnDisownOpener)
1066     IPC_MESSAGE_HANDLER(FrameMsg_CommitNavigation, OnCommitNavigation)
1067     IPC_MESSAGE_HANDLER(FrameMsg_DidUpdateSandboxFlags, OnDidUpdateSandboxFlags)
1068     IPC_MESSAGE_HANDLER(FrameMsg_SetTextTrackSettings,
1069                         OnTextTrackSettingsChanged)
1070     IPC_MESSAGE_HANDLER(FrameMsg_PostMessageEvent, OnPostMessageEvent)
1071     IPC_MESSAGE_HANDLER(FrameMsg_FailedNavigation, OnFailedNavigation)
1072 #if defined(OS_ANDROID)
1073     IPC_MESSAGE_HANDLER(FrameMsg_SelectPopupMenuItems, OnSelectPopupMenuItems)
1074 #elif defined(OS_MACOSX)
1075     IPC_MESSAGE_HANDLER(FrameMsg_SelectPopupMenuItem, OnSelectPopupMenuItem)
1076     IPC_MESSAGE_HANDLER(InputMsg_CopyToFindPboard, OnCopyToFindPboard)
1077 #endif
1078   IPC_END_MESSAGE_MAP()
1079
1080   return handled;
1081 }
1082
1083 void RenderFrameImpl::OnNavigate(
1084     const CommonNavigationParams& common_params,
1085     const StartNavigationParams& start_params,
1086     const RequestNavigationParams& request_params) {
1087   DCHECK(!base::CommandLine::ForCurrentProcess()->HasSwitch(
1088       switches::kEnableBrowserSideNavigation));
1089   TRACE_EVENT2("navigation", "RenderFrameImpl::OnNavigate", "id", routing_id_,
1090                "url", common_params.url.possibly_invalid_spec());
1091   NavigateInternal(common_params, start_params, request_params,
1092                    scoped_ptr<StreamOverrideParameters>());
1093 }
1094
1095 void RenderFrameImpl::NavigateToSwappedOutURL() {
1096   // We use loadRequest instead of loadHTMLString because the former commits
1097   // synchronously.  Otherwise a new navigation can interrupt the navigation
1098   // to kSwappedOutURL. If that happens to be to the page we had been
1099   // showing, then WebKit will never send a commit and we'll be left spinning.
1100   // Set the is_swapped_out_ bit to true, so IPC filtering is in effect and
1101   // the navigation to swappedout:// is not announced to the browser side.
1102   is_swapped_out_ = true;
1103   GURL swappedOutURL(kSwappedOutURL);
1104   WebURLRequest request(swappedOutURL);
1105   frame_->loadRequest(request);
1106 }
1107
1108 void RenderFrameImpl::BindServiceRegistry(
1109     mojo::InterfaceRequest<mojo::ServiceProvider> services,
1110     mojo::ServiceProviderPtr exposed_services) {
1111   service_registry_.Bind(services.Pass());
1112   service_registry_.BindRemoteServiceProvider(exposed_services.Pass());
1113 }
1114
1115 ManifestManager* RenderFrameImpl::manifest_manager() {
1116   return manifest_manager_;
1117 }
1118
1119 void RenderFrameImpl::SetPendingNavigationParams(
1120     scoped_ptr<NavigationParams> navigation_params) {
1121   pending_navigation_params_ = navigation_params.Pass();
1122 }
1123
1124 void RenderFrameImpl::OnBeforeUnload() {
1125   TRACE_EVENT1("navigation", "RenderFrameImpl::OnBeforeUnload",
1126                "id", routing_id_);
1127   // TODO(creis): Right now, this is only called on the main frame.  Make the
1128   // browser process send dispatchBeforeUnloadEvent to every frame that needs
1129   // it.
1130   CHECK(!frame_->parent());
1131
1132   base::TimeTicks before_unload_start_time = base::TimeTicks::Now();
1133   bool proceed = frame_->dispatchBeforeUnloadEvent();
1134   base::TimeTicks before_unload_end_time = base::TimeTicks::Now();
1135   Send(new FrameHostMsg_BeforeUnload_ACK(routing_id_, proceed,
1136                                          before_unload_start_time,
1137                                          before_unload_end_time));
1138 }
1139
1140 void RenderFrameImpl::OnSwapOut(
1141     int proxy_routing_id,
1142     bool is_loading,
1143     const FrameReplicationState& replicated_frame_state) {
1144   TRACE_EVENT1("navigation", "RenderFrameImpl::OnSwapOut", "id", routing_id_);
1145   RenderFrameProxy* proxy = NULL;
1146   bool swapped_out_forbidden =
1147       SiteIsolationPolicy::IsSwappedOutStateForbidden();
1148   bool is_main_frame = !frame_->parent();
1149
1150   // This codepath should only be hit for subframes when in --site-per-process.
1151   CHECK_IMPLIES(!is_main_frame,
1152                 SiteIsolationPolicy::AreCrossProcessFramesPossible());
1153
1154   // Only run unload if we're not swapped out yet, but send the ack either way.
1155   if (!is_swapped_out_) {
1156     // Swap this RenderFrame out so the frame can navigate to a page rendered by
1157     // a different process.  This involves running the unload handler and
1158     // clearing the page.  We also allow this process to exit if there are no
1159     // other active RenderFrames in it.
1160
1161     // Send an UpdateState message before we get swapped out.
1162     render_view_->SendUpdateState();
1163
1164     // If we need a proxy to replace this, create it now so its routing id is
1165     // registered for receiving IPC messages.
1166     if (proxy_routing_id != MSG_ROUTING_NONE) {
1167       proxy = RenderFrameProxy::CreateProxyToReplaceFrame(
1168           this, proxy_routing_id, replicated_frame_state.scope);
1169     }
1170
1171     // Synchronously run the unload handler before sending the ACK.
1172     // TODO(creis): Call dispatchUnloadEvent unconditionally here to support
1173     // unload on subframes as well.
1174     if (is_main_frame)
1175       frame_->dispatchUnloadEvent();
1176
1177     // Swap out and stop sending any IPC messages that are not ACKs.
1178     if (is_main_frame)
1179       render_view_->SetSwappedOut(true);
1180     is_swapped_out_ = true;
1181
1182     // Set the proxy here, since OnStop() below could cause an onload event
1183     // handler to execute, which could trigger code such as
1184     // willCheckAndDispatchMessageEvent() that needs the proxy.
1185     if (proxy)
1186       set_render_frame_proxy(proxy);
1187
1188     // Now that we're swapped out and filtering IPC messages, stop loading to
1189     // ensure that no other in-progress navigation continues.  We do this here
1190     // to avoid sending a DidStopLoading message to the browser process.
1191     // TODO(creis): Should we be stopping all frames here and using
1192     // StopAltErrorPageFetcher with RenderView::OnStop, or just stopping this
1193     // frame?
1194     if (!swapped_out_forbidden)
1195       OnStop();
1196
1197     // Transfer settings such as initial drawing parameters to the remote frame,
1198     // if one is created, that will replace this frame.
1199     if (!is_main_frame && proxy)
1200       proxy->web_frame()->initializeFromFrame(frame_);
1201
1202     // Replace the page with a blank dummy URL. The unload handler will not be
1203     // run a second time, thanks to a check in FrameLoader::stopLoading.
1204     // TODO(creis): Need to add a better way to do this that avoids running the
1205     // beforeunload handler. For now, we just run it a second time silently.
1206     if (!swapped_out_forbidden)
1207       NavigateToSwappedOutURL();
1208
1209     // Let WebKit know that this view is hidden so it can drop resources and
1210     // stop compositing.
1211     // TODO(creis): Support this for subframes as well.
1212     if (is_main_frame) {
1213       render_view_->webview()->setVisibilityState(
1214           blink::WebPageVisibilityStateHidden, false);
1215     }
1216   }
1217
1218   // It is now safe to show modal dialogs again.
1219   // TODO(creis): Deal with modal dialogs from subframes.
1220   if (is_main_frame)
1221     render_view_->suppress_dialogs_until_swap_out_ = false;
1222
1223   Send(new FrameHostMsg_SwapOut_ACK(routing_id_));
1224
1225   RenderViewImpl* render_view = render_view_.get();
1226
1227   // Now that all of the cleanup is complete and the browser side is notified,
1228   // start using the RenderFrameProxy, if one is created.
1229   if (proxy && swapped_out_forbidden) {
1230     frame_->swap(proxy->web_frame());
1231
1232     if (is_loading)
1233       proxy->OnDidStartLoading();
1234   }
1235
1236   // In --site-per-process, initialize the WebRemoteFrame with the replication
1237   // state passed by the process that is now rendering the frame.
1238   // TODO(alexmos): We cannot yet do this for swapped-out main frames, because
1239   // in that case we leave the LocalFrame as the main frame visible to Blink
1240   // and don't call swap() above. Because swap() is what creates a RemoteFrame
1241   // in proxy->web_frame(), the RemoteFrame will not exist for main frames.
1242   // When we do an unconditional swap for all frames, we can remove
1243   // !is_main_frame below.
1244   if (proxy && swapped_out_forbidden)
1245     proxy->SetReplicatedState(replicated_frame_state);
1246
1247   // Safe to exit if no one else is using the process.
1248   // TODO(nasko): Remove the dependency on RenderViewImpl here and ref count
1249   // the process based on the lifetime of this RenderFrameImpl object.
1250   if (is_main_frame) {
1251     render_view->WasSwappedOut();
1252   }
1253 }
1254
1255 void RenderFrameImpl::OnContextMenuClosed(
1256     const CustomContextMenuContext& custom_context) {
1257   if (custom_context.request_id) {
1258     // External request, should be in our map.
1259     ContextMenuClient* client =
1260         pending_context_menus_.Lookup(custom_context.request_id);
1261     if (client) {
1262       client->OnMenuClosed(custom_context.request_id);
1263       pending_context_menus_.Remove(custom_context.request_id);
1264     }
1265   } else {
1266     if (custom_context.link_followed.is_valid())
1267         frame_->sendPings(context_menu_node_, custom_context.link_followed);
1268     // Internal request, forward to WebKit.
1269     context_menu_node_.reset();
1270   }
1271 }
1272
1273 void RenderFrameImpl::OnCustomContextMenuAction(
1274     const CustomContextMenuContext& custom_context,
1275     unsigned action) {
1276   if (custom_context.request_id) {
1277     // External context menu request, look in our map.
1278     ContextMenuClient* client =
1279         pending_context_menus_.Lookup(custom_context.request_id);
1280     if (client)
1281       client->OnMenuAction(custom_context.request_id, action);
1282   } else {
1283     // Internal request, forward to WebKit.
1284     render_view_->webview()->performCustomContextMenuAction(action);
1285   }
1286 }
1287
1288 void RenderFrameImpl::OnUndo() {
1289   frame_->executeCommand(WebString::fromUTF8("Undo"), GetFocusedElement());
1290 }
1291
1292 void RenderFrameImpl::OnRedo() {
1293   frame_->executeCommand(WebString::fromUTF8("Redo"), GetFocusedElement());
1294 }
1295
1296 void RenderFrameImpl::OnCut() {
1297   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1298   frame_->executeCommand(WebString::fromUTF8("Cut"), GetFocusedElement());
1299 }
1300
1301 void RenderFrameImpl::OnCopy() {
1302   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1303   WebNode current_node = context_menu_node_.isNull() ?
1304       GetFocusedElement() : context_menu_node_;
1305   frame_->executeCommand(WebString::fromUTF8("Copy"), current_node);
1306 }
1307
1308 void RenderFrameImpl::OnPaste() {
1309   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1310   frame_->executeCommand(WebString::fromUTF8("Paste"), GetFocusedElement());
1311 }
1312
1313 void RenderFrameImpl::OnPasteAndMatchStyle() {
1314   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1315   frame_->executeCommand(
1316       WebString::fromUTF8("PasteAndMatchStyle"), GetFocusedElement());
1317 }
1318
1319 #if defined(OS_MACOSX)
1320 void RenderFrameImpl::OnCopyToFindPboard() {
1321   // Since the find pasteboard supports only plain text, this can be simpler
1322   // than the |OnCopy()| case.
1323   if (frame_->hasSelection()) {
1324     base::string16 selection = frame_->selectionAsText();
1325     RenderThread::Get()->Send(
1326         new ClipboardHostMsg_FindPboardWriteStringAsync(selection));
1327   }
1328 }
1329 #endif
1330
1331 void RenderFrameImpl::OnDelete() {
1332   frame_->executeCommand(WebString::fromUTF8("Delete"), GetFocusedElement());
1333 }
1334
1335 void RenderFrameImpl::OnSelectAll() {
1336   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1337   frame_->executeCommand(WebString::fromUTF8("SelectAll"), GetFocusedElement());
1338 }
1339
1340 void RenderFrameImpl::OnSelectRange(const gfx::Point& base,
1341                                     const gfx::Point& extent) {
1342   // This IPC is dispatched by RenderWidgetHost, so use its routing id.
1343   Send(new InputHostMsg_SelectRange_ACK(GetRenderWidget()->routing_id()));
1344
1345   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1346   frame_->selectRange(base, extent);
1347 }
1348
1349 void RenderFrameImpl::OnAdjustSelectionByCharacterOffset(int start_adjust,
1350                                                          int end_adjust) {
1351   size_t start, length;
1352   if (!GetRenderWidget()->webwidget()->caretOrSelectionRange(
1353       &start, &length)) {
1354     return;
1355   }
1356
1357   // Sanity checks to disallow empty and out of range selections.
1358   if (start_adjust - end_adjust > static_cast<int>(length)
1359       || static_cast<int>(start) + start_adjust < 0) {
1360     return;
1361   }
1362
1363   // A negative adjust amount moves the selection towards the beginning of
1364   // the document, a positive amount moves the selection towards the end of
1365   // the document.
1366   start += start_adjust;
1367   length += end_adjust - start_adjust;
1368
1369   frame_->selectRange(WebRange::fromDocumentRange(frame_, start, length));
1370 }
1371
1372 void RenderFrameImpl::OnUnselect() {
1373   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1374   frame_->executeCommand(WebString::fromUTF8("Unselect"), GetFocusedElement());
1375 }
1376
1377 void RenderFrameImpl::OnMoveRangeSelectionExtent(const gfx::Point& point) {
1378   // This IPC is dispatched by RenderWidgetHost, so use its routing id.
1379   Send(new InputHostMsg_MoveRangeSelectionExtent_ACK(
1380       GetRenderWidget()->routing_id()));
1381
1382   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1383   frame_->moveRangeSelectionExtent(point);
1384 }
1385
1386 void RenderFrameImpl::OnReplace(const base::string16& text) {
1387   if (!frame_->hasSelection())
1388     frame_->selectWordAroundCaret();
1389
1390   frame_->replaceSelection(text);
1391 }
1392
1393 void RenderFrameImpl::OnReplaceMisspelling(const base::string16& text) {
1394   if (!frame_->hasSelection())
1395     return;
1396
1397   frame_->replaceMisspelledRange(text);
1398 }
1399
1400 void RenderFrameImpl::OnCSSInsertRequest(const std::string& css) {
1401   frame_->document().insertStyleSheet(WebString::fromUTF8(css));
1402 }
1403
1404 void RenderFrameImpl::OnAddMessageToConsole(ConsoleMessageLevel level,
1405                                             const std::string& message) {
1406   AddMessageToConsole(level, message);
1407 }
1408
1409 void RenderFrameImpl::OnJavaScriptExecuteRequest(
1410     const base::string16& jscript,
1411     int id,
1412     bool notify_result) {
1413   TRACE_EVENT_INSTANT0("test_tracing", "OnJavaScriptExecuteRequest",
1414                        TRACE_EVENT_SCOPE_THREAD);
1415
1416   v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
1417   v8::Local<v8::Value> result =
1418       frame_->executeScriptAndReturnValue(WebScriptSource(jscript));
1419
1420   HandleJavascriptExecutionResult(jscript, id, notify_result, result);
1421 }
1422
1423 void RenderFrameImpl::OnJavaScriptExecuteRequestForTests(
1424     const base::string16& jscript,
1425     int id,
1426     bool notify_result,
1427     bool has_user_gesture) {
1428   TRACE_EVENT_INSTANT0("test_tracing", "OnJavaScriptExecuteRequestForTests",
1429                        TRACE_EVENT_SCOPE_THREAD);
1430
1431   // A bunch of tests expect to run code in the context of a user gesture, which
1432   // can grant additional privileges (e.g. the ability to create popups).
1433   scoped_ptr<blink::WebScopedUserGesture> gesture(
1434       has_user_gesture ? new blink::WebScopedUserGesture : nullptr);
1435   v8::HandleScope handle_scope(blink::mainThreadIsolate());
1436   v8::Local<v8::Value> result =
1437       frame_->executeScriptAndReturnValue(WebScriptSource(jscript));
1438
1439   HandleJavascriptExecutionResult(jscript, id, notify_result, result);
1440 }
1441
1442 void RenderFrameImpl::OnJavaScriptExecuteRequestInIsolatedWorld(
1443     const base::string16& jscript,
1444     int id,
1445     bool notify_result,
1446     int world_id) {
1447   TRACE_EVENT_INSTANT0("test_tracing",
1448                        "OnJavaScriptExecuteRequestInIsolatedWorld",
1449                        TRACE_EVENT_SCOPE_THREAD);
1450
1451   if (world_id <= ISOLATED_WORLD_ID_GLOBAL ||
1452       world_id > ISOLATED_WORLD_ID_MAX) {
1453     // Return if the world_id is not valid. world_id is passed as a plain int
1454     // over IPC and needs to be verified here, in the IPC endpoint.
1455     NOTREACHED();
1456     return;
1457   }
1458
1459   v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
1460   WebScriptSource script = WebScriptSource(jscript);
1461   JavaScriptIsolatedWorldRequest* request = new JavaScriptIsolatedWorldRequest(
1462       id, notify_result, routing_id_, weak_factory_.GetWeakPtr());
1463   frame_->requestExecuteScriptInIsolatedWorld(world_id, &script, 1, 0, false,
1464                                               request);
1465 }
1466
1467 RenderFrameImpl::JavaScriptIsolatedWorldRequest::JavaScriptIsolatedWorldRequest(
1468     int id,
1469     bool notify_result,
1470     int routing_id,
1471     base::WeakPtr<RenderFrameImpl> render_frame_impl)
1472     : id_(id),
1473       notify_result_(notify_result),
1474       routing_id_(routing_id),
1475       render_frame_impl_(render_frame_impl) {
1476 }
1477
1478 RenderFrameImpl::JavaScriptIsolatedWorldRequest::
1479     ~JavaScriptIsolatedWorldRequest() {
1480 }
1481
1482 void RenderFrameImpl::JavaScriptIsolatedWorldRequest::completed(
1483     const blink::WebVector<v8::Local<v8::Value>>& result) {
1484   if (!render_frame_impl_.get()) {
1485     return;
1486   }
1487
1488   if (notify_result_) {
1489     base::ListValue list;
1490     if (!result.isEmpty()) {
1491       // It's safe to always use the main world context when converting
1492       // here. V8ValueConverterImpl shouldn't actually care about the
1493       // context scope, and it switches to v8::Object's creation context
1494       // when encountered. (from extensions/renderer/script_injection.cc)
1495       v8::Local<v8::Context> context =
1496           render_frame_impl_.get()->frame_->mainWorldScriptContext();
1497       v8::Context::Scope context_scope(context);
1498       V8ValueConverterImpl converter;
1499       converter.SetDateAllowed(true);
1500       converter.SetRegExpAllowed(true);
1501       for (const auto& value : result) {
1502         scoped_ptr<base::Value> result_value(
1503             converter.FromV8Value(value, context));
1504         list.Append(result_value ? result_value.Pass()
1505                                  : base::Value::CreateNullValue());
1506       }
1507     } else {
1508       list.Set(0, base::Value::CreateNullValue());
1509     }
1510     render_frame_impl_.get()->Send(
1511         new FrameHostMsg_JavaScriptExecuteResponse(routing_id_, id_, list));
1512   }
1513
1514   delete this;
1515 }
1516
1517 void RenderFrameImpl::HandleJavascriptExecutionResult(
1518     const base::string16& jscript,
1519     int id,
1520     bool notify_result,
1521     v8::Local<v8::Value> result) {
1522   if (notify_result) {
1523     base::ListValue list;
1524     if (!result.IsEmpty()) {
1525       v8::Local<v8::Context> context = frame_->mainWorldScriptContext();
1526       v8::Context::Scope context_scope(context);
1527       V8ValueConverterImpl converter;
1528       converter.SetDateAllowed(true);
1529       converter.SetRegExpAllowed(true);
1530       scoped_ptr<base::Value> result_value(
1531           converter.FromV8Value(result, context));
1532       list.Set(0, result_value ? result_value.Pass()
1533                                : base::Value::CreateNullValue());
1534     } else {
1535       list.Set(0, base::Value::CreateNullValue());
1536     }
1537     Send(new FrameHostMsg_JavaScriptExecuteResponse(routing_id_, id, list));
1538   }
1539 }
1540
1541 void RenderFrameImpl::OnVisualStateRequest(uint64 id) {
1542   GetRenderWidget()->QueueMessage(
1543       new FrameHostMsg_VisualStateResponse(routing_id_, id),
1544       MESSAGE_DELIVERY_POLICY_WITH_VISUAL_STATE);
1545 }
1546
1547 void RenderFrameImpl::OnSetEditableSelectionOffsets(int start, int end) {
1548   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1549   if (!GetRenderWidget()->ShouldHandleImeEvent())
1550     return;
1551   ImeEventGuard guard(GetRenderWidget());
1552   frame_->setEditableSelectionOffsets(start, end);
1553 }
1554
1555 void RenderFrameImpl::OnSetCompositionFromExistingText(
1556     int start, int end,
1557     const std::vector<blink::WebCompositionUnderline>& underlines) {
1558   if (!GetRenderWidget()->ShouldHandleImeEvent())
1559     return;
1560   ImeEventGuard guard(GetRenderWidget());
1561   frame_->setCompositionFromExistingText(start, end, underlines);
1562 }
1563
1564 void RenderFrameImpl::OnExecuteNoValueEditCommand(const std::string& name) {
1565   frame_->executeCommand(WebString::fromUTF8(name), GetFocusedElement());
1566 }
1567
1568 void RenderFrameImpl::OnExtendSelectionAndDelete(int before, int after) {
1569   if (!GetRenderWidget()->ShouldHandleImeEvent())
1570     return;
1571
1572   DCHECK(!WebUserGestureIndicator::isProcessingUserGesture());
1573
1574   ImeEventGuard guard(GetRenderWidget());
1575   blink::WebScopedUserGesture gesture_indicator;
1576   frame_->extendSelectionAndDelete(before, after);
1577 }
1578
1579 void RenderFrameImpl::OnSetAccessibilityMode(AccessibilityMode new_mode) {
1580   if (accessibility_mode_ == new_mode)
1581     return;
1582   accessibility_mode_ = new_mode;
1583   if (renderer_accessibility_) {
1584     // Note: this isn't called automatically by the destructor because
1585     // there'd be no point in calling it in frame teardown, only if there's
1586     // an accessibility mode change but the frame is persisting.
1587     renderer_accessibility_->DisableAccessibility();
1588
1589     delete renderer_accessibility_;
1590     renderer_accessibility_ = NULL;
1591   }
1592   if (accessibility_mode_ == AccessibilityModeOff)
1593     return;
1594
1595   if (accessibility_mode_ & AccessibilityModeFlagFullTree)
1596     renderer_accessibility_ = new RendererAccessibility(this);
1597 }
1598
1599 void RenderFrameImpl::OnSnapshotAccessibilityTree(int callback_id) {
1600   ui::AXTreeUpdate<AXContentNodeData> response;
1601   RendererAccessibility::SnapshotAccessibilityTree(this, &response);
1602   Send(new AccessibilityHostMsg_SnapshotResponse(
1603       routing_id_, callback_id, response));
1604 }
1605
1606 void RenderFrameImpl::OnDisownOpener() {
1607   // TODO(creis): We should only see this for main frames for now.  To support
1608   // disowning the opener on subframes, we will need to move WebContentsImpl's
1609   // opener_ to FrameTreeNode.
1610   CHECK(!frame_->parent());
1611
1612   if (frame_->opener())
1613     frame_->setOpener(NULL);
1614 }
1615
1616 void RenderFrameImpl::OnDidUpdateSandboxFlags(blink::WebSandboxFlags flags) {
1617   frame_->setFrameOwnerSandboxFlags(flags);
1618 }
1619
1620 void RenderFrameImpl::OnTextTrackSettingsChanged(
1621     const FrameMsg_TextTrackSettings_Params& params) {
1622   DCHECK(!frame_->parent());
1623   if (!render_view_->webview())
1624     return;
1625
1626   if (params.text_tracks_enabled) {
1627       render_view_->webview()->settings()->setTextTrackKindUserPreference(
1628           WebSettings::TextTrackKindUserPreference::Captions);
1629   } else {
1630       render_view_->webview()->settings()->setTextTrackKindUserPreference(
1631           WebSettings::TextTrackKindUserPreference::Default);
1632   }
1633   render_view_->webview()->settings()->setTextTrackBackgroundColor(
1634       WebString::fromUTF8(params.text_track_background_color));
1635   render_view_->webview()->settings()->setTextTrackFontFamily(
1636       WebString::fromUTF8(params.text_track_font_family));
1637   render_view_->webview()->settings()->setTextTrackFontStyle(
1638       WebString::fromUTF8(params.text_track_font_style));
1639   render_view_->webview()->settings()->setTextTrackFontVariant(
1640       WebString::fromUTF8(params.text_track_font_variant));
1641   render_view_->webview()->settings()->setTextTrackTextColor(
1642       WebString::fromUTF8(params.text_track_text_color));
1643   render_view_->webview()->settings()->setTextTrackTextShadow(
1644       WebString::fromUTF8(params.text_track_text_shadow));
1645   render_view_->webview()->settings()->setTextTrackTextSize(
1646       WebString::fromUTF8(params.text_track_text_size));
1647 }
1648
1649 void RenderFrameImpl::OnPostMessageEvent(
1650     const FrameMsg_PostMessage_Params& params) {
1651   // Find the source frame if it exists.
1652   WebFrame* source_frame = NULL;
1653   if (params.source_routing_id != MSG_ROUTING_NONE) {
1654     RenderFrameProxy* source_proxy =
1655         RenderFrameProxy::FromRoutingID(params.source_routing_id);
1656     if (source_proxy) {
1657       // Currently, navigating a top-level frame cross-process does not swap
1658       // the WebLocalFrame for a WebRemoteFrame in the frame tree, and the
1659       // WebRemoteFrame will not have an associated blink::Frame. If this is
1660       // the case for |source_proxy|, use the corresponding (swapped-out)
1661       // WebLocalFrame instead, so that event.source for this message can be
1662       // set and used properly.
1663       if (source_proxy->IsMainFrameDetachedFromTree())
1664         source_frame = source_proxy->render_view()->webview()->mainFrame();
1665       else
1666         source_frame = source_proxy->web_frame();
1667     }
1668   }
1669
1670   // If the message contained MessagePorts, create the corresponding endpoints.
1671   blink::WebMessagePortChannelArray channels =
1672       WebMessagePortChannelImpl::CreatePorts(
1673           params.message_ports, params.new_routing_ids,
1674           base::ThreadTaskRunnerHandle::Get().get());
1675
1676   WebSerializedScriptValue serialized_script_value;
1677   if (params.is_data_raw_string) {
1678     v8::HandleScope handle_scope(blink::mainThreadIsolate());
1679     v8::Local<v8::Context> context = frame_->mainWorldScriptContext();
1680     v8::Context::Scope context_scope(context);
1681     V8ValueConverterImpl converter;
1682     converter.SetDateAllowed(true);
1683     converter.SetRegExpAllowed(true);
1684     scoped_ptr<base::Value> value(new base::StringValue(params.data));
1685     v8::Local<v8::Value> result_value = converter.ToV8Value(value.get(),
1686                                                              context);
1687     serialized_script_value = WebSerializedScriptValue::serialize(result_value);
1688   } else {
1689     serialized_script_value = WebSerializedScriptValue::fromString(params.data);
1690   }
1691
1692   // Create an event with the message.  The next-to-last parameter to
1693   // initMessageEvent is the last event ID, which is not used with postMessage.
1694   WebDOMEvent event = frame_->document().createEvent("MessageEvent");
1695   WebDOMMessageEvent msg_event = event.to<WebDOMMessageEvent>();
1696   msg_event.initMessageEvent("message",
1697                              // |canBubble| and |cancellable| are always false
1698                              false, false,
1699                              serialized_script_value,
1700                              params.source_origin, source_frame,
1701                              frame_->document(), "", channels);
1702
1703   // We must pass in the target_origin to do the security check on this side,
1704   // since it may have changed since the original postMessage call was made.
1705   WebSecurityOrigin target_origin;
1706   if (!params.target_origin.empty()) {
1707     target_origin =
1708         WebSecurityOrigin::createFromString(WebString(params.target_origin));
1709   }
1710   frame_->dispatchMessageEventWithOriginCheck(target_origin, msg_event);
1711 }
1712
1713 #if defined(OS_ANDROID)
1714 void RenderFrameImpl::OnSelectPopupMenuItems(
1715     bool canceled,
1716     const std::vector<int>& selected_indices) {
1717   // It is possible to receive more than one of these calls if the user presses
1718   // a select faster than it takes for the show-select-popup IPC message to make
1719   // it to the browser UI thread. Ignore the extra-messages.
1720   // TODO(jcivelli): http:/b/5793321 Implement a better fix, as detailed in bug.
1721   if (!external_popup_menu_)
1722     return;
1723
1724   external_popup_menu_->DidSelectItems(canceled, selected_indices);
1725   external_popup_menu_.reset();
1726 }
1727 #endif
1728
1729 #if defined(OS_MACOSX)
1730 void RenderFrameImpl::OnSelectPopupMenuItem(int selected_index) {
1731   if (external_popup_menu_ == NULL)
1732     return;
1733   external_popup_menu_->DidSelectItem(selected_index);
1734   external_popup_menu_.reset();
1735 }
1736 #endif
1737
1738 void RenderFrameImpl::OnReload(bool ignore_cache) {
1739   frame_->reload(ignore_cache);
1740 }
1741
1742 void RenderFrameImpl::OnTextSurroundingSelectionRequest(size_t max_length) {
1743   blink::WebSurroundingText surroundingText;
1744   surroundingText.initialize(frame_->selectionRange(), max_length);
1745
1746   if (surroundingText.isNull()) {
1747     // |surroundingText| might not be correctly initialized, for example if
1748     // |frame_->selectionRange().isNull()|, in other words, if there was no
1749     // selection.
1750     Send(new FrameHostMsg_TextSurroundingSelectionResponse(
1751         routing_id_, base::string16(), 0, 0));
1752     return;
1753   }
1754
1755   Send(new FrameHostMsg_TextSurroundingSelectionResponse(
1756       routing_id_,
1757       surroundingText.textContent(),
1758       surroundingText.startOffsetInTextContent(),
1759       surroundingText.endOffsetInTextContent()));
1760 }
1761
1762 bool RenderFrameImpl::RunJavaScriptMessage(JavaScriptMessageType type,
1763                                            const base::string16& message,
1764                                            const base::string16& default_value,
1765                                            const GURL& frame_url,
1766                                            base::string16* result) {
1767   // Don't allow further dialogs if we are waiting to swap out, since the
1768   // PageGroupLoadDeferrer in our stack prevents it.
1769   if (render_view()->suppress_dialogs_until_swap_out_)
1770     return false;
1771
1772   bool success = false;
1773   base::string16 result_temp;
1774   if (!result)
1775     result = &result_temp;
1776
1777   render_view()->SendAndRunNestedMessageLoop(
1778       new FrameHostMsg_RunJavaScriptMessage(
1779         routing_id_, message, default_value, frame_url, type, &success,
1780         result));
1781   return success;
1782 }
1783
1784 void RenderFrameImpl::LoadNavigationErrorPage(
1785     const WebURLRequest& failed_request,
1786     const WebURLError& error,
1787     bool replace) {
1788   std::string error_html;
1789   GetContentClient()->renderer()->GetNavigationErrorStrings(
1790       render_view(), frame_, failed_request, error, &error_html, NULL);
1791
1792   frame_->loadHTMLString(error_html,
1793                          GURL(kUnreachableWebDataURL),
1794                          error.unreachableURL,
1795                          replace);
1796 }
1797
1798 void RenderFrameImpl::DidCommitCompositorFrame() {
1799   if (BrowserPluginManager::Get())
1800     BrowserPluginManager::Get()->DidCommitCompositorFrame(GetRoutingID());
1801   FOR_EACH_OBSERVER(
1802       RenderFrameObserver, observers_, DidCommitCompositorFrame());
1803 }
1804
1805 RenderView* RenderFrameImpl::GetRenderView() {
1806   return render_view_.get();
1807 }
1808
1809 int RenderFrameImpl::GetRoutingID() {
1810   return routing_id_;
1811 }
1812
1813 blink::WebLocalFrame* RenderFrameImpl::GetWebFrame() {
1814   DCHECK(frame_);
1815   return frame_;
1816 }
1817
1818 WebElement RenderFrameImpl::GetFocusedElement() const {
1819   WebDocument doc = frame_->document();
1820   if (!doc.isNull())
1821     return doc.focusedElement();
1822
1823   return WebElement();
1824 }
1825
1826 WebPreferences& RenderFrameImpl::GetWebkitPreferences() {
1827   return render_view_->GetWebkitPreferences();
1828 }
1829
1830 int RenderFrameImpl::ShowContextMenu(ContextMenuClient* client,
1831                                      const ContextMenuParams& params) {
1832   DCHECK(client);  // A null client means "internal" when we issue callbacks.
1833   ContextMenuParams our_params(params);
1834   our_params.custom_context.request_id = pending_context_menus_.Add(client);
1835   Send(new FrameHostMsg_ContextMenu(routing_id_, our_params));
1836   return our_params.custom_context.request_id;
1837 }
1838
1839 void RenderFrameImpl::CancelContextMenu(int request_id) {
1840   DCHECK(pending_context_menus_.Lookup(request_id));
1841   pending_context_menus_.Remove(request_id);
1842 }
1843
1844 blink::WebNode RenderFrameImpl::GetContextMenuNode() const {
1845   return context_menu_node_;
1846 }
1847
1848 blink::WebPlugin* RenderFrameImpl::CreatePlugin(
1849     blink::WebFrame* frame,
1850     const WebPluginInfo& info,
1851     const blink::WebPluginParams& params,
1852     scoped_ptr<content::PluginInstanceThrottler> throttler) {
1853   DCHECK_EQ(frame_, frame);
1854 #if defined(ENABLE_PLUGINS)
1855   if (info.type == WebPluginInfo::PLUGIN_TYPE_BROWSER_PLUGIN) {
1856     return BrowserPluginManager::Get()->CreateBrowserPlugin(
1857         this, GetContentClient()
1858                   ->renderer()
1859                   ->CreateBrowserPluginDelegate(this, params.mimeType.utf8(),
1860                                                 GURL(params.url))
1861                   ->GetWeakPtr());
1862   }
1863
1864   bool pepper_plugin_was_registered = false;
1865   scoped_refptr<PluginModule> pepper_module(PluginModule::Create(
1866       this, info, &pepper_plugin_was_registered));
1867   if (pepper_plugin_was_registered) {
1868     if (pepper_module.get()) {
1869       return new PepperWebPluginImpl(
1870           pepper_module.get(), params, this,
1871           make_scoped_ptr(
1872               static_cast<PluginInstanceThrottlerImpl*>(throttler.release())));
1873     }
1874   }
1875 #if defined(OS_CHROMEOS)
1876   LOG(WARNING) << "Pepper module/plugin creation failed.";
1877 #else
1878   if (info.type == WebPluginInfo::PLUGIN_TYPE_NPAPI) {
1879     // TODO(jam): change to take RenderFrame.
1880     return new WebPluginImpl(frame, params, info.path, render_view_, this);
1881   }
1882 #endif
1883 #endif
1884   return NULL;
1885 }
1886
1887 void RenderFrameImpl::LoadURLExternally(blink::WebLocalFrame* frame,
1888                                         const blink::WebURLRequest& request,
1889                                         blink::WebNavigationPolicy policy) {
1890   DCHECK(!frame_ || frame_ == frame);
1891   loadURLExternally(frame, request, policy, WebString());
1892 }
1893
1894 void RenderFrameImpl::ExecuteJavaScript(const base::string16& javascript) {
1895   OnJavaScriptExecuteRequest(javascript, 0, false);
1896 }
1897
1898 ServiceRegistry* RenderFrameImpl::GetServiceRegistry() {
1899   return &service_registry_;
1900 }
1901
1902 #if defined(ENABLE_PLUGINS)
1903 void RenderFrameImpl::RegisterPeripheralPlugin(
1904     const GURL& content_origin,
1905     const base::Closure& unthrottle_callback) {
1906   return plugin_power_saver_helper_->RegisterPeripheralPlugin(
1907       content_origin, unthrottle_callback);
1908 }
1909 #endif  // defined(ENABLE_PLUGINS)
1910
1911 bool RenderFrameImpl::IsFTPDirectoryListing() {
1912   WebURLResponseExtraDataImpl* extra_data =
1913       GetExtraDataFromResponse(frame_->dataSource()->response());
1914   return extra_data ? extra_data->is_ftp_directory_listing() : false;
1915 }
1916
1917 void RenderFrameImpl::AttachGuest(int element_instance_id) {
1918   BrowserPluginManager::Get()->Attach(element_instance_id);
1919 }
1920
1921 void RenderFrameImpl::DetachGuest(int element_instance_id) {
1922   BrowserPluginManager::Get()->Detach(element_instance_id);
1923 }
1924
1925 void RenderFrameImpl::SetSelectedText(const base::string16& selection_text,
1926                                       size_t offset,
1927                                       const gfx::Range& range) {
1928   // Use the routing id of Render Widget Host.
1929   Send(new ViewHostMsg_SelectionChanged(GetRenderWidget()->routing_id(),
1930                                         selection_text,
1931                                         offset,
1932                                         range));
1933 }
1934
1935 void RenderFrameImpl::EnsureMojoBuiltinsAreAvailable(
1936     v8::Isolate* isolate,
1937     v8::Local<v8::Context> context) {
1938   gin::ModuleRegistry* registry = gin::ModuleRegistry::From(context);
1939   if (registry->available_modules().count(mojo::js::Core::kModuleName))
1940     return;
1941
1942   v8::HandleScope handle_scope(isolate);
1943   registry->AddBuiltinModule(
1944       isolate, mojo::js::Core::kModuleName, mojo::js::Core::GetModule(isolate));
1945   registry->AddBuiltinModule(isolate,
1946                              mojo::js::Support::kModuleName,
1947                              mojo::js::Support::GetModule(isolate));
1948   registry->AddBuiltinModule(
1949       isolate,
1950       ServiceRegistryJsWrapper::kModuleName,
1951       ServiceRegistryJsWrapper::Create(isolate, &service_registry_).ToV8());
1952 }
1953
1954 void RenderFrameImpl::AddMessageToConsole(ConsoleMessageLevel level,
1955                                           const std::string& message) {
1956   if (devtools_agent_)
1957     devtools_agent_->AddMessageToConsole(level, message);
1958 }
1959
1960 // blink::WebFrameClient implementation ----------------------------------------
1961
1962 blink::WebPluginPlaceholder* RenderFrameImpl::createPluginPlaceholder(
1963     blink::WebLocalFrame* frame,
1964     const blink::WebPluginParams& params) {
1965   DCHECK_EQ(frame_, frame);
1966   return GetContentClient()
1967       ->renderer()
1968       ->CreatePluginPlaceholder(this, frame, params)
1969       .release();
1970 }
1971
1972 blink::WebPlugin* RenderFrameImpl::createPlugin(
1973     blink::WebLocalFrame* frame,
1974     const blink::WebPluginParams& params) {
1975   DCHECK_EQ(frame_, frame);
1976   blink::WebPlugin* plugin = NULL;
1977   if (GetContentClient()->renderer()->OverrideCreatePlugin(
1978           this, frame, params, &plugin)) {
1979     return plugin;
1980   }
1981
1982   if (base::UTF16ToUTF8(base::StringPiece16(params.mimeType)) ==
1983       kBrowserPluginMimeType) {
1984     return BrowserPluginManager::Get()->CreateBrowserPlugin(
1985         this, GetContentClient()
1986                   ->renderer()
1987                   ->CreateBrowserPluginDelegate(this, kBrowserPluginMimeType,
1988                                                 GURL(params.url))
1989                   ->GetWeakPtr());
1990   }
1991
1992 #if defined(ENABLE_PLUGINS)
1993   WebPluginInfo info;
1994   std::string mime_type;
1995   bool found = false;
1996   Send(new FrameHostMsg_GetPluginInfo(
1997       routing_id_, params.url, frame->top()->document().url(),
1998       params.mimeType.utf8(), &found, &info, &mime_type));
1999   if (!found)
2000     return NULL;
2001
2002   WebPluginParams params_to_use = params;
2003   params_to_use.mimeType = WebString::fromUTF8(mime_type);
2004   return CreatePlugin(frame, info, params_to_use, nullptr /* throttler */);
2005 #else
2006   return NULL;
2007 #endif  // defined(ENABLE_PLUGINS)
2008 }
2009
2010 blink::WebMediaPlayer* RenderFrameImpl::createMediaPlayer(
2011     blink::WebLocalFrame* frame,
2012     const blink::WebURL& url,
2013     WebMediaPlayerClient* client,
2014     WebMediaPlayerEncryptedMediaClient* encrypted_client,
2015     WebContentDecryptionModule* initial_cdm) {
2016 #if defined(VIDEO_HOLE)
2017   if (!contains_media_player_) {
2018     render_view_->RegisterVideoHoleFrame(this);
2019     contains_media_player_ = true;
2020   }
2021 #endif  // defined(VIDEO_HOLE)
2022
2023   blink::WebMediaStream web_stream(
2024       blink::WebMediaStreamRegistry::lookupMediaStreamDescriptor(url));
2025   if (!web_stream.isNull())
2026     return CreateWebMediaPlayerForMediaStream(client);
2027
2028 #if defined(OS_ANDROID) && !defined(ENABLE_MEDIA_PIPELINE_ON_ANDROID)
2029   return CreateAndroidWebMediaPlayer(client, encrypted_client,
2030                                      GetMediaPermission(), initial_cdm);
2031 #else
2032   scoped_refptr<media::MediaLog> media_log(new RenderMediaLog());
2033
2034   RenderThreadImpl* render_thread = RenderThreadImpl::current();
2035   media::WebMediaPlayerParams params(
2036       base::Bind(&ContentRendererClient::DeferMediaLoad,
2037                  base::Unretained(GetContentClient()->renderer()),
2038                  static_cast<RenderFrame*>(this), has_played_media_),
2039       render_thread->GetAudioRendererMixerManager()->CreateInput(routing_id_),
2040       media_log, render_thread->GetMediaThreadTaskRunner(),
2041       render_thread->GetWorkerTaskRunner(),
2042       render_thread->compositor_task_runner(),
2043       base::Bind(&GetSharedMainThreadContext3D), GetMediaPermission(),
2044       initial_cdm);
2045
2046 #if defined(ENABLE_MOJO_MEDIA)
2047   scoped_ptr<media::RendererFactory> media_renderer_factory(
2048       new media::MojoRendererFactory(GetMediaServiceFactory()));
2049 #else
2050   scoped_ptr<media::RendererFactory> media_renderer_factory =
2051       GetContentClient()->renderer()->CreateMediaRendererFactory(
2052           this, render_thread->GetGpuFactories(), media_log);
2053
2054   if (!media_renderer_factory.get()) {
2055     media_renderer_factory.reset(new media::DefaultRendererFactory(
2056         media_log, render_thread->GetGpuFactories(),
2057         *render_thread->GetAudioHardwareConfig()));
2058   }
2059 #endif  // defined(ENABLE_MOJO_MEDIA)
2060
2061   return new media::WebMediaPlayerImpl(
2062       frame, client, encrypted_client, weak_factory_.GetWeakPtr(),
2063       media_renderer_factory.Pass(), GetCdmFactory(), params);
2064 #endif  // defined(OS_ANDROID) && !defined(ENABLE_MEDIA_PIPELINE_ON_ANDROID)
2065 }
2066
2067 blink::WebApplicationCacheHost* RenderFrameImpl::createApplicationCacheHost(
2068     blink::WebLocalFrame* frame,
2069     blink::WebApplicationCacheHostClient* client) {
2070   if (!frame || !frame->view())
2071     return NULL;
2072   DCHECK(!frame_ || frame_ == frame);
2073   return new RendererWebApplicationCacheHostImpl(
2074       RenderViewImpl::FromWebView(frame->view()), client,
2075       RenderThreadImpl::current()->appcache_dispatcher()->backend_proxy());
2076 }
2077
2078 blink::WebWorkerContentSettingsClientProxy*
2079 RenderFrameImpl::createWorkerContentSettingsClientProxy(
2080     blink::WebLocalFrame* frame) {
2081   if (!frame || !frame->view())
2082     return NULL;
2083   DCHECK(!frame_ || frame_ == frame);
2084   return GetContentClient()->renderer()->CreateWorkerContentSettingsClientProxy(
2085       this, frame);
2086 }
2087
2088 WebExternalPopupMenu* RenderFrameImpl::createExternalPopupMenu(
2089     const WebPopupMenuInfo& popup_menu_info,
2090     WebExternalPopupMenuClient* popup_menu_client) {
2091 #if defined(OS_MACOSX) || defined(OS_ANDROID)
2092   // An IPC message is sent to the browser to build and display the actual
2093   // popup. The user could have time to click a different select by the time
2094   // the popup is shown. In that case external_popup_menu_ is non NULL.
2095   // By returning NULL in that case, we instruct Blink to cancel that new
2096   // popup. So from the user perspective, only the first one will show, and
2097   // will have to close the first one before another one can be shown.
2098   if (external_popup_menu_)
2099     return NULL;
2100   external_popup_menu_.reset(
2101       new ExternalPopupMenu(this, popup_menu_info, popup_menu_client));
2102   if (render_view_->screen_metrics_emulator_) {
2103     render_view_->SetExternalPopupOriginAdjustmentsForEmulation(
2104         external_popup_menu_.get(),
2105         render_view_->screen_metrics_emulator_.get());
2106   }
2107   return external_popup_menu_.get();
2108 #else
2109   return NULL;
2110 #endif
2111 }
2112
2113 blink::WebCookieJar* RenderFrameImpl::cookieJar(blink::WebLocalFrame* frame) {
2114   DCHECK(!frame_ || frame_ == frame);
2115   return &cookie_jar_;
2116 }
2117
2118 blink::WebServiceWorkerProvider* RenderFrameImpl::createServiceWorkerProvider(
2119     blink::WebLocalFrame* frame) {
2120   DCHECK(!frame_ || frame_ == frame);
2121   // At this point we should have non-null data source.
2122   DCHECK(frame->dataSource());
2123   if (!ChildThreadImpl::current())
2124     return NULL;  // May be null in some tests.
2125   ServiceWorkerNetworkProvider* provider =
2126       ServiceWorkerNetworkProvider::FromDocumentState(
2127           DocumentState::FromDataSource(frame->dataSource()));
2128   DCHECK(provider);
2129   return new WebServiceWorkerProviderImpl(
2130       ChildThreadImpl::current()->thread_safe_sender(),
2131       provider->context());
2132 }
2133
2134 void RenderFrameImpl::didAccessInitialDocument(blink::WebLocalFrame* frame) {
2135   DCHECK(!frame_ || frame_ == frame);
2136   // If the request hasn't yet committed, notify the browser process that it is
2137   // no longer safe to show the pending URL of the main frame, since a URL spoof
2138   // is now possible. (If the request has committed, the browser already knows.)
2139   if (!frame->parent()) {
2140     DocumentState* document_state =
2141         DocumentState::FromDataSource(frame->dataSource());
2142     NavigationStateImpl* navigation_state =
2143         static_cast<NavigationStateImpl*>(document_state->navigation_state());
2144
2145     if (!navigation_state->request_committed()) {
2146       Send(new FrameHostMsg_DidAccessInitialDocument(routing_id_));
2147     }
2148   }
2149 }
2150
2151 blink::WebFrame* RenderFrameImpl::createChildFrame(
2152     blink::WebLocalFrame* parent,
2153     blink::WebTreeScopeType scope,
2154     const blink::WebString& name,
2155     blink::WebSandboxFlags sandbox_flags) {
2156   // Synchronously notify the browser of a child frame creation to get the
2157   // routing_id for the RenderFrame.
2158   int child_routing_id = MSG_ROUTING_NONE;
2159   Send(new FrameHostMsg_CreateChildFrame(
2160       routing_id_, scope,
2161       base::UTF16ToUTF8(base::StringPiece16(name)), sandbox_flags,
2162       &child_routing_id));
2163
2164   // Allocation of routing id failed, so we can't create a child frame. This can
2165   // happen if this RenderFrameImpl's IPCs are being filtered when in swapped
2166   // out state or synchronous IPC message above has failed.
2167   if (child_routing_id == MSG_ROUTING_NONE) {
2168     NOTREACHED() << "Failed to allocate routing id for child frame.";
2169     return nullptr;
2170   }
2171
2172   // Create the RenderFrame and WebLocalFrame, linking the two.
2173   RenderFrameImpl* child_render_frame = RenderFrameImpl::Create(
2174       render_view_.get(), child_routing_id);
2175   blink::WebLocalFrame* web_frame =
2176       WebLocalFrame::create(scope, child_render_frame);
2177   child_render_frame->SetWebFrame(web_frame);
2178
2179   // Add the frame to the frame tree and initialize it.
2180   parent->appendChild(web_frame);
2181   child_render_frame->Initialize();
2182
2183   return web_frame;
2184 }
2185
2186 void RenderFrameImpl::didDisownOpener(blink::WebLocalFrame* frame) {
2187   DCHECK(!frame_ || frame_ == frame);
2188   // We only need to notify the browser if the active, top-level frame clears
2189   // its opener.  We can ignore cases where a swapped out frame clears its
2190   // opener after hearing about it from the browser, and the browser does not
2191   // (yet) care about subframe openers.
2192   if (is_swapped_out_ || frame->parent())
2193     return;
2194
2195   // Notify WebContents and all its swapped out RenderViews.
2196   Send(new FrameHostMsg_DidDisownOpener(routing_id_));
2197 }
2198
2199 void RenderFrameImpl::frameDetached(blink::WebFrame* frame, DetachType type) {
2200   // NOTE: This function is called on the frame that is being detached and not
2201   // the parent frame.  This is different from createChildFrame() which is
2202   // called on the parent frame.
2203   CHECK(!is_detaching_);
2204   DCHECK(!frame_ || frame_ == frame);
2205
2206   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, FrameDetached());
2207   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2208                     FrameDetached(frame));
2209
2210   // We only notify the browser process when the frame is being detached for
2211   // removal. If the frame is being detached for swap, we don't need to do this
2212   // since we are not modifiying the frame tree.
2213   if (type == DetachType::Remove)
2214     Send(new FrameHostMsg_Detach(routing_id_));
2215
2216   // The |is_detaching_| flag disables Send(). FrameHostMsg_Detach must be
2217   // sent before setting |is_detaching_| to true.
2218   is_detaching_ = true;
2219
2220   // Clean up the associated RenderWidget for the frame, if there is one.
2221   if (render_widget_) {
2222     render_widget_->UnregisterRenderFrame(this);
2223     render_widget_->CloseForFrame();
2224   }
2225
2226   // We need to clean up subframes by removing them from the map and deleting
2227   // the RenderFrameImpl.  In contrast, the main frame is owned by its
2228   // containing RenderViewHost (so that they have the same lifetime), so only
2229   // removal from the map is needed and no deletion.
2230   FrameMap::iterator it = g_frame_map.Get().find(frame);
2231   CHECK(it != g_frame_map.Get().end());
2232   CHECK_EQ(it->second, this);
2233   g_frame_map.Get().erase(it);
2234
2235   // Only remove the frame from the renderer's frame tree if the frame is
2236   // being detached for removal. In the case of a swap, the frame needs to
2237   // remain in the tree so WebFrame::swap() can replace it with the new frame.
2238   if (is_subframe_ && type == DetachType::Remove)
2239     frame->parent()->removeChild(frame);
2240
2241   // |frame| is invalid after here.  Be sure to clear frame_ as well, since this
2242   // object may not be deleted immediately and other methods may try to access
2243   // it.
2244   frame->close();
2245   frame_ = nullptr;
2246
2247   delete this;
2248   // Object is invalid after this point.
2249 }
2250
2251 void RenderFrameImpl::frameFocused() {
2252   Send(new FrameHostMsg_FrameFocused(routing_id_));
2253 }
2254
2255 void RenderFrameImpl::willClose(blink::WebFrame* frame) {
2256   DCHECK(!frame_ || frame_ == frame);
2257
2258   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, FrameWillClose());
2259   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2260                     FrameWillClose(frame));
2261 }
2262
2263 void RenderFrameImpl::didChangeName(blink::WebLocalFrame* frame,
2264                                     const blink::WebString& name) {
2265   DCHECK(!frame_ || frame_ == frame);
2266
2267   // TODO(alexmos): According to https://crbug.com/169110, sending window.name
2268   // updates may have performance implications for benchmarks like SunSpider.
2269   // For now, send these updates only for --site-per-process, which needs to
2270   // replicate frame names to frame proxies, and when
2271   // |report_frame_name_changes| is set (used by <webview>).  If needed, this
2272   // can be optimized further by only sending the update if there are any
2273   // remote frames in the frame tree, or delaying and batching up IPCs if
2274   // updates are happening too frequently.
2275   if (SiteIsolationPolicy::AreCrossProcessFramesPossible() ||
2276       render_view_->renderer_preferences_.report_frame_name_changes) {
2277     Send(new FrameHostMsg_DidChangeName(
2278         routing_id_, base::UTF16ToUTF8(base::StringPiece16(name))));
2279   }
2280 }
2281
2282 void RenderFrameImpl::didChangeSandboxFlags(blink::WebFrame* child_frame,
2283                                             blink::WebSandboxFlags flags) {
2284   int frame_routing_id = MSG_ROUTING_NONE;
2285   if (child_frame->isWebRemoteFrame()) {
2286     frame_routing_id =
2287         RenderFrameProxy::FromWebFrame(child_frame)->routing_id();
2288   } else {
2289     frame_routing_id =
2290         RenderFrameImpl::FromWebFrame(child_frame)->GetRoutingID();
2291   }
2292
2293   Send(new FrameHostMsg_DidChangeSandboxFlags(routing_id_, frame_routing_id,
2294                                               flags));
2295 }
2296
2297 void RenderFrameImpl::didMatchCSS(
2298     blink::WebLocalFrame* frame,
2299     const blink::WebVector<blink::WebString>& newly_matching_selectors,
2300     const blink::WebVector<blink::WebString>& stopped_matching_selectors) {
2301   DCHECK(!frame_ || frame_ == frame);
2302
2303   FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
2304                     DidMatchCSS(newly_matching_selectors,
2305                                 stopped_matching_selectors));
2306 }
2307
2308 bool RenderFrameImpl::shouldReportDetailedMessageForSource(
2309     const blink::WebString& source) {
2310   return GetContentClient()->renderer()->ShouldReportDetailedMessageForSource(
2311       source);
2312 }
2313
2314 void RenderFrameImpl::didAddMessageToConsole(
2315     const blink::WebConsoleMessage& message,
2316     const blink::WebString& source_name,
2317     unsigned source_line,
2318     const blink::WebString& stack_trace) {
2319   logging::LogSeverity log_severity = logging::LOG_VERBOSE;
2320   switch (message.level) {
2321     case blink::WebConsoleMessage::LevelDebug:
2322       log_severity = logging::LOG_VERBOSE;
2323       break;
2324     case blink::WebConsoleMessage::LevelLog:
2325     case blink::WebConsoleMessage::LevelInfo:
2326       log_severity = logging::LOG_INFO;
2327       break;
2328     case blink::WebConsoleMessage::LevelWarning:
2329       log_severity = logging::LOG_WARNING;
2330       break;
2331     case blink::WebConsoleMessage::LevelError:
2332       log_severity = logging::LOG_ERROR;
2333       break;
2334     default:
2335       log_severity = logging::LOG_VERBOSE;
2336   }
2337
2338   if (shouldReportDetailedMessageForSource(source_name)) {
2339     FOR_EACH_OBSERVER(
2340         RenderFrameObserver, observers_,
2341         DetailedConsoleMessageAdded(message.text,
2342                                     source_name,
2343                                     stack_trace,
2344                                     source_line,
2345                                     static_cast<int32>(log_severity)));
2346   }
2347
2348   Send(new FrameHostMsg_AddMessageToConsole(routing_id_,
2349                                             static_cast<int32>(log_severity),
2350                                             message.text,
2351                                             static_cast<int32>(source_line),
2352                                             source_name));
2353 }
2354
2355 void RenderFrameImpl::loadURLExternally(
2356     blink::WebLocalFrame* frame,
2357     const blink::WebURLRequest& request,
2358     blink::WebNavigationPolicy policy,
2359     const blink::WebString& suggested_name) {
2360   DCHECK(!frame_ || frame_ == frame);
2361   Referrer referrer(RenderViewImpl::GetReferrerFromRequest(frame, request));
2362   if (policy == blink::WebNavigationPolicyDownload) {
2363     render_view_->Send(new ViewHostMsg_DownloadUrl(render_view_->GetRoutingID(),
2364                                                    request.url(), referrer,
2365                                                    suggested_name));
2366   } else {
2367     OpenURL(frame, request.url(), referrer, policy);
2368   }
2369 }
2370
2371 blink::WebNavigationPolicy RenderFrameImpl::decidePolicyForNavigation(
2372     const NavigationPolicyInfo& info) {
2373   DCHECK(!frame_ || frame_ == info.frame);
2374   return DecidePolicyForNavigation(this, info);
2375 }
2376
2377 blink::WebHistoryItem RenderFrameImpl::historyItemForNewChildFrame(
2378     blink::WebFrame* frame) {
2379   DCHECK(!frame_ || frame_ == frame);
2380   return render_view_->history_controller()->GetItemForNewChildFrame(this);
2381 }
2382
2383 void RenderFrameImpl::willSendSubmitEvent(blink::WebLocalFrame* frame,
2384                                           const blink::WebFormElement& form) {
2385   DCHECK(!frame_ || frame_ == frame);
2386
2387   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, WillSendSubmitEvent(form));
2388 }
2389
2390 void RenderFrameImpl::willSubmitForm(blink::WebLocalFrame* frame,
2391                                      const blink::WebFormElement& form) {
2392   DCHECK(!frame_ || frame_ == frame);
2393   DocumentState* document_state =
2394       DocumentState::FromDataSource(frame->provisionalDataSource());
2395   NavigationStateImpl* navigation_state =
2396       static_cast<NavigationStateImpl*>(document_state->navigation_state());
2397   InternalDocumentStateData* internal_data =
2398       InternalDocumentStateData::FromDocumentState(document_state);
2399
2400   if (ui::PageTransitionCoreTypeIs(navigation_state->GetTransitionType(),
2401                                    ui::PAGE_TRANSITION_LINK)) {
2402     navigation_state->set_transition_type(ui::PAGE_TRANSITION_FORM_SUBMIT);
2403   }
2404
2405   // Save these to be processed when the ensuing navigation is committed.
2406   WebSearchableFormData web_searchable_form_data(form);
2407   internal_data->set_searchable_form_url(web_searchable_form_data.url());
2408   internal_data->set_searchable_form_encoding(
2409       web_searchable_form_data.encoding().utf8());
2410
2411   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, WillSubmitForm(form));
2412 }
2413
2414 void RenderFrameImpl::didCreateDataSource(blink::WebLocalFrame* frame,
2415                                           blink::WebDataSource* datasource) {
2416   DCHECK(!frame_ || frame_ == frame);
2417
2418   bool content_initiated = !pending_navigation_params_.get();
2419
2420   // Make sure any previous redirect URLs end up in our new data source.
2421   if (pending_navigation_params_.get()) {
2422     for (const auto& i :
2423          pending_navigation_params_->request_params.redirects) {
2424       datasource->appendRedirect(i);
2425     }
2426   }
2427
2428   DocumentState* document_state = DocumentState::FromDataSource(datasource);
2429   if (!document_state) {
2430     document_state = new DocumentState;
2431     datasource->setExtraData(document_state);
2432     if (!content_initiated)
2433       PopulateDocumentStateFromPending(document_state);
2434   }
2435
2436   // Carry over the user agent override flag, if it exists.
2437   blink::WebView* webview = render_view_->webview();
2438   if (content_initiated && webview && webview->mainFrame() &&
2439       webview->mainFrame()->isWebLocalFrame() &&
2440       webview->mainFrame()->dataSource()) {
2441     DocumentState* old_document_state =
2442         DocumentState::FromDataSource(webview->mainFrame()->dataSource());
2443     if (old_document_state) {
2444       InternalDocumentStateData* internal_data =
2445           InternalDocumentStateData::FromDocumentState(document_state);
2446       InternalDocumentStateData* old_internal_data =
2447           InternalDocumentStateData::FromDocumentState(old_document_state);
2448       internal_data->set_is_overriding_user_agent(
2449           old_internal_data->is_overriding_user_agent());
2450     }
2451   }
2452
2453   // The rest of RenderView assumes that a WebDataSource will always have a
2454   // non-null NavigationState.
2455   if (content_initiated) {
2456     document_state->set_navigation_state(
2457         NavigationStateImpl::CreateContentInitiated());
2458   } else {
2459     document_state->set_navigation_state(CreateNavigationStateFromPending());
2460     pending_navigation_params_.reset();
2461   }
2462
2463   // DocumentState::referred_by_prefetcher_ is true if we are
2464   // navigating from a page that used prefetching using a link on that
2465   // page.  We are early enough in the request process here that we
2466   // can still see the DocumentState of the previous page and set
2467   // this value appropriately.
2468   // TODO(gavinp): catch the important case of navigation in a new
2469   // renderer process.
2470   if (webview) {
2471     if (WebFrame* old_frame = webview->mainFrame()) {
2472       const WebURLRequest& original_request = datasource->originalRequest();
2473       const GURL referrer(
2474           original_request.httpHeaderField(WebString::fromUTF8("Referer")));
2475       if (!referrer.is_empty() && old_frame->isWebLocalFrame() &&
2476           DocumentState::FromDataSource(old_frame->dataSource())
2477               ->was_prefetcher()) {
2478         for (; old_frame; old_frame = old_frame->traverseNext(false)) {
2479           WebDataSource* old_frame_datasource = old_frame->dataSource();
2480           if (old_frame_datasource &&
2481               referrer == GURL(old_frame_datasource->request().url())) {
2482             document_state->set_was_referred_by_prefetcher(true);
2483             break;
2484           }
2485         }
2486       }
2487     }
2488   }
2489
2490   if (content_initiated) {
2491     const WebURLRequest& request = datasource->request();
2492     switch (request.cachePolicy()) {
2493       case WebURLRequest::UseProtocolCachePolicy:  // normal load.
2494         document_state->set_load_type(DocumentState::LINK_LOAD_NORMAL);
2495         break;
2496       case WebURLRequest::ReloadIgnoringCacheData:  // reload.
2497       case WebURLRequest::ReloadBypassingCache:     // end-to-end reload.
2498         document_state->set_load_type(DocumentState::LINK_LOAD_RELOAD);
2499         break;
2500       case WebURLRequest::ReturnCacheDataElseLoad:  // allow stale data.
2501         document_state->set_load_type(DocumentState::LINK_LOAD_CACHE_STALE_OK);
2502         break;
2503       case WebURLRequest::ReturnCacheDataDontLoad:  // Don't re-post.
2504         document_state->set_load_type(DocumentState::LINK_LOAD_CACHE_ONLY);
2505         break;
2506       default:
2507         NOTREACHED();
2508     }
2509   }
2510
2511   // Create the serviceworker's per-document network observing object if it
2512   // does not exist (When navigation happens within a page, the provider already
2513   // exists).
2514   if (!ServiceWorkerNetworkProvider::FromDocumentState(
2515           DocumentState::FromDataSource(datasource))) {
2516     ServiceWorkerProviderType provider_type =
2517         SERVICE_WORKER_PROVIDER_FOR_WINDOW;
2518     if ((frame->effectiveSandboxFlags() & blink::WebSandboxFlags::Origin) ==
2519         blink::WebSandboxFlags::Origin) {
2520       provider_type = SERVICE_WORKER_PROVIDER_FOR_SANDBOXED_FRAME;
2521     }
2522     scoped_ptr<ServiceWorkerNetworkProvider> network_provider(
2523         new ServiceWorkerNetworkProvider(routing_id_, provider_type));
2524     ServiceWorkerNetworkProvider::AttachToDocumentState(
2525         DocumentState::FromDataSource(datasource),
2526         network_provider.Pass());
2527   }
2528 }
2529
2530 void RenderFrameImpl::didStartProvisionalLoad(blink::WebLocalFrame* frame,
2531                                               double triggering_event_time) {
2532   DCHECK(!frame_ || frame_ == frame);
2533   WebDataSource* ds = frame->provisionalDataSource();
2534
2535   // In fast/loader/stop-provisional-loads.html, we abort the load before this
2536   // callback is invoked.
2537   if (!ds)
2538     return;
2539
2540   TRACE_EVENT2("navigation", "RenderFrameImpl::didStartProvisionalLoad",
2541                "id", routing_id_, "url", ds->request().url().string().utf8());
2542   DocumentState* document_state = DocumentState::FromDataSource(ds);
2543
2544   // We should only navigate to swappedout:// when is_swapped_out_ is true.
2545   CHECK_IMPLIES(ds->request().url() == GURL(kSwappedOutURL), is_swapped_out_)
2546       << "Heard swappedout:// when not swapped out.";
2547
2548   // Update the request time if WebKit has better knowledge of it.
2549   if (document_state->request_time().is_null() &&
2550           triggering_event_time != 0.0) {
2551     document_state->set_request_time(Time::FromDoubleT(triggering_event_time));
2552   }
2553
2554   // Start time is only set after request time.
2555   document_state->set_start_load_time(Time::Now());
2556
2557   bool is_top_most = !frame->parent();
2558   if (is_top_most) {
2559     render_view_->set_navigation_gesture(
2560         WebUserGestureIndicator::isProcessingUserGesture() ?
2561             NavigationGestureUser : NavigationGestureAuto);
2562   } else if (ds->replacesCurrentHistoryItem()) {
2563     // Subframe navigations that don't add session history items must be
2564     // marked with AUTO_SUBFRAME. See also didFailProvisionalLoad for how we
2565     // handle loading of error pages.
2566     static_cast<NavigationStateImpl*>(document_state->navigation_state())
2567         ->set_transition_type(ui::PAGE_TRANSITION_AUTO_SUBFRAME);
2568   }
2569
2570   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2571                     DidStartProvisionalLoad(frame));
2572   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidStartProvisionalLoad());
2573
2574   Send(new FrameHostMsg_DidStartProvisionalLoadForFrame(
2575        routing_id_, ds->request().url()));
2576 }
2577
2578 void RenderFrameImpl::didReceiveServerRedirectForProvisionalLoad(
2579     blink::WebLocalFrame* frame) {
2580   DCHECK(!frame_ || frame_ == frame);
2581   render_view_->history_controller()->RemoveChildrenForRedirect(this);
2582 }
2583
2584 void RenderFrameImpl::didFailProvisionalLoad(
2585     blink::WebLocalFrame* frame,
2586     const blink::WebURLError& error,
2587     blink::WebHistoryCommitType commit_type) {
2588   TRACE_EVENT1("navigation", "RenderFrameImpl::didFailProvisionalLoad",
2589                "id", routing_id_);
2590   DCHECK(!frame_ || frame_ == frame);
2591   WebDataSource* ds = frame->provisionalDataSource();
2592   DCHECK(ds);
2593
2594   const WebURLRequest& failed_request = ds->request();
2595
2596   // Notify the browser that we failed a provisional load with an error.
2597   //
2598   // Note: It is important this notification occur before DidStopLoading so the
2599   //       SSL manager can react to the provisional load failure before being
2600   //       notified the load stopped.
2601   //
2602   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2603                     DidFailProvisionalLoad(frame, error));
2604   FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
2605                     DidFailProvisionalLoad(error));
2606
2607   SendFailedProvisionalLoad(failed_request, error, frame);
2608
2609   if (!ShouldDisplayErrorPageForFailedLoad(error.reason, error.unreachableURL))
2610     return;
2611
2612   // Make sure we never show errors in view source mode.
2613   frame->enableViewSourceMode(false);
2614
2615   DocumentState* document_state = DocumentState::FromDataSource(ds);
2616   NavigationStateImpl* navigation_state =
2617       static_cast<NavigationStateImpl*>(document_state->navigation_state());
2618
2619   // If this is a failed back/forward/reload navigation, then we need to do a
2620   // 'replace' load.  This is necessary to avoid messing up session history.
2621   // Otherwise, we do a normal load, which simulates a 'go' navigation as far
2622   // as session history is concerned.
2623   bool replace = commit_type != blink::WebStandardCommit;
2624
2625   // If we failed on a browser initiated request, then make sure that our error
2626   // page load is regarded as the same browser initiated request.
2627   if (!navigation_state->IsContentInitiated()) {
2628     pending_navigation_params_.reset(new NavigationParams(
2629         navigation_state->common_params(), navigation_state->start_params(),
2630         navigation_state->request_params()));
2631     pending_navigation_params_->request_params.request_time =
2632         document_state->request_time();
2633   }
2634
2635   // Load an error page.
2636   LoadNavigationErrorPage(failed_request, error, replace);
2637 }
2638
2639 void RenderFrameImpl::didCommitProvisionalLoad(
2640     blink::WebLocalFrame* frame,
2641     const blink::WebHistoryItem& item,
2642     blink::WebHistoryCommitType commit_type) {
2643   TRACE_EVENT2("navigation", "RenderFrameImpl::didCommitProvisionalLoad",
2644                "id", routing_id_,
2645                "url", GetLoadingUrl().possibly_invalid_spec());
2646   DCHECK(!frame_ || frame_ == frame);
2647   DocumentState* document_state =
2648       DocumentState::FromDataSource(frame->dataSource());
2649   NavigationStateImpl* navigation_state =
2650       static_cast<NavigationStateImpl*>(document_state->navigation_state());
2651
2652   if (proxy_routing_id_ != MSG_ROUTING_NONE) {
2653     RenderFrameProxy* proxy =
2654         RenderFrameProxy::FromRoutingID(proxy_routing_id_);
2655     CHECK(proxy);
2656     proxy->web_frame()->swap(frame_);
2657     proxy_routing_id_ = MSG_ROUTING_NONE;
2658
2659     // If this is the main frame going from a remote frame to a local frame,
2660     // it needs to set RenderViewImpl's pointer for the main frame to itself
2661     // and ensure RenderWidget is no longer in swapped out mode.
2662     if (!is_subframe_) {
2663       CHECK(!render_view_->main_render_frame_);
2664       render_view_->main_render_frame_ = this;
2665       if (render_view_->is_swapped_out())
2666         render_view_->SetSwappedOut(false);
2667     }
2668   }
2669
2670   // When we perform a new navigation, we need to update the last committed
2671   // session history entry with state for the page we are leaving. Do this
2672   // before updating the HistoryController state.
2673   render_view_->SendUpdateState();
2674
2675   render_view_->history_controller()->UpdateForCommit(
2676       this, item, commit_type, navigation_state->WasWithinSamePage());
2677
2678   InternalDocumentStateData* internal_data =
2679       InternalDocumentStateData::FromDocumentState(document_state);
2680
2681   if (document_state->commit_load_time().is_null())
2682     document_state->set_commit_load_time(Time::Now());
2683
2684   if (internal_data->must_reset_scroll_and_scale_state()) {
2685     render_view_->webview()->resetScrollAndScaleState();
2686     internal_data->set_must_reset_scroll_and_scale_state(false);
2687   }
2688
2689   bool is_new_navigation = commit_type == blink::WebStandardCommit;
2690   if (is_new_navigation) {
2691     // We bump our Page ID to correspond with the new session history entry.
2692     render_view_->page_id_ = render_view_->next_page_id_++;
2693
2694     // Don't update history list values for kSwappedOutURL, since
2695     // we don't want to forget the entry that was there, and since we will
2696     // never come back to kSwappedOutURL.  Note that we have to call
2697     // SendUpdateState and update page_id_ even in this case, so that
2698     // the current entry gets a state update and so that we don't send a
2699     // state update to the wrong entry when we swap back in.
2700     DCHECK_IMPLIES(
2701         navigation_state->common_params().should_replace_current_entry,
2702         render_view_->history_list_length_ > 0);
2703     if (GetLoadingUrl() != GURL(kSwappedOutURL) &&
2704         !navigation_state->common_params().should_replace_current_entry) {
2705       // Advance our offset in session history, applying the length limit.
2706       // There is now no forward history.
2707       render_view_->history_list_offset_++;
2708       if (render_view_->history_list_offset_ >= kMaxSessionHistoryEntries)
2709         render_view_->history_list_offset_ = kMaxSessionHistoryEntries - 1;
2710       render_view_->history_list_length_ =
2711           render_view_->history_list_offset_ + 1;
2712     }
2713   } else {
2714     const RequestNavigationParams& request_params =
2715         navigation_state->request_params();
2716     if (request_params.nav_entry_id != 0 &&
2717         !request_params.intended_as_new_entry) {
2718       // This is a successful session history navigation!
2719       render_view_->page_id_ = request_params.page_id;
2720
2721       render_view_->history_list_offset_ =
2722           request_params.pending_history_list_offset;
2723     }
2724   }
2725
2726   bool sent = Send(
2727       new FrameHostMsg_DidAssignPageId(routing_id_, render_view_->page_id_));
2728   CHECK(sent);  // http://crbug.com/407376
2729
2730   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers_,
2731                     DidCommitProvisionalLoad(frame, is_new_navigation));
2732   FOR_EACH_OBSERVER(
2733       RenderFrameObserver, observers_,
2734       DidCommitProvisionalLoad(is_new_navigation,
2735                                navigation_state->WasWithinSamePage()));
2736
2737   if (!frame->parent()) {  // Only for top frames.
2738     RenderThreadImpl* render_thread_impl = RenderThreadImpl::current();
2739     if (render_thread_impl) {  // Can be NULL in tests.
2740       render_thread_impl->histogram_customizer()->
2741           RenderViewNavigatedToHost(GURL(GetLoadingUrl()).host(),
2742                                     RenderView::GetRenderViewCount());
2743     }
2744   }
2745
2746   // Remember that we've already processed this request, so we don't update
2747   // the session history again.  We do this regardless of whether this is
2748   // a session history navigation, because if we attempted a session history
2749   // navigation without valid HistoryItem state, WebCore will think it is a
2750   // new navigation.
2751   navigation_state->set_request_committed(true);
2752
2753   SendDidCommitProvisionalLoad(frame, commit_type, item);
2754
2755   // Check whether we have new encoding name.
2756   UpdateEncoding(frame, frame->view()->pageEncoding().utf8());
2757 }
2758
2759 void RenderFrameImpl::didCreateNewDocument(blink::WebLocalFrame* frame) {
2760   DCHECK(!frame_ || frame_ == frame);
2761
2762   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidCreateNewDocument());
2763   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2764                     DidCreateNewDocument(frame));
2765 }
2766
2767 void RenderFrameImpl::didClearWindowObject(blink::WebLocalFrame* frame) {
2768   DCHECK(!frame_ || frame_ == frame);
2769
2770   int enabled_bindings = render_view_->GetEnabledBindings();
2771
2772   if (enabled_bindings & BINDINGS_POLICY_WEB_UI)
2773     WebUIExtension::Install(frame);
2774
2775   if (enabled_bindings & BINDINGS_POLICY_DOM_AUTOMATION)
2776     DomAutomationController::Install(this, frame);
2777
2778   if (enabled_bindings & BINDINGS_POLICY_STATS_COLLECTION)
2779     StatsCollectionController::Install(frame);
2780
2781   const base::CommandLine& command_line =
2782       *base::CommandLine::ForCurrentProcess();
2783
2784   if (command_line.HasSwitch(cc::switches::kEnableGpuBenchmarking))
2785     GpuBenchmarking::Install(frame);
2786
2787   if (command_line.HasSwitch(switches::kEnableMemoryBenchmarking))
2788     MemoryBenchmarkingExtension::Install(frame);
2789
2790   if (command_line.HasSwitch(switches::kEnableSkiaBenchmarking))
2791     SkiaBenchmarking::Install(frame);
2792
2793   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2794                     DidClearWindowObject(frame));
2795   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidClearWindowObject());
2796 }
2797
2798 void RenderFrameImpl::didCreateDocumentElement(blink::WebLocalFrame* frame) {
2799   DCHECK(!frame_ || frame_ == frame);
2800
2801   // Notify the browser about non-blank documents loading in the top frame.
2802   GURL url = frame->document().url();
2803   if (url.is_valid() && url.spec() != url::kAboutBlankURL) {
2804     // TODO(nasko): Check if webview()->mainFrame() is the same as the
2805     // frame->tree()->top().
2806     blink::WebFrame* main_frame = render_view_->webview()->mainFrame();
2807     if (frame == main_frame) {
2808       // For now, don't remember plugin zoom values.  We don't want to mix them
2809       // with normal web content (i.e. a fixed layout plugin would usually want
2810       // them different).
2811       render_view_->Send(new ViewHostMsg_DocumentAvailableInMainFrame(
2812           render_view_->GetRoutingID(),
2813           main_frame->document().isPluginDocument()));
2814     }
2815   }
2816
2817   FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
2818                     DidCreateDocumentElement());
2819   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2820                     DidCreateDocumentElement(frame));
2821 }
2822
2823 void RenderFrameImpl::didReceiveTitle(blink::WebLocalFrame* frame,
2824                                       const blink::WebString& title,
2825                                       blink::WebTextDirection direction) {
2826   DCHECK(!frame_ || frame_ == frame);
2827   // Ignore all but top level navigations.
2828   if (!frame->parent()) {
2829     base::string16 title16 = title;
2830     base::trace_event::TraceLog::GetInstance()->UpdateProcessLabel(
2831         routing_id_, base::UTF16ToUTF8(title16));
2832
2833     base::string16 shortened_title = title16.substr(0, kMaxTitleChars);
2834     Send(new FrameHostMsg_UpdateTitle(routing_id_,
2835                                       shortened_title, direction));
2836   }
2837
2838   // Also check whether we have new encoding name.
2839   UpdateEncoding(frame, frame->view()->pageEncoding().utf8());
2840 }
2841
2842 void RenderFrameImpl::didChangeIcon(blink::WebLocalFrame* frame,
2843                                     blink::WebIconURL::Type icon_type) {
2844   DCHECK(!frame_ || frame_ == frame);
2845   // TODO(nasko): Investigate wheather implementation should move here.
2846   render_view_->didChangeIcon(frame, icon_type);
2847 }
2848
2849 void RenderFrameImpl::didFinishDocumentLoad(blink::WebLocalFrame* frame,
2850                                             bool document_is_empty) {
2851   TRACE_EVENT1("navigation", "RenderFrameImpl::didFinishDocumentLoad",
2852                "id", routing_id_);
2853   DCHECK(!frame_ || frame_ == frame);
2854   WebDataSource* ds = frame->dataSource();
2855   DocumentState* document_state = DocumentState::FromDataSource(ds);
2856   document_state->set_finish_document_load_time(Time::Now());
2857
2858   Send(new FrameHostMsg_DidFinishDocumentLoad(routing_id_));
2859
2860   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2861                     DidFinishDocumentLoad(frame));
2862   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidFinishDocumentLoad());
2863
2864   // Check whether we have new encoding name.
2865   UpdateEncoding(frame, frame->view()->pageEncoding().utf8());
2866
2867   // If this is an empty document with an http status code indicating an error,
2868   // we may want to display our own error page, so the user doesn't end up
2869   // with an unexplained blank page.
2870   if (!document_is_empty)
2871     return;
2872
2873   // Do not show error page when DevTools is attached.
2874   RenderFrameImpl* localRoot = this;
2875   while (localRoot->frame_ && localRoot->frame_->parent() &&
2876          localRoot->frame_->parent()->isWebLocalFrame()) {
2877     localRoot = RenderFrameImpl::FromWebFrame(localRoot->frame_->parent());
2878     DCHECK(localRoot);
2879   }
2880   if (localRoot->devtools_agent_ && localRoot->devtools_agent_->IsAttached())
2881     return;
2882
2883   // Display error page instead of a blank page, if appropriate.
2884   std::string error_domain = "http";
2885   InternalDocumentStateData* internal_data =
2886       InternalDocumentStateData::FromDataSource(frame->dataSource());
2887   int http_status_code = internal_data->http_status_code();
2888   if (GetContentClient()->renderer()->HasErrorPage(http_status_code,
2889                                                    &error_domain)) {
2890     WebURLError error;
2891     error.unreachableURL = frame->document().url();
2892     error.domain = WebString::fromUTF8(error_domain);
2893     error.reason = http_status_code;
2894     LoadNavigationErrorPage(frame->dataSource()->request(), error, true);
2895   }
2896 }
2897
2898 void RenderFrameImpl::didHandleOnloadEvents(blink::WebLocalFrame* frame) {
2899   DCHECK(!frame_ || frame_ == frame);
2900   if (!frame->parent()) {
2901     FrameMsg_UILoadMetricsReportType::Value report_type =
2902         static_cast<FrameMsg_UILoadMetricsReportType::Value>(
2903             frame->dataSource()->request().inputPerfMetricReportPolicy());
2904     base::TimeTicks ui_timestamp = base::TimeTicks() +
2905         base::TimeDelta::FromSecondsD(
2906             frame->dataSource()->request().uiStartTime());
2907
2908     Send(new FrameHostMsg_DocumentOnLoadCompleted(
2909         routing_id_, report_type, ui_timestamp));
2910   }
2911 }
2912
2913 void RenderFrameImpl::didFailLoad(blink::WebLocalFrame* frame,
2914                                   const blink::WebURLError& error,
2915                                   blink::WebHistoryCommitType commit_type) {
2916   TRACE_EVENT1("navigation", "RenderFrameImpl::didFailLoad",
2917                "id", routing_id_);
2918   DCHECK(!frame_ || frame_ == frame);
2919   // TODO(nasko): Move implementation here. No state needed.
2920   WebDataSource* ds = frame->dataSource();
2921   DCHECK(ds);
2922
2923   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2924                     DidFailLoad(frame, error));
2925
2926   const WebURLRequest& failed_request = ds->request();
2927   base::string16 error_description;
2928   GetContentClient()->renderer()->GetNavigationErrorStrings(
2929       render_view_.get(),
2930       frame,
2931       failed_request,
2932       error,
2933       NULL,
2934       &error_description);
2935   Send(new FrameHostMsg_DidFailLoadWithError(routing_id_,
2936                                              failed_request.url(),
2937                                              error.reason,
2938                                              error_description,
2939                                              error.wasIgnoredByHandler));
2940 }
2941
2942 void RenderFrameImpl::didFinishLoad(blink::WebLocalFrame* frame) {
2943   TRACE_EVENT1("navigation", "RenderFrameImpl::didFinishLoad",
2944                "id", routing_id_);
2945   DCHECK(!frame_ || frame_ == frame);
2946   WebDataSource* ds = frame->dataSource();
2947   DocumentState* document_state = DocumentState::FromDataSource(ds);
2948   if (document_state->finish_load_time().is_null()) {
2949     if (!frame->parent()) {
2950       TRACE_EVENT_INSTANT0("WebCore", "LoadFinished",
2951                            TRACE_EVENT_SCOPE_PROCESS);
2952     }
2953     document_state->set_finish_load_time(Time::Now());
2954   }
2955
2956   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2957                     DidFinishLoad(frame));
2958   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidFinishLoad());
2959
2960   // Don't send this message while the frame is swapped out.
2961   if (is_swapped_out())
2962     return;
2963
2964   Send(new FrameHostMsg_DidFinishLoad(routing_id_,
2965                                       ds->request().url()));
2966 }
2967
2968 void RenderFrameImpl::didNavigateWithinPage(blink::WebLocalFrame* frame,
2969     const blink::WebHistoryItem& item,
2970     blink::WebHistoryCommitType commit_type) {
2971   TRACE_EVENT1("navigation", "RenderFrameImpl::didNavigateWithinPage",
2972                "id", routing_id_);
2973   DCHECK(!frame_ || frame_ == frame);
2974   // If this was a reference fragment navigation that we initiated, then we
2975   // could end up having a non-null pending navigation params.  We just need to
2976   // update the ExtraData on the datasource so that others who read the
2977   // ExtraData will get the new NavigationState.  Similarly, if we did not
2978   // initiate this navigation, then we need to take care to reset any pre-
2979   // existing navigation state to a content-initiated navigation state.
2980   // didCreateDataSource conveniently takes care of this for us.
2981   didCreateDataSource(frame, frame->dataSource());
2982
2983   DocumentState* document_state =
2984       DocumentState::FromDataSource(frame->dataSource());
2985   static_cast<NavigationStateImpl*>(document_state->navigation_state())
2986       ->set_was_within_same_page(true);
2987
2988   didCommitProvisionalLoad(frame, item, commit_type);
2989 }
2990
2991 void RenderFrameImpl::didUpdateCurrentHistoryItem(blink::WebLocalFrame* frame) {
2992   DCHECK(!frame_ || frame_ == frame);
2993   // TODO(nasko): Move implementation here. Needed methods:
2994   // * StartNavStateSyncTimerIfNecessary
2995   render_view_->didUpdateCurrentHistoryItem(frame);
2996 }
2997
2998 void RenderFrameImpl::didChangeThemeColor() {
2999   if (frame_->parent())
3000     return;
3001
3002   Send(new FrameHostMsg_DidChangeThemeColor(
3003       routing_id_, frame_->document().themeColor()));
3004 }
3005
3006 void RenderFrameImpl::dispatchLoad() {
3007   Send(new FrameHostMsg_DispatchLoad(routing_id_));
3008 }
3009
3010 void RenderFrameImpl::requestNotificationPermission(
3011     const blink::WebSecurityOrigin& origin,
3012     blink::WebNotificationPermissionCallback* callback) {
3013   if (!notification_permission_dispatcher_) {
3014     notification_permission_dispatcher_ =
3015         new NotificationPermissionDispatcher(this);
3016   }
3017
3018   notification_permission_dispatcher_->RequestPermission(origin, callback);
3019 }
3020
3021 void RenderFrameImpl::didChangeSelection(bool is_empty_selection) {
3022   if (!GetRenderWidget()->handling_input_event() && !handling_select_range_)
3023     return;
3024
3025   if (is_empty_selection)
3026     selection_text_.clear();
3027
3028   // UpdateTextInputState should be called before SyncSelectionIfRequired.
3029   // UpdateTextInputState may send TextInputStateChanged to notify the focus
3030   // was changed, and SyncSelectionIfRequired may send SelectionChanged
3031   // to notify the selection was changed.  Focus change should be notified
3032   // before selection change.
3033   GetRenderWidget()->UpdateTextInputState(
3034       RenderWidget::NO_SHOW_IME, RenderWidget::FROM_NON_IME);
3035   SyncSelectionIfRequired();
3036 }
3037
3038 blink::WebColorChooser* RenderFrameImpl::createColorChooser(
3039     blink::WebColorChooserClient* client,
3040     const blink::WebColor& initial_color,
3041     const blink::WebVector<blink::WebColorSuggestion>& suggestions) {
3042   RendererWebColorChooserImpl* color_chooser =
3043       new RendererWebColorChooserImpl(this, client);
3044   std::vector<ColorSuggestion> color_suggestions;
3045   for (size_t i = 0; i < suggestions.size(); i++) {
3046     color_suggestions.push_back(ColorSuggestion(suggestions[i]));
3047   }
3048   color_chooser->Open(static_cast<SkColor>(initial_color), color_suggestions);
3049   return color_chooser;
3050 }
3051
3052 void RenderFrameImpl::runModalAlertDialog(const blink::WebString& message) {
3053   RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_ALERT,
3054                        message,
3055                        base::string16(),
3056                        frame_->document().url(),
3057                        NULL);
3058 }
3059
3060 bool RenderFrameImpl::runModalConfirmDialog(const blink::WebString& message) {
3061   return RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_CONFIRM,
3062                               message,
3063                               base::string16(),
3064                               frame_->document().url(),
3065                               NULL);
3066 }
3067
3068 bool RenderFrameImpl::runModalPromptDialog(
3069     const blink::WebString& message,
3070     const blink::WebString& default_value,
3071     blink::WebString* actual_value) {
3072   base::string16 result;
3073   bool ok = RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_PROMPT,
3074                                  message,
3075                                  default_value,
3076                                  frame_->document().url(),
3077                                  &result);
3078   if (ok)
3079     actual_value->assign(result);
3080   return ok;
3081 }
3082
3083 bool RenderFrameImpl::runModalBeforeUnloadDialog(
3084     bool is_reload,
3085     const blink::WebString& message) {
3086   // If we are swapping out, we have already run the beforeunload handler.
3087   // TODO(creis): Fix OnSwapOut to clear the frame without running beforeunload
3088   // at all, to avoid running it twice.
3089   if (is_swapped_out_)
3090     return true;
3091
3092   // Don't allow further dialogs if we are waiting to swap out, since the
3093   // PageGroupLoadDeferrer in our stack prevents it.
3094   if (render_view()->suppress_dialogs_until_swap_out_)
3095     return false;
3096
3097   bool success = false;
3098   // This is an ignored return value, but is included so we can accept the same
3099   // response as RunJavaScriptMessage.
3100   base::string16 ignored_result;
3101   render_view()->SendAndRunNestedMessageLoop(
3102       new FrameHostMsg_RunBeforeUnloadConfirm(
3103           routing_id_, frame_->document().url(), message, is_reload,
3104           &success, &ignored_result));
3105   return success;
3106 }
3107
3108 void RenderFrameImpl::showContextMenu(const blink::WebContextMenuData& data) {
3109   ContextMenuParams params = ContextMenuParamsBuilder::Build(data);
3110   params.source_type = GetRenderWidget()->context_menu_source_type();
3111   GetRenderWidget()->OnShowHostContextMenu(&params);
3112   if (GetRenderWidget()->has_host_context_menu_location()) {
3113     params.x = GetRenderWidget()->host_context_menu_location().x();
3114     params.y = GetRenderWidget()->host_context_menu_location().y();
3115   }
3116
3117   // Serializing a GURL longer than kMaxURLChars will fail, so don't do
3118   // it.  We replace it with an empty GURL so the appropriate items are disabled
3119   // in the context menu.
3120   // TODO(jcivelli): http://crbug.com/45160 This prevents us from saving large
3121   //                 data encoded images.  We should have a way to save them.
3122   if (params.src_url.spec().size() > GetMaxURLChars())
3123     params.src_url = GURL();
3124   context_menu_node_ = data.node;
3125
3126 #if defined(OS_ANDROID)
3127   gfx::Rect start_rect;
3128   gfx::Rect end_rect;
3129   GetRenderWidget()->GetSelectionBounds(&start_rect, &end_rect);
3130   params.selection_start = gfx::Point(start_rect.x(), start_rect.bottom());
3131   params.selection_end = gfx::Point(end_rect.right(), end_rect.bottom());
3132 #endif
3133
3134   Send(new FrameHostMsg_ContextMenu(routing_id_, params));
3135 }
3136
3137 void RenderFrameImpl::clearContextMenu() {
3138   context_menu_node_.reset();
3139 }
3140
3141 void RenderFrameImpl::willSendRequest(
3142     blink::WebLocalFrame* frame,
3143     unsigned identifier,
3144     blink::WebURLRequest& request,
3145     const blink::WebURLResponse& redirect_response) {
3146   DCHECK(!frame_ || frame_ == frame);
3147   // The request my be empty during tests.
3148   if (request.url().isEmpty())
3149     return;
3150
3151   // Set the first party for cookies url if it has not been set yet (new
3152   // requests). For redirects, it is updated by WebURLLoaderImpl.
3153   if (request.firstPartyForCookies().isEmpty()) {
3154     if (request.frameType() == blink::WebURLRequest::FrameTypeTopLevel) {
3155       request.setFirstPartyForCookies(request.url());
3156     } else {
3157       // TODO(nasko): When the top-level frame is remote, there is no document.
3158       // This is broken and should be fixed to propagate the first party.
3159       WebFrame* top = frame->top();
3160       if (top->isWebLocalFrame()) {
3161         request.setFirstPartyForCookies(
3162             frame->top()->document().firstPartyForCookies());
3163       }
3164     }
3165   }
3166
3167   WebDataSource* provisional_data_source = frame->provisionalDataSource();
3168   WebDataSource* data_source =
3169       provisional_data_source ? provisional_data_source : frame->dataSource();
3170
3171   DocumentState* document_state = DocumentState::FromDataSource(data_source);
3172   DCHECK(document_state);
3173   InternalDocumentStateData* internal_data =
3174       InternalDocumentStateData::FromDocumentState(document_state);
3175   NavigationStateImpl* navigation_state =
3176       static_cast<NavigationStateImpl*>(document_state->navigation_state());
3177   ui::PageTransition transition_type = navigation_state->GetTransitionType();
3178   if (provisional_data_source && provisional_data_source->isClientRedirect()) {
3179     transition_type = ui::PageTransitionFromInt(
3180         transition_type | ui::PAGE_TRANSITION_CLIENT_REDIRECT);
3181   }
3182
3183   GURL request_url(request.url());
3184   GURL new_url;
3185   if (GetContentClient()->renderer()->WillSendRequest(
3186           frame,
3187           transition_type,
3188           request_url,
3189           request.firstPartyForCookies(),
3190           &new_url)) {
3191     request.setURL(WebURL(new_url));
3192   }
3193
3194   if (internal_data->is_cache_policy_override_set())
3195     request.setCachePolicy(internal_data->cache_policy_override());
3196
3197   // The request's extra data may indicate that we should set a custom user
3198   // agent. This needs to be done here, after WebKit is through with setting the
3199   // user agent on its own. Similarly, it may indicate that we should set an
3200   // X-Requested-With header. This must be done here to avoid breaking CORS
3201   // checks.
3202   // PlzNavigate: there may also be a stream url associated with the request.
3203   WebString custom_user_agent;
3204   WebString requested_with;
3205   scoped_ptr<StreamOverrideParameters> stream_override;
3206   if (request.extraData()) {
3207     RequestExtraData* old_extra_data =
3208         static_cast<RequestExtraData*>(request.extraData());
3209
3210     custom_user_agent = old_extra_data->custom_user_agent();
3211     if (!custom_user_agent.isNull()) {
3212       if (custom_user_agent.isEmpty())
3213         request.clearHTTPHeaderField("User-Agent");
3214       else
3215         request.setHTTPHeaderField("User-Agent", custom_user_agent);
3216     }
3217
3218     requested_with = old_extra_data->requested_with();
3219     if (!requested_with.isNull()) {
3220       if (requested_with.isEmpty())
3221         request.clearHTTPHeaderField("X-Requested-With");
3222       else
3223         request.setHTTPHeaderField("X-Requested-With", requested_with);
3224     }
3225     stream_override = old_extra_data->TakeStreamOverrideOwnership();
3226   }
3227
3228   // Add the default accept header for frame request if it has not been set
3229   // already.
3230   if ((request.frameType() == blink::WebURLRequest::FrameTypeTopLevel ||
3231        request.frameType() == blink::WebURLRequest::FrameTypeNested) &&
3232       request.httpHeaderField(WebString::fromUTF8(kAcceptHeader)).isEmpty()) {
3233     request.setHTTPHeaderField(WebString::fromUTF8(kAcceptHeader),
3234                                WebString::fromUTF8(kDefaultAcceptHeader));
3235   }
3236
3237   // Add an empty HTTP origin header for non GET methods if none is currently
3238   // present.
3239   request.addHTTPOriginIfNeeded(WebString());
3240
3241   // Attach |should_replace_current_entry| state to requests so that, should
3242   // this navigation later require a request transfer, all state is preserved
3243   // when it is re-created in the new process.
3244   bool should_replace_current_entry = false;
3245   if (navigation_state->IsContentInitiated()) {
3246     should_replace_current_entry = data_source->replacesCurrentHistoryItem();
3247   } else {
3248     // If the navigation is browser-initiated, the NavigationState contains the
3249     // correct value instead of the WebDataSource.
3250     //
3251     // TODO(davidben): Avoid this awkward duplication of state. See comment on
3252     // NavigationState::should_replace_current_entry().
3253     should_replace_current_entry =
3254         navigation_state->common_params().should_replace_current_entry;
3255   }
3256
3257   int provider_id = kInvalidServiceWorkerProviderId;
3258   if (request.frameType() == blink::WebURLRequest::FrameTypeTopLevel ||
3259       request.frameType() == blink::WebURLRequest::FrameTypeNested) {
3260     // |provisionalDataSource| may be null in some content::ResourceFetcher
3261     // use cases, we don't hook those requests.
3262     if (frame->provisionalDataSource()) {
3263       ServiceWorkerNetworkProvider* provider =
3264           ServiceWorkerNetworkProvider::FromDocumentState(
3265               DocumentState::FromDataSource(frame->provisionalDataSource()));
3266       provider_id = provider->provider_id();
3267     }
3268   } else if (frame->dataSource()) {
3269     ServiceWorkerNetworkProvider* provider =
3270         ServiceWorkerNetworkProvider::FromDocumentState(
3271             DocumentState::FromDataSource(frame->dataSource()));
3272     provider_id = provider->provider_id();
3273   }
3274
3275   WebFrame* parent = frame->parent();
3276   int parent_routing_id = MSG_ROUTING_NONE;
3277   if (!parent) {
3278     parent_routing_id = -1;
3279   } else if (parent->isWebLocalFrame()) {
3280     parent_routing_id = FromWebFrame(parent)->GetRoutingID();
3281   } else {
3282     parent_routing_id = RenderFrameProxy::FromWebFrame(parent)->routing_id();
3283   }
3284
3285   RequestExtraData* extra_data = new RequestExtraData();
3286   extra_data->set_visibility_state(render_view_->visibilityState());
3287   extra_data->set_custom_user_agent(custom_user_agent);
3288   extra_data->set_requested_with(requested_with);
3289   extra_data->set_render_frame_id(routing_id_);
3290   extra_data->set_is_main_frame(!parent);
3291   extra_data->set_frame_origin(
3292       GURL(frame->document().securityOrigin().toString()));
3293   extra_data->set_parent_is_main_frame(parent && !parent->parent());
3294   extra_data->set_parent_render_frame_id(parent_routing_id);
3295   extra_data->set_allow_download(
3296       navigation_state->common_params().allow_download);
3297   extra_data->set_transition_type(transition_type);
3298   extra_data->set_should_replace_current_entry(should_replace_current_entry);
3299   extra_data->set_transferred_request_child_id(
3300       navigation_state->start_params().transferred_request_child_id);
3301   extra_data->set_transferred_request_request_id(
3302       navigation_state->start_params().transferred_request_request_id);
3303   extra_data->set_service_worker_provider_id(provider_id);
3304   extra_data->set_stream_override(stream_override.Pass());
3305   request.setExtraData(extra_data);
3306
3307   // TODO(creis): Update prefetching to work with out-of-process iframes.
3308   WebFrame* top_frame = frame->top();
3309   if (top_frame && top_frame->isWebLocalFrame()) {
3310     DocumentState* top_document_state =
3311         DocumentState::FromDataSource(top_frame->dataSource());
3312     if (top_document_state) {
3313       // TODO(gavinp): separate out prefetching and prerender field trials
3314       // if the rel=prerender rel type is sticking around.
3315       if (request.requestContext() == WebURLRequest::RequestContextPrefetch)
3316         top_document_state->set_was_prefetcher(true);
3317     }
3318   }
3319
3320   // This is an instance where we embed a copy of the routing id
3321   // into the data portion of the message. This can cause problems if we
3322   // don't register this id on the browser side, since the download manager
3323   // expects to find a RenderViewHost based off the id.
3324   request.setRequestorID(render_view_->GetRoutingID());
3325   request.setHasUserGesture(WebUserGestureIndicator::isProcessingUserGesture());
3326
3327   if (!navigation_state->start_params().extra_headers.empty()) {
3328     for (net::HttpUtil::HeadersIterator i(
3329              navigation_state->start_params().extra_headers.begin(),
3330              navigation_state->start_params().extra_headers.end(), "\n");
3331          i.GetNext();) {
3332       if (base::LowerCaseEqualsASCII(i.name(), "referer")) {
3333         WebString referrer = WebSecurityPolicy::generateReferrerHeader(
3334             blink::WebReferrerPolicyDefault,
3335             request.url(),
3336             WebString::fromUTF8(i.values()));
3337         request.setHTTPReferrer(referrer, blink::WebReferrerPolicyDefault);
3338       } else {
3339         request.setHTTPHeaderField(WebString::fromUTF8(i.name()),
3340                                    WebString::fromUTF8(i.values()));
3341       }
3342     }
3343   }
3344
3345   if (!render_view_->renderer_preferences_.enable_referrers)
3346     request.setHTTPReferrer(WebString(), blink::WebReferrerPolicyDefault);
3347 }
3348
3349 void RenderFrameImpl::didReceiveResponse(
3350     blink::WebLocalFrame* frame,
3351     unsigned identifier,
3352     const blink::WebURLResponse& response) {
3353   DCHECK(!frame_ || frame_ == frame);
3354   // Only do this for responses that correspond to a provisional data source
3355   // of the top-most frame.  If we have a provisional data source, then we
3356   // can't have any sub-resources yet, so we know that this response must
3357   // correspond to a frame load.
3358   if (!frame->provisionalDataSource() || frame->parent())
3359     return;
3360
3361   // If we are in view source mode, then just let the user see the source of
3362   // the server's error page.
3363   if (frame->isViewSourceModeEnabled())
3364     return;
3365
3366   DocumentState* document_state =
3367       DocumentState::FromDataSource(frame->provisionalDataSource());
3368   int http_status_code = response.httpStatusCode();
3369
3370   // Record page load flags.
3371   WebURLResponseExtraDataImpl* extra_data = GetExtraDataFromResponse(response);
3372   if (extra_data) {
3373     document_state->set_was_fetched_via_spdy(
3374         extra_data->was_fetched_via_spdy());
3375     document_state->set_was_npn_negotiated(
3376         extra_data->was_npn_negotiated());
3377     document_state->set_npn_negotiated_protocol(
3378         extra_data->npn_negotiated_protocol());
3379     document_state->set_was_alternate_protocol_available(
3380         extra_data->was_alternate_protocol_available());
3381     document_state->set_connection_info(
3382         extra_data->connection_info());
3383     document_state->set_was_fetched_via_proxy(
3384         extra_data->was_fetched_via_proxy());
3385     document_state->set_proxy_server(
3386         extra_data->proxy_server());
3387   }
3388   InternalDocumentStateData* internal_data =
3389       InternalDocumentStateData::FromDocumentState(document_state);
3390   internal_data->set_http_status_code(http_status_code);
3391 }
3392
3393 void RenderFrameImpl::didLoadResourceFromMemoryCache(
3394     blink::WebLocalFrame* frame,
3395     const blink::WebURLRequest& request,
3396     const blink::WebURLResponse& response) {
3397   DCHECK(!frame_ || frame_ == frame);
3398   // The recipients of this message have no use for data: URLs: they don't
3399   // affect the page's insecure content list and are not in the disk cache. To
3400   // prevent large (1M+) data: URLs from crashing in the IPC system, we simply
3401   // filter them out here.
3402   GURL url(request.url());
3403   if (url.SchemeIs(url::kDataScheme))
3404     return;
3405
3406   // Let the browser know we loaded a resource from the memory cache.  This
3407   // message is needed to display the correct SSL indicators.
3408   render_view_->Send(new ViewHostMsg_DidLoadResourceFromMemoryCache(
3409       render_view_->GetRoutingID(),
3410       url,
3411       response.securityInfo(),
3412       request.httpMethod().utf8(),
3413       response.mimeType().utf8(),
3414       WebURLRequestToResourceType(request)));
3415 }
3416
3417 void RenderFrameImpl::didDisplayInsecureContent(blink::WebLocalFrame* frame) {
3418   DCHECK(!frame_ || frame_ == frame);
3419   render_view_->Send(new ViewHostMsg_DidDisplayInsecureContent(
3420       render_view_->GetRoutingID()));
3421 }
3422
3423 void RenderFrameImpl::didRunInsecureContent(
3424     blink::WebLocalFrame* frame,
3425     const blink::WebSecurityOrigin& origin,
3426     const blink::WebURL& target) {
3427   DCHECK(!frame_ || frame_ == frame);
3428   render_view_->Send(new ViewHostMsg_DidRunInsecureContent(
3429       render_view_->GetRoutingID(),
3430       origin.toString().utf8(),
3431       target));
3432   GetContentClient()->renderer()->RecordRapporURL(
3433       "ContentSettings.MixedScript.RanMixedScript",
3434       GURL(origin.toString().utf8()));
3435 }
3436
3437 void RenderFrameImpl::didAbortLoading(blink::WebLocalFrame* frame) {
3438   DCHECK(!frame_ || frame_ == frame);
3439 #if defined(ENABLE_PLUGINS)
3440   if (frame != render_view_->webview()->mainFrame())
3441     return;
3442   PluginChannelHost::Broadcast(
3443       new PluginHostMsg_DidAbortLoading(render_view_->GetRoutingID()));
3444 #endif
3445 }
3446
3447 void RenderFrameImpl::didCreateScriptContext(blink::WebLocalFrame* frame,
3448                                              v8::Local<v8::Context> context,
3449                                              int extension_group,
3450                                              int world_id) {
3451   DCHECK(!frame_ || frame_ == frame);
3452
3453   FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
3454                     DidCreateScriptContext(context, extension_group, world_id));
3455 }
3456
3457 void RenderFrameImpl::willReleaseScriptContext(blink::WebLocalFrame* frame,
3458                                                v8::Local<v8::Context> context,
3459                                                int world_id) {
3460   DCHECK(!frame_ || frame_ == frame);
3461
3462   FOR_EACH_OBSERVER(RenderFrameObserver,
3463                     observers_,
3464                     WillReleaseScriptContext(context, world_id));
3465 }
3466
3467 void RenderFrameImpl::didFirstVisuallyNonEmptyLayout(
3468     blink::WebLocalFrame* frame) {
3469   DCHECK(!frame_ || frame_ == frame);
3470   if (frame->parent())
3471     return;
3472
3473   InternalDocumentStateData* data =
3474       InternalDocumentStateData::FromDataSource(frame->dataSource());
3475   data->set_did_first_visually_non_empty_layout(true);
3476
3477 #if defined(OS_ANDROID)
3478   GetRenderWidget()->DidChangeBodyBackgroundColor(
3479       render_view_->webwidget_->backgroundColor());
3480 #endif
3481
3482   GetRenderWidget()->QueueMessage(
3483       new FrameHostMsg_DidFirstVisuallyNonEmptyPaint(routing_id_),
3484       MESSAGE_DELIVERY_POLICY_WITH_VISUAL_STATE);
3485 }
3486
3487 void RenderFrameImpl::didChangeScrollOffset(blink::WebLocalFrame* frame) {
3488   DCHECK(!frame_ || frame_ == frame);
3489   // TODO(nasko): Move implementation here. Needed methods:
3490   // * StartNavStateSyncTimerIfNecessary
3491   render_view_->didChangeScrollOffset(frame);
3492
3493   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidChangeScrollOffset());
3494 }
3495
3496 void RenderFrameImpl::willInsertBody(blink::WebLocalFrame* frame) {
3497   DCHECK(!frame_ || frame_ == frame);
3498   if (!frame->parent()) {
3499     render_view_->Send(new ViewHostMsg_WillInsertBody(
3500         render_view_->GetRoutingID()));
3501   }
3502 }
3503
3504 void RenderFrameImpl::reportFindInPageMatchCount(int request_id,
3505                                                  int count,
3506                                                  bool final_update) {
3507   int active_match_ordinal = -1;  // -1 = don't update active match ordinal
3508   if (!count)
3509     active_match_ordinal = 0;
3510
3511   render_view_->Send(new ViewHostMsg_Find_Reply(
3512       render_view_->GetRoutingID(), request_id, count,
3513       gfx::Rect(), active_match_ordinal, final_update));
3514 }
3515
3516 void RenderFrameImpl::reportFindInPageSelection(
3517     int request_id,
3518     int active_match_ordinal,
3519     const blink::WebRect& selection_rect) {
3520   render_view_->Send(new ViewHostMsg_Find_Reply(
3521       render_view_->GetRoutingID(), request_id, -1, selection_rect,
3522       active_match_ordinal, false));
3523 }
3524
3525 void RenderFrameImpl::requestStorageQuota(
3526     blink::WebLocalFrame* frame,
3527     blink::WebStorageQuotaType type,
3528     unsigned long long requested_size,
3529     blink::WebStorageQuotaCallbacks callbacks) {
3530   DCHECK(!frame_ || frame_ == frame);
3531   WebSecurityOrigin origin = frame->document().securityOrigin();
3532   if (origin.isUnique()) {
3533     // Unique origins cannot store persistent state.
3534     callbacks.didFail(blink::WebStorageQuotaErrorAbort);
3535     return;
3536   }
3537   ChildThreadImpl::current()->quota_dispatcher()->RequestStorageQuota(
3538       render_view_->GetRoutingID(),
3539       GURL(origin.toString()),
3540       static_cast<storage::StorageType>(type),
3541       requested_size,
3542       QuotaDispatcher::CreateWebStorageQuotaCallbacksWrapper(callbacks));
3543 }
3544
3545 void RenderFrameImpl::willOpenWebSocket(blink::WebSocketHandle* handle) {
3546   WebSocketBridge* impl = static_cast<WebSocketBridge*>(handle);
3547   impl->set_render_frame_id(routing_id_);
3548 }
3549
3550 blink::WebGeolocationClient* RenderFrameImpl::geolocationClient() {
3551   if (!geolocation_dispatcher_)
3552     geolocation_dispatcher_ = new GeolocationDispatcher(this);
3553   return geolocation_dispatcher_;
3554 }
3555
3556 blink::WebPresentationClient* RenderFrameImpl::presentationClient() {
3557   if (!presentation_dispatcher_)
3558     presentation_dispatcher_ = new PresentationDispatcher(this);
3559   return presentation_dispatcher_;
3560 }
3561
3562 blink::WebPushClient* RenderFrameImpl::pushClient() {
3563   if (!push_messaging_dispatcher_)
3564     push_messaging_dispatcher_ = new PushMessagingDispatcher(this);
3565   return push_messaging_dispatcher_;
3566 }
3567
3568 void RenderFrameImpl::willStartUsingPeerConnectionHandler(
3569     blink::WebLocalFrame* frame,
3570     blink::WebRTCPeerConnectionHandler* handler) {
3571   DCHECK(!frame_ || frame_ == frame);
3572 #if defined(ENABLE_WEBRTC)
3573   static_cast<RTCPeerConnectionHandler*>(handler)->associateWithFrame(frame);
3574 #endif
3575 }
3576
3577 blink::WebUserMediaClient* RenderFrameImpl::userMediaClient() {
3578   if (!web_user_media_client_)
3579     InitializeUserMediaClient();
3580   return web_user_media_client_;
3581 }
3582
3583 blink::WebEncryptedMediaClient* RenderFrameImpl::encryptedMediaClient() {
3584   if (!web_encrypted_media_client_) {
3585     web_encrypted_media_client_.reset(new media::WebEncryptedMediaClientImpl(
3586         // base::Unretained(this) is safe because WebEncryptedMediaClientImpl
3587         // is destructed before |this|, and does not give away ownership of the
3588         // callback.
3589         base::Bind(&RenderFrameImpl::AreSecureCodecsSupported,
3590                    base::Unretained(this)),
3591         GetCdmFactory(), GetMediaPermission()));
3592   }
3593   return web_encrypted_media_client_.get();
3594 }
3595
3596 blink::WebMIDIClient* RenderFrameImpl::webMIDIClient() {
3597   if (!midi_dispatcher_)
3598     midi_dispatcher_ = new MidiDispatcher(this);
3599   return midi_dispatcher_;
3600 }
3601
3602 bool RenderFrameImpl::willCheckAndDispatchMessageEvent(
3603     blink::WebLocalFrame* source_frame,
3604     blink::WebFrame* target_frame,
3605     blink::WebSecurityOrigin target_origin,
3606     blink::WebDOMMessageEvent event) {
3607   DCHECK(!frame_ || frame_ == target_frame);
3608
3609   // Currently, a postMessage that targets a cross-process frame can be plumbed
3610   // either through this function or RenderFrameProxy::postMessageEvent. This
3611   // function is used when the target cross-process frame is a top-level frame
3612   // which has been swapped out.  In that case, the corresponding WebLocalFrame
3613   // currently remains in the frame tree even in site-per-process mode (see
3614   // OnSwapOut). RenderFrameProxy::postMessageEvent is used in
3615   // --site-per-process mode for all other cases.
3616   //
3617   // TODO(alexmos, nasko): When swapped-out:// disappears, this should be
3618   // cleaned up so that RenderFrameProxy::postMessageEvent is the only path for
3619   // cross-process postMessages.
3620   if (!is_swapped_out_)
3621     return false;
3622
3623   // It is possible to get here on a swapped-out frame without a
3624   // |render_frame_proxy_|. This happens when:
3625   // - This process only has one active RenderView and is about to go away
3626   //   (e.g., due to cross-process navigation).
3627   // - The top frame has a subframe with an unload handler.
3628   // - The subframe sends a postMessage to the top-level frame in its unload
3629   //   handler.
3630   // See https://crbug.com/475651 for details.  We return false here, since we
3631   // don't want to deliver the message to the new process in this case.
3632   if (!render_frame_proxy_)
3633     return false;
3634
3635   render_frame_proxy_->postMessageEvent(
3636       source_frame, render_frame_proxy_->web_frame(), target_origin, event);
3637   return true;
3638 }
3639
3640 blink::WebString RenderFrameImpl::userAgentOverride(blink::WebLocalFrame* frame,
3641                                                     const blink::WebURL& url) {
3642   DCHECK(!frame_ || frame_ == frame);
3643   std::string user_agent_override_for_url =
3644       GetContentClient()->renderer()->GetUserAgentOverrideForURL(GURL(url));
3645   if (!user_agent_override_for_url.empty())
3646     return WebString::fromUTF8(user_agent_override_for_url);
3647
3648   if (!render_view_->webview() || !render_view_->webview()->mainFrame() ||
3649       render_view_->renderer_preferences_.user_agent_override.empty()) {
3650     return blink::WebString();
3651   }
3652
3653   // TODO(nasko): When the top-level frame is remote, there is no WebDataSource
3654   // associated with it, so the checks below are not valid. Temporarily
3655   // return early and fix properly as part of https://crbug.com/426555.
3656   if (render_view_->webview()->mainFrame()->isWebRemoteFrame())
3657     return blink::WebString();
3658
3659   // If we're in the middle of committing a load, the data source we need
3660   // will still be provisional.
3661   WebFrame* main_frame = render_view_->webview()->mainFrame();
3662   WebDataSource* data_source = NULL;
3663   if (main_frame->provisionalDataSource())
3664     data_source = main_frame->provisionalDataSource();
3665   else
3666     data_source = main_frame->dataSource();
3667
3668   InternalDocumentStateData* internal_data = data_source ?
3669       InternalDocumentStateData::FromDataSource(data_source) : NULL;
3670   if (internal_data && internal_data->is_overriding_user_agent())
3671     return WebString::fromUTF8(
3672         render_view_->renderer_preferences_.user_agent_override);
3673   return blink::WebString();
3674 }
3675
3676 blink::WebString RenderFrameImpl::doNotTrackValue(blink::WebLocalFrame* frame) {
3677   DCHECK(!frame_ || frame_ == frame);
3678   if (render_view_->renderer_preferences_.enable_do_not_track)
3679     return WebString::fromUTF8("1");
3680   return WebString();
3681 }
3682
3683 bool RenderFrameImpl::allowWebGL(blink::WebLocalFrame* frame,
3684                                  bool default_value) {
3685   DCHECK(!frame_ || frame_ == frame);
3686   if (!default_value)
3687     return false;
3688
3689   bool blocked = true;
3690   render_view_->Send(new ViewHostMsg_Are3DAPIsBlocked(
3691       render_view_->GetRoutingID(),
3692       GURL(frame->top()->securityOrigin().toString()),
3693       THREE_D_API_TYPE_WEBGL,
3694       &blocked));
3695   return !blocked;
3696 }
3697
3698 void RenderFrameImpl::didLoseWebGLContext(blink::WebLocalFrame* frame,
3699                                           int arb_robustness_status_code) {
3700   DCHECK(!frame_ || frame_ == frame);
3701   render_view_->Send(new ViewHostMsg_DidLose3DContext(
3702       GURL(frame->top()->securityOrigin().toString()),
3703       THREE_D_API_TYPE_WEBGL,
3704       arb_robustness_status_code));
3705 }
3706
3707 blink::WebScreenOrientationClient*
3708     RenderFrameImpl::webScreenOrientationClient() {
3709   if (!screen_orientation_dispatcher_)
3710     screen_orientation_dispatcher_ = new ScreenOrientationDispatcher(this);
3711   return screen_orientation_dispatcher_;
3712 }
3713
3714 bool RenderFrameImpl::isControlledByServiceWorker(WebDataSource& data_source) {
3715   ServiceWorkerNetworkProvider* provider =
3716       ServiceWorkerNetworkProvider::FromDocumentState(
3717           DocumentState::FromDataSource(&data_source));
3718   if (!provider->context())
3719     return false;
3720   return provider->context()->controller_handle_id() !=
3721       kInvalidServiceWorkerHandleId;
3722 }
3723
3724 int64_t RenderFrameImpl::serviceWorkerID(WebDataSource& data_source) {
3725   ServiceWorkerNetworkProvider* provider =
3726       ServiceWorkerNetworkProvider::FromDocumentState(
3727           DocumentState::FromDataSource(&data_source));
3728   if (provider->context() && provider->context()->controller())
3729     return provider->context()->controller()->version_id();
3730   return kInvalidServiceWorkerVersionId;
3731 }
3732
3733 void RenderFrameImpl::postAccessibilityEvent(const blink::WebAXObject& obj,
3734                                              blink::WebAXEvent event) {
3735   HandleWebAccessibilityEvent(obj, event);
3736 }
3737
3738 void RenderFrameImpl::handleAccessibilityFindInPageResult(
3739     int identifier,
3740     int match_index,
3741     const blink::WebAXObject& start_object,
3742     int start_offset,
3743     const blink::WebAXObject& end_object,
3744     int end_offset) {
3745   if (renderer_accessibility_) {
3746     renderer_accessibility_->HandleAccessibilityFindInPageResult(
3747         identifier, match_index, start_object, start_offset,
3748         end_object, end_offset);
3749   }
3750 }
3751
3752 void RenderFrameImpl::didChangeManifest(blink::WebLocalFrame* frame) {
3753   DCHECK(!frame_ || frame_ == frame);
3754
3755   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidChangeManifest());
3756 }
3757
3758 bool RenderFrameImpl::enterFullscreen() {
3759   Send(new FrameHostMsg_ToggleFullscreen(routing_id_, true));
3760   return true;
3761 }
3762
3763 bool RenderFrameImpl::exitFullscreen() {
3764   Send(new FrameHostMsg_ToggleFullscreen(routing_id_, false));
3765   return true;
3766 }
3767
3768 blink::WebPermissionClient* RenderFrameImpl::permissionClient() {
3769   if (!permission_client_)
3770     permission_client_.reset(new PermissionDispatcher(GetServiceRegistry()));
3771
3772   return permission_client_.get();
3773 }
3774
3775 blink::WebAppBannerClient* RenderFrameImpl::appBannerClient() {
3776   if (!app_banner_client_) {
3777     app_banner_client_ =
3778         GetContentClient()->renderer()->CreateAppBannerClient(this);
3779   }
3780
3781   return app_banner_client_.get();
3782 }
3783
3784 void RenderFrameImpl::registerProtocolHandler(const WebString& scheme,
3785                                               const WebURL& url,
3786                                               const WebString& title) {
3787   bool user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
3788   Send(new FrameHostMsg_RegisterProtocolHandler(
3789       routing_id_,
3790       base::UTF16ToUTF8(base::StringPiece16(scheme)),
3791       url,
3792       title,
3793       user_gesture));
3794 }
3795
3796 void RenderFrameImpl::unregisterProtocolHandler(const WebString& scheme,
3797                                                 const WebURL& url) {
3798   bool user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
3799   Send(new FrameHostMsg_UnregisterProtocolHandler(
3800       routing_id_,
3801       base::UTF16ToUTF8(base::StringPiece16(scheme)),
3802       url,
3803       user_gesture));
3804 }
3805
3806 blink::WebBluetooth* RenderFrameImpl::bluetooth() {
3807   if (!bluetooth_) {
3808     bluetooth_.reset(new WebBluetoothImpl(
3809         ChildThreadImpl::current()->thread_safe_sender(), routing_id_));
3810   }
3811
3812   return bluetooth_.get();
3813 }
3814
3815 #if defined(ENABLE_WEBVR)
3816 blink::WebVRClient* RenderFrameImpl::webVRClient() {
3817   if (!vr_dispatcher_)
3818     vr_dispatcher_.reset(new VRDispatcher(GetServiceRegistry()));
3819
3820   return vr_dispatcher_.get();
3821 }
3822 #endif
3823
3824 void RenderFrameImpl::DidPlay(WebMediaPlayer* player) {
3825   has_played_media_ = true;
3826   Send(new FrameHostMsg_MediaPlayingNotification(
3827       routing_id_, reinterpret_cast<int64>(player), player->hasVideo(),
3828       player->hasAudio(), player->isRemote()));
3829 }
3830
3831 void RenderFrameImpl::DidPause(WebMediaPlayer* player) {
3832   Send(new FrameHostMsg_MediaPausedNotification(
3833       routing_id_, reinterpret_cast<int64>(player)));
3834 }
3835
3836 void RenderFrameImpl::PlayerGone(WebMediaPlayer* player) {
3837   DidPause(player);
3838 }
3839
3840 void RenderFrameImpl::AddObserver(RenderFrameObserver* observer) {
3841   observers_.AddObserver(observer);
3842 }
3843
3844 void RenderFrameImpl::RemoveObserver(RenderFrameObserver* observer) {
3845   observer->RenderFrameGone();
3846   observers_.RemoveObserver(observer);
3847 }
3848
3849 void RenderFrameImpl::OnStop() {
3850   DCHECK(frame_);
3851   frame_->stopLoading();
3852   if (!frame_->parent())
3853     FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers_, OnStop());
3854
3855   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, OnStop());
3856 }
3857
3858 void RenderFrameImpl::WasHidden() {
3859   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, WasHidden());
3860 }
3861
3862 void RenderFrameImpl::WasShown() {
3863   // TODO(kenrb): Need to figure out how to do this better. Should
3864   // VisibilityState remain a page-level concept or move to frames?
3865   // The semantics of 'Show' might have to change here.
3866   if (render_widget_) {
3867     static_cast<blink::WebFrameWidget*>(render_widget_->webwidget())->
3868         setVisibilityState(blink::WebPageVisibilityStateVisible, false);
3869   }
3870   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, WasShown());
3871 }
3872
3873 void RenderFrameImpl::WidgetWillClose() {
3874   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, WidgetWillClose());
3875 }
3876
3877 bool RenderFrameImpl::IsHidden() {
3878   return GetRenderWidget()->is_hidden();
3879 }
3880
3881 // Tell the embedding application that the URL of the active page has changed.
3882 void RenderFrameImpl::SendDidCommitProvisionalLoad(
3883     blink::WebFrame* frame,
3884     blink::WebHistoryCommitType commit_type,
3885     const blink::WebHistoryItem& item) {
3886   DCHECK(!frame_ || frame_ == frame);
3887   WebDataSource* ds = frame->dataSource();
3888   DCHECK(ds);
3889
3890   const WebURLRequest& request = ds->request();
3891   const WebURLResponse& response = ds->response();
3892
3893   DocumentState* document_state = DocumentState::FromDataSource(ds);
3894   NavigationStateImpl* navigation_state =
3895       static_cast<NavigationStateImpl*>(document_state->navigation_state());
3896   InternalDocumentStateData* internal_data =
3897       InternalDocumentStateData::FromDocumentState(document_state);
3898
3899   FrameHostMsg_DidCommitProvisionalLoad_Params params;
3900   params.http_status_code = response.httpStatusCode();
3901   params.url_is_unreachable = ds->hasUnreachableURL();
3902   params.is_post = false;
3903   params.intended_as_new_entry =
3904       navigation_state->request_params().intended_as_new_entry;
3905   params.did_create_new_entry = commit_type == blink::WebStandardCommit;
3906   params.post_id = -1;
3907   params.page_id = render_view_->page_id_;
3908   params.nav_entry_id = navigation_state->request_params().nav_entry_id;
3909   // We need to track the RenderViewHost routing_id because of downstream
3910   // dependencies (crbug.com/392171 DownloadRequestHandle, SaveFileManager,
3911   // ResourceDispatcherHostImpl, MediaStreamUIProxy,
3912   // SpeechRecognitionDispatcherHost and possibly others). They look up the view
3913   // based on the ID stored in the resource requests. Once those dependencies
3914   // are unwound or moved to RenderFrameHost (crbug.com/304341) we can move the
3915   // client to be based on the routing_id of the RenderFrameHost.
3916   params.render_view_routing_id = render_view_->routing_id();
3917   params.socket_address.set_host(response.remoteIPAddress().utf8());
3918   params.socket_address.set_port(response.remotePort());
3919   WebURLResponseExtraDataImpl* extra_data = GetExtraDataFromResponse(response);
3920   if (extra_data)
3921     params.was_fetched_via_proxy = extra_data->was_fetched_via_proxy();
3922   params.was_within_same_page = navigation_state->WasWithinSamePage();
3923   params.security_info = response.securityInfo();
3924
3925   // Set the URL to be displayed in the browser UI to the user.
3926   params.url = GetLoadingUrl();
3927   DCHECK(!is_swapped_out_ || params.url == GURL(kSwappedOutURL));
3928
3929   // Set the origin of the frame.  This will be replicated to the corresponding
3930   // RenderFrameProxies in other processes.
3931   // TODO(alexmos): Origins for URLs with non-standard schemes are excluded due
3932   // to https://crbug.com/439608 and will be replicated as unique origins.
3933   if (!is_swapped_out_) {
3934     std::string scheme = frame->document().securityOrigin().protocol().utf8();
3935     if (url::IsStandard(scheme.c_str(),
3936                         url::Component(0, static_cast<int>(scheme.length())))) {
3937       params.origin = frame->document().securityOrigin();
3938     }
3939   }
3940
3941   if (frame->document().baseURL() != params.url)
3942     params.base_url = frame->document().baseURL();
3943
3944   GetRedirectChain(ds, &params.redirects);
3945   params.should_update_history = !ds->hasUnreachableURL() &&
3946       !response.isMultipartPayload() && (response.httpStatusCode() != 404);
3947
3948   params.searchable_form_url = internal_data->searchable_form_url();
3949   params.searchable_form_encoding = internal_data->searchable_form_encoding();
3950
3951   params.gesture = render_view_->navigation_gesture_;
3952   render_view_->navigation_gesture_ = NavigationGestureUnknown;
3953
3954   // Make navigation state a part of the DidCommitProvisionalLoad message so
3955   // that committed entry has it at all times.
3956   HistoryEntry* entry = render_view_->history_controller()->GetCurrentEntry();
3957   if (!SiteIsolationPolicy::UseSubframeNavigationEntries()) {
3958     if (entry)
3959       params.page_state = HistoryEntryToPageState(entry);
3960     else
3961       params.page_state = PageState::CreateFromURL(request.url());
3962   } else {
3963     // In --site-per-process, just send a single HistoryItem for this frame,
3964     // rather than the whole tree.  It will be stored in the corresponding
3965     // FrameNavigationEntry.
3966     params.page_state = SingleHistoryItemToPageState(item);
3967   }
3968   params.item_sequence_number = item.itemSequenceNumber();
3969   params.document_sequence_number = item.documentSequenceNumber();
3970
3971   if (!frame->parent()) {
3972     // Top-level navigation.
3973
3974     // Reset the zoom limits in case a plugin had changed them previously. This
3975     // will also call us back which will cause us to send a message to
3976     // update WebContentsImpl.
3977     render_view_->webview()->zoomLimitsChanged(
3978         ZoomFactorToZoomLevel(kMinimumZoomFactor),
3979         ZoomFactorToZoomLevel(kMaximumZoomFactor));
3980
3981     // Set zoom level, but don't do it for full-page plugin since they don't use
3982     // the same zoom settings.
3983     HostZoomLevels::iterator host_zoom =
3984         render_view_->host_zoom_levels_.find(GURL(request.url()));
3985     if (render_view_->webview()->mainFrame()->document().isPluginDocument()) {
3986       // Reset the zoom levels for plugins.
3987       render_view_->webview()->setZoomLevel(0);
3988     } else {
3989       // If the zoom level is not found, then do nothing. In-page navigation
3990       // relies on not changing the zoom level in this case.
3991       if (host_zoom != render_view_->host_zoom_levels_.end())
3992         render_view_->webview()->setZoomLevel(host_zoom->second);
3993     }
3994
3995     if (host_zoom != render_view_->host_zoom_levels_.end()) {
3996       // This zoom level was merely recorded transiently for this load.  We can
3997       // erase it now.  If at some point we reload this page, the browser will
3998       // send us a new, up-to-date zoom level.
3999       render_view_->host_zoom_levels_.erase(host_zoom);
4000     }
4001
4002     // Update contents MIME type for main frame.
4003     params.contents_mime_type = ds->response().mimeType().utf8();
4004
4005     params.transition = navigation_state->GetTransitionType();
4006     if (!ui::PageTransitionIsMainFrame(params.transition)) {
4007       // If the main frame does a load, it should not be reported as a subframe
4008       // navigation.  This can occur in the following case:
4009       // 1. You're on a site with frames.
4010       // 2. You do a subframe navigation.  This is stored with transition type
4011       //    MANUAL_SUBFRAME.
4012       // 3. You navigate to some non-frame site, say, google.com.
4013       // 4. You navigate back to the page from step 2.  Since it was initially
4014       //    MANUAL_SUBFRAME, it will be that same transition type here.
4015       // We don't want that, because any navigation that changes the toplevel
4016       // frame should be tracked as a toplevel navigation (this allows us to
4017       // update the URL bar, etc).
4018       params.transition = ui::PAGE_TRANSITION_LINK;
4019     }
4020
4021     // If the page contained a client redirect (meta refresh, document.loc...),
4022     // set the referrer and transition appropriately.
4023     if (ds->isClientRedirect()) {
4024       params.referrer =
4025           Referrer(params.redirects[0], ds->request().referrerPolicy());
4026       params.transition = ui::PageTransitionFromInt(
4027           params.transition | ui::PAGE_TRANSITION_CLIENT_REDIRECT);
4028     } else {
4029       params.referrer = RenderViewImpl::GetReferrerFromRequest(
4030           frame, ds->request());
4031     }
4032
4033     base::string16 method = request.httpMethod();
4034     if (base::EqualsASCII(method, "POST")) {
4035       params.is_post = true;
4036       params.post_id = ExtractPostId(entry);
4037     }
4038
4039     // Send the user agent override back.
4040     params.is_overriding_user_agent = internal_data->is_overriding_user_agent();
4041
4042     // Track the URL of the original request.  We use the first entry of the
4043     // redirect chain if it exists because the chain may have started in another
4044     // process.
4045     params.original_request_url = GetOriginalRequestURL(ds);
4046
4047     params.history_list_was_cleared =
4048         navigation_state->request_params().should_clear_history_list;
4049
4050     params.report_type = static_cast<FrameMsg_UILoadMetricsReportType::Value>(
4051         frame->dataSource()->request().inputPerfMetricReportPolicy());
4052     params.ui_timestamp = base::TimeTicks() + base::TimeDelta::FromSecondsD(
4053         frame->dataSource()->request().uiStartTime());
4054
4055     // Save some histogram data so we can compute the average memory used per
4056     // page load of the glyphs.
4057     UMA_HISTOGRAM_COUNTS_10000("Memory.GlyphPagesPerLoad",
4058                                blink::WebGlyphCache::pageCount());
4059
4060     // This message needs to be sent before any of allowScripts(),
4061     // allowImages(), allowPlugins() is called for the new page, so that when
4062     // these functions send a ViewHostMsg_ContentBlocked message, it arrives
4063     // after the FrameHostMsg_DidCommitProvisionalLoad message.
4064     Send(new FrameHostMsg_DidCommitProvisionalLoad(routing_id_, params));
4065   } else {
4066     // Subframe navigation: the type depends on whether this navigation
4067     // generated a new session history entry. When they do generate a session
4068     // history entry, it means the user initiated the navigation and we should
4069     // mark it as such.
4070     if (commit_type == blink::WebStandardCommit)
4071       params.transition = ui::PAGE_TRANSITION_MANUAL_SUBFRAME;
4072     else
4073       params.transition = ui::PAGE_TRANSITION_AUTO_SUBFRAME;
4074
4075     DCHECK(!navigation_state->request_params().should_clear_history_list);
4076     params.history_list_was_cleared = false;
4077     params.report_type = FrameMsg_UILoadMetricsReportType::NO_REPORT;
4078
4079     // Don't send this message while the subframe is swapped out.
4080     if (!is_swapped_out())
4081       Send(new FrameHostMsg_DidCommitProvisionalLoad(routing_id_, params));
4082   }
4083
4084   // If we end up reusing this WebRequest (for example, due to a #ref click),
4085   // we don't want the transition type to persist.  Just clear it.
4086   navigation_state->set_transition_type(ui::PAGE_TRANSITION_LINK);
4087 }
4088
4089 void RenderFrameImpl::didStartLoading(bool to_different_document) {
4090   TRACE_EVENT1("navigation", "RenderFrameImpl::didStartLoading",
4091                "id", routing_id_);
4092   render_view_->FrameDidStartLoading(frame_);
4093   Send(new FrameHostMsg_DidStartLoading(routing_id_, to_different_document));
4094 }
4095
4096 void RenderFrameImpl::didStopLoading() {
4097   TRACE_EVENT1("navigation", "RenderFrameImpl::didStopLoading",
4098                "id", routing_id_);
4099   render_view_->FrameDidStopLoading(frame_);
4100   Send(new FrameHostMsg_DidStopLoading(routing_id_));
4101 }
4102
4103 void RenderFrameImpl::didChangeLoadProgress(double load_progress) {
4104   Send(new FrameHostMsg_DidChangeLoadProgress(routing_id_, load_progress));
4105 }
4106
4107 void RenderFrameImpl::HandleWebAccessibilityEvent(
4108     const blink::WebAXObject& obj, blink::WebAXEvent event) {
4109   if (renderer_accessibility_)
4110     renderer_accessibility_->HandleWebAccessibilityEvent(obj, event);
4111 }
4112
4113 void RenderFrameImpl::FocusedNodeChanged(const WebNode& node) {
4114   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, FocusedNodeChanged(node));
4115 }
4116
4117 void RenderFrameImpl::FocusedNodeChangedForAccessibility(const WebNode& node) {
4118   if (renderer_accessibility())
4119     renderer_accessibility()->AccessibilityFocusedNodeChanged(node);
4120 }
4121
4122 // PlzNavigate
4123 void RenderFrameImpl::OnCommitNavigation(
4124     const ResourceResponseHead& response,
4125     const GURL& stream_url,
4126     const CommonNavigationParams& common_params,
4127     const RequestNavigationParams& request_params) {
4128   CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch(
4129       switches::kEnableBrowserSideNavigation));
4130   // This will override the url requested by the WebURLLoader, as well as
4131   // provide it with the response to the request.
4132   scoped_ptr<StreamOverrideParameters> stream_override(
4133       new StreamOverrideParameters());
4134   stream_override->stream_url = stream_url;
4135   stream_override->response = response;
4136
4137   NavigateInternal(common_params, StartNavigationParams(), request_params,
4138                    stream_override.Pass());
4139 }
4140
4141 void RenderFrameImpl::OnFailedNavigation(
4142     const CommonNavigationParams& common_params,
4143     const RequestNavigationParams& request_params,
4144     bool has_stale_copy_in_cache,
4145     int error_code) {
4146   bool is_reload = IsReload(common_params.navigation_type);
4147   bool is_history_navigation = request_params.page_state.IsValid();
4148   WebURLRequest::CachePolicy cache_policy =
4149       WebURLRequest::UseProtocolCachePolicy;
4150   RenderFrameImpl::PrepareRenderViewForNavigation(
4151       common_params.url, request_params, &is_reload, &cache_policy);
4152
4153   GetContentClient()->SetActiveURL(common_params.url);
4154
4155   pending_navigation_params_.reset(new NavigationParams(
4156       common_params, StartNavigationParams(), request_params));
4157
4158   // Inform the browser of the start of the provisional load. This is needed so
4159   // that the load is properly tracked by the WebNavigation API.
4160   Send(new FrameHostMsg_DidStartProvisionalLoadForFrame(
4161       routing_id_, common_params.url));
4162
4163   // Send the provisional load failure.
4164   blink::WebURLError error =
4165       CreateWebURLError(common_params.url, has_stale_copy_in_cache, error_code);
4166   WebURLRequest failed_request = CreateURLRequestForNavigation(
4167       common_params, scoped_ptr<StreamOverrideParameters>(),
4168       frame_->isViewSourceModeEnabled());
4169   SendFailedProvisionalLoad(failed_request, error, frame_);
4170
4171   if (!ShouldDisplayErrorPageForFailedLoad(error_code, common_params.url)) {
4172     // TODO(avi): Remove this; we shouldn't ever be dropping navigations.
4173     // http://crbug.com/501960
4174     Send(new FrameHostMsg_DidDropNavigation(routing_id_));
4175     return;
4176   }
4177
4178   // Make sure errors are not shown in view source mode.
4179   frame_->enableViewSourceMode(false);
4180
4181   // Replace the current history entry in reloads, history navigations and loads
4182   // of the same url. This corresponds to Blink's notion of a standard
4183   // commit.
4184   // TODO(clamy): see if initial commits in subframes should be handled
4185   // separately.
4186   bool replace = is_reload || is_history_navigation ||
4187                  common_params.url == GetLoadingUrl();
4188   LoadNavigationErrorPage(failed_request, error, replace);
4189 }
4190
4191 WebNavigationPolicy RenderFrameImpl::DecidePolicyForNavigation(
4192     RenderFrame* render_frame,
4193     const NavigationPolicyInfo& info) {
4194   Referrer referrer(RenderViewImpl::GetReferrerFromRequest(info.frame,
4195                                                            info.urlRequest));
4196
4197   // TODO(nick): Is consulting |is_subframe_| here correct?
4198   if (SiteIsolationPolicy::IsSwappedOutStateForbidden() && is_subframe_) {
4199     // There's no reason to ignore navigations on subframes, since the swap out
4200     // logic no longer applies.
4201   } else {
4202     if (is_swapped_out_) {
4203       if (info.urlRequest.url() != GURL(kSwappedOutURL)) {
4204         // Targeted links may try to navigate a swapped out frame.  Allow the
4205         // browser process to navigate the tab instead.  Note that it is also
4206         // possible for non-targeted navigations (from this view) to arrive
4207         // here just after we are swapped out.  It's ok to send them to the
4208         // browser, as long as they're for the top level frame.
4209         // TODO(creis): Ensure this supports targeted form submissions when
4210         // fixing http://crbug.com/101395.
4211         if (info.frame->parent() == NULL) {
4212           OpenURL(info.frame, info.urlRequest.url(), referrer,
4213                   info.defaultPolicy);
4214           return blink::WebNavigationPolicyIgnore;  // Suppress the load here.
4215         }
4216
4217         // We should otherwise ignore in-process iframe navigations, if they
4218         // arrive just after we are swapped out.
4219         return blink::WebNavigationPolicyIgnore;
4220       }
4221
4222       // Allow kSwappedOutURL to complete.
4223       return info.defaultPolicy;
4224     }
4225   }
4226
4227   // Webkit is asking whether to navigate to a new URL.
4228   // This is fine normally, except if we're showing UI from one security
4229   // context and they're trying to navigate to a different context.
4230   const GURL& url = info.urlRequest.url();
4231
4232   // A content initiated navigation may have originated from a link-click,
4233   // script, drag-n-drop operation, etc.
4234   DocumentState* document_state = static_cast<DocumentState*>(info.extraData);
4235   bool is_content_initiated =
4236       document_state->navigation_state()->IsContentInitiated();
4237
4238   // If the browser is interested, then give it a chance to look at the request.
4239   if (is_content_initiated) {
4240     bool is_form_post =
4241         ((info.navigationType == blink::WebNavigationTypeFormSubmitted) ||
4242             (info.navigationType == blink::WebNavigationTypeFormResubmitted)) &&
4243         base::EqualsASCII(base::StringPiece16(info.urlRequest.httpMethod()),
4244                           "POST");
4245     bool browser_handles_request =
4246         render_view_->renderer_preferences_
4247             .browser_handles_non_local_top_level_requests
4248         && IsNonLocalTopLevelNavigation(url, info.frame, info.navigationType,
4249                                         is_form_post);
4250     if (!browser_handles_request) {
4251       browser_handles_request = IsTopLevelNavigation(info.frame) &&
4252           render_view_->renderer_preferences_
4253               .browser_handles_all_top_level_requests;
4254     }
4255
4256     if (browser_handles_request) {
4257       OpenURL(info.frame, url, referrer, info.defaultPolicy);
4258       return blink::WebNavigationPolicyIgnore;  // Suppress the load here.
4259     }
4260   }
4261
4262   // Use the frame's original request's URL rather than the document's URL for
4263   // subsequent checks.  For a popup, the document's URL may become the opener
4264   // window's URL if the opener has called document.write().
4265   // See http://crbug.com/93517.
4266   GURL old_url(info.frame->dataSource()->request().url());
4267
4268   // Detect when we're crossing a permission-based boundary (e.g. into or out of
4269   // an extension or app origin, leaving a WebUI page, etc). We only care about
4270   // top-level navigations (not iframes). But we sometimes navigate to
4271   // about:blank to clear a tab, and we want to still allow that.
4272   //
4273   // Note: this is known to break POST submissions when crossing process
4274   // boundaries until http://crbug.com/101395 is fixed.  This is better for
4275   // security than loading a WebUI, extension or app page in the wrong process.
4276   // POST requests don't work because this mechanism does not preserve form
4277   // POST data. We will need to send the request's httpBody data up to the
4278   // browser process, and issue a special POST navigation in WebKit (via
4279   // FrameLoader::loadFrameRequest). See ResourceDispatcher and WebURLLoaderImpl
4280   // for examples of how to send the httpBody data.
4281   if (!info.frame->parent() && is_content_initiated &&
4282       !url.SchemeIs(url::kAboutScheme)) {
4283     bool send_referrer = false;
4284
4285     // All navigations to or from WebUI URLs or within WebUI-enabled
4286     // RenderProcesses must be handled by the browser process so that the
4287     // correct bindings and data sources can be registered.
4288     // Similarly, navigations to view-source URLs or within ViewSource mode
4289     // must be handled by the browser process (except for reloads - those are
4290     // safe to leave within the renderer).
4291     // Lastly, access to file:// URLs from non-file:// URL pages must be
4292     // handled by the browser so that ordinary renderer processes don't get
4293     // blessed with file permissions.
4294     int cumulative_bindings = RenderProcess::current()->GetEnabledBindings();
4295     bool is_initial_navigation = render_view_->history_list_length_ == 0;
4296     bool should_fork = HasWebUIScheme(url) || HasWebUIScheme(old_url) ||
4297         (cumulative_bindings & BINDINGS_POLICY_WEB_UI) ||
4298         url.SchemeIs(kViewSourceScheme) ||
4299         (info.frame->isViewSourceModeEnabled() &&
4300             info.navigationType != blink::WebNavigationTypeReload);
4301
4302     if (!should_fork && url.SchemeIs(url::kFileScheme)) {
4303       // Fork non-file to file opens.  Check the opener URL if this is the
4304       // initial navigation in a newly opened window.
4305       GURL source_url(old_url);
4306       if (is_initial_navigation && source_url.is_empty() &&
4307           info.frame->opener())
4308         source_url = info.frame->opener()->top()->document().url();
4309       DCHECK(!source_url.is_empty());
4310       should_fork = !source_url.SchemeIs(url::kFileScheme);
4311     }
4312
4313     if (!should_fork) {
4314       // Give the embedder a chance.
4315       should_fork = GetContentClient()->renderer()->ShouldFork(
4316           info.frame, url, info.urlRequest.httpMethod().utf8(),
4317           is_initial_navigation, info.isRedirect, &send_referrer);
4318     }
4319
4320     if (should_fork) {
4321       OpenURL(info.frame, url, send_referrer ? referrer : Referrer(),
4322               info.defaultPolicy);
4323       return blink::WebNavigationPolicyIgnore;  // Suppress the load here.
4324     }
4325   }
4326
4327   // Detect when a page is "forking" a new tab that can be safely rendered in
4328   // its own process.  This is done by sites like Gmail that try to open links
4329   // in new windows without script connections back to the original page.  We
4330   // treat such cases as browser navigations (in which we will create a new
4331   // renderer for a cross-site navigation), rather than WebKit navigations.
4332   //
4333   // We use the following heuristic to decide whether to fork a new page in its
4334   // own process:
4335   // The parent page must open a new tab to about:blank, set the new tab's
4336   // window.opener to null, and then redirect the tab to a cross-site URL using
4337   // JavaScript.
4338   //
4339   // TODO(creis): Deprecate this logic once we can rely on rel=noreferrer
4340   // (see below).
4341   bool is_fork =
4342       // Must start from a tab showing about:blank, which is later redirected.
4343       old_url == GURL(url::kAboutBlankURL) &&
4344       // Must be the first real navigation of the tab.
4345       render_view_->historyBackListCount() < 1 &&
4346       render_view_->historyForwardListCount() < 1 &&
4347       // The parent page must have set the child's window.opener to null before
4348       // redirecting to the desired URL.
4349       info.frame->opener() == NULL &&
4350       // Must be a top-level frame.
4351       info.frame->parent() == NULL &&
4352       // Must not have issued the request from this page.
4353       is_content_initiated &&
4354       // Must be targeted at the current tab.
4355       info.defaultPolicy == blink::WebNavigationPolicyCurrentTab &&
4356       // Must be a JavaScript navigation, which appears as "other".
4357       info.navigationType == blink::WebNavigationTypeOther;
4358
4359   if (is_fork) {
4360     // Open the URL via the browser, not via WebKit.
4361     OpenURL(info.frame, url, Referrer(), info.defaultPolicy);
4362     return blink::WebNavigationPolicyIgnore;
4363   }
4364
4365   // PlzNavigate: if the navigation is not synchronous, send it to the browser.
4366   // This includes navigations with no request being sent to the network stack.
4367   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
4368           switches::kEnableBrowserSideNavigation) &&
4369       info.urlRequest.checkForBrowserSideNavigation() &&
4370       ShouldMakeNetworkRequestForURL(url)) {
4371     BeginNavigation(&info.urlRequest);
4372     return blink::WebNavigationPolicyIgnore;
4373   }
4374
4375   return info.defaultPolicy;
4376 }
4377
4378 void RenderFrameImpl::OpenURL(WebFrame* frame,
4379                               const GURL& url,
4380                               const Referrer& referrer,
4381                               WebNavigationPolicy policy) {
4382   DCHECK_EQ(frame_, frame);
4383
4384   FrameHostMsg_OpenURL_Params params;
4385   params.url = url;
4386   params.referrer = referrer;
4387   params.disposition = RenderViewImpl::NavigationPolicyToDisposition(policy);
4388   WebDataSource* ds = frame->provisionalDataSource();
4389   if (ds) {
4390     DocumentState* document_state = DocumentState::FromDataSource(ds);
4391     NavigationStateImpl* navigation_state =
4392         static_cast<NavigationStateImpl*>(document_state->navigation_state());
4393     if (navigation_state->IsContentInitiated()) {
4394       params.should_replace_current_entry =
4395           ds->replacesCurrentHistoryItem() &&
4396           render_view_->history_list_length_;
4397     } else {
4398       // This is necessary to preserve the should_replace_current_entry value on
4399       // cross-process redirects, in the event it was set by a previous process.
4400       //
4401       // TODO(davidben): Avoid this awkward duplication of state. See comment on
4402       // NavigationState::should_replace_current_entry().
4403       params.should_replace_current_entry =
4404           navigation_state->common_params().should_replace_current_entry;
4405     }
4406   } else {
4407     params.should_replace_current_entry = false;
4408   }
4409   params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
4410   if (GetContentClient()->renderer()->AllowPopup())
4411     params.user_gesture = true;
4412
4413   if (policy == blink::WebNavigationPolicyNewBackgroundTab ||
4414       policy == blink::WebNavigationPolicyNewForegroundTab ||
4415       policy == blink::WebNavigationPolicyNewWindow ||
4416       policy == blink::WebNavigationPolicyNewPopup) {
4417     WebUserGestureIndicator::consumeUserGesture();
4418   }
4419
4420   Send(new FrameHostMsg_OpenURL(routing_id_, params));
4421 }
4422
4423 void RenderFrameImpl::NavigateInternal(
4424     const CommonNavigationParams& common_params,
4425     const StartNavigationParams& start_params,
4426     const RequestNavigationParams& request_params,
4427     scoped_ptr<StreamOverrideParameters> stream_params) {
4428   bool browser_side_navigation =
4429       base::CommandLine::ForCurrentProcess()->HasSwitch(
4430           switches::kEnableBrowserSideNavigation);
4431   bool is_reload = IsReload(common_params.navigation_type);
4432   bool is_history_navigation = request_params.page_state.IsValid();
4433   WebURLRequest::CachePolicy cache_policy =
4434       WebURLRequest::UseProtocolCachePolicy;
4435   RenderFrameImpl::PrepareRenderViewForNavigation(
4436       common_params.url, request_params, &is_reload, &cache_policy);
4437
4438   GetContentClient()->SetActiveURL(common_params.url);
4439
4440   // If this frame isn't in the same process as the main frame, it may naively
4441   // assume that this is the first navigation in the iframe, but this may not
4442   // actually be the case. Inform the frame's state machine if this frame has
4443   // already committed other loads.
4444   if (request_params.has_committed_real_load && frame_->parent())
4445     frame_->setCommittedFirstRealLoad();
4446
4447   if (is_reload && !render_view_->history_controller()->GetCurrentEntry()) {
4448     // We cannot reload if we do not have any history state.  This happens, for
4449     // example, when recovering from a crash.
4450     is_reload = false;
4451     cache_policy = WebURLRequest::ReloadIgnoringCacheData;
4452   }
4453
4454   pending_navigation_params_.reset(
4455       new NavigationParams(common_params, start_params, request_params));
4456
4457   // Create parameters for a standard navigation.
4458   blink::WebFrameLoadType load_type = blink::WebFrameLoadType::Standard;
4459   bool should_load_request = false;
4460   WebHistoryItem item_for_history_navigation;
4461   WebURLRequest request = CreateURLRequestForNavigation(
4462       common_params, stream_params.Pass(), frame_->isViewSourceModeEnabled());
4463 #if defined(OS_ANDROID)
4464   request.setHasUserGesture(start_params.has_user_gesture);
4465 #endif
4466
4467   // PlzNavigate: Make sure that Blink's loader will not try to use browser side
4468   // navigation for this request (since it already went to the browser).
4469   if (browser_side_navigation)
4470     request.setCheckForBrowserSideNavigation(false);
4471
4472   // If we are reloading, then use the history state of the current frame.
4473   // Otherwise, if we have history state, then we need to navigate to it, which
4474   // corresponds to a back/forward navigation event. Update the parameters
4475   // depending on the navigation type.
4476   if (is_reload) {
4477     bool ignore_cache = (common_params.navigation_type ==
4478                          FrameMsg_Navigate_Type::RELOAD_IGNORING_CACHE);
4479     load_type = ignore_cache ? blink::WebFrameLoadType::ReloadFromOrigin
4480                              : blink::WebFrameLoadType::Reload;
4481
4482     if (!browser_side_navigation) {
4483       const GURL override_url =
4484           (common_params.navigation_type ==
4485            FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL)
4486               ? common_params.url
4487               : GURL();
4488       request = frame_->requestForReload(load_type, override_url);
4489     }
4490     should_load_request = true;
4491   } else if (is_history_navigation) {
4492     // We must know the page ID of the page we are navigating back to.
4493     DCHECK_NE(request_params.page_id, -1);
4494     // We must know the nav entry ID of the page we are navigating back to,
4495     // which should be the case because history navigations are routed via the
4496     // browser.
4497     DCHECK_NE(0, request_params.nav_entry_id);
4498     scoped_ptr<HistoryEntry> entry =
4499         PageStateToHistoryEntry(request_params.page_state);
4500     if (entry) {
4501       // Ensure we didn't save the swapped out URL in UpdateState, since the
4502       // browser should never be telling us to navigate to swappedout://.
4503       CHECK(entry->root().urlString() != WebString::fromUTF8(kSwappedOutURL));
4504
4505       if (!browser_side_navigation) {
4506         scoped_ptr<NavigationParams> navigation_params(
4507             new NavigationParams(*pending_navigation_params_.get()));
4508         if (!SiteIsolationPolicy::UseSubframeNavigationEntries()) {
4509           // By default, tell the HistoryController to go the deserialized
4510           // HistoryEntry.  This only works if all frames are in the same
4511           // process.
4512           DCHECK(!frame_->parent());
4513           render_view_->history_controller()->GoToEntry(
4514               frame_, entry.Pass(), navigation_params.Pass(), cache_policy);
4515         } else {
4516           // In --site-per-process, the browser process sends a single
4517           // WebHistoryItem destined for this frame.
4518           // TODO(creis): Change PageState to FrameState.  In the meantime, we
4519           // store the relevant frame's WebHistoryItem in the root of the
4520           // PageState.
4521           SetPendingNavigationParams(navigation_params.Pass());
4522           blink::WebHistoryItem history_item = entry->root();
4523           blink::WebHistoryLoadType load_type =
4524               request_params.is_same_document_history_load
4525                   ? blink::WebHistorySameDocumentLoad
4526                   : blink::WebHistoryDifferentDocumentLoad;
4527
4528           // Let the history controller know the provisional entry, since it is
4529           // used at commit time.  Otherwise skip GoToEntry and navigate the
4530           // frame directly.
4531           // TODO(creis): Consider cloning the current entry to handle subframe
4532           // cases.  Changes to SendUpdateState might affect this.
4533           render_view_->history_controller()->set_provisional_entry(
4534               entry.Pass());
4535           WebURLRequest request =
4536               frame_->requestFromHistoryItem(history_item, cache_policy);
4537           frame_->load(request, blink::WebFrameLoadType::BackForward,
4538                        history_item, load_type);
4539         }
4540       } else {
4541         // TODO(clamy): this should be set to the HistoryItem sent by the
4542         // browser once the HistoryController has moved to the browser.
4543         // TODO(clamy): distinguish between different document and same document
4544         // loads.
4545         // TODO(clamy): update this for subframes history loads.
4546         item_for_history_navigation =
4547             entry->GetHistoryNodeForFrame(this)->item();
4548         load_type = blink::WebFrameLoadType::BackForward;
4549         should_load_request = true;
4550       }
4551     }
4552   } else {
4553     // Navigate to the given URL.
4554     if (!start_params.extra_headers.empty() && !browser_side_navigation) {
4555       for (net::HttpUtil::HeadersIterator i(start_params.extra_headers.begin(),
4556                                             start_params.extra_headers.end(),
4557                                             "\n");
4558            i.GetNext();) {
4559         request.addHTTPHeaderField(WebString::fromUTF8(i.name()),
4560                                    WebString::fromUTF8(i.values()));
4561       }
4562     }
4563
4564     if (start_params.is_post && !browser_side_navigation) {
4565       request.setHTTPMethod(WebString::fromUTF8("POST"));
4566
4567       // Set post data.
4568       WebHTTPBody http_body;
4569       http_body.initialize();
4570       const char* data = nullptr;
4571       if (start_params.browser_initiated_post_data.size()) {
4572         data = reinterpret_cast<const char*>(
4573             &start_params.browser_initiated_post_data.front());
4574       }
4575       http_body.appendData(
4576           WebData(data, start_params.browser_initiated_post_data.size()));
4577       request.setHTTPBody(http_body);
4578     }
4579
4580     // A session history navigation should have been accompanied by state.
4581     CHECK_EQ(request_params.page_id, -1);
4582
4583     should_load_request = true;
4584   }
4585
4586   if (should_load_request) {
4587     // Record this before starting the load. We need a lower bound of this
4588     // time to sanitize the navigationStart override set below.
4589     base::TimeTicks renderer_navigation_start = base::TimeTicks::Now();
4590
4591     // Perform a navigation to a data url if needed.
4592     if (!common_params.base_url_for_data_url.is_empty() ||
4593         (browser_side_navigation &&
4594          common_params.url.SchemeIs(url::kDataScheme))) {
4595       LoadDataURL(common_params, frame_);
4596     } else {
4597       // Load the request.
4598       frame_->toWebLocalFrame()->load(request, load_type,
4599                                       item_for_history_navigation);
4600     }
4601
4602     if (load_type == blink::WebFrameLoadType::Standard) {
4603       UpdateFrameNavigationTiming(frame_,
4604                                   request_params.browser_navigation_start,
4605                                   renderer_navigation_start);
4606     }
4607   }
4608
4609   // In case LoadRequest failed before didCreateDataSource was called.
4610   pending_navigation_params_.reset();
4611 }
4612
4613 void RenderFrameImpl::UpdateEncoding(WebFrame* frame,
4614                                      const std::string& encoding_name) {
4615   // Only update main frame's encoding_name.
4616   if (!frame->parent())
4617     Send(new FrameHostMsg_UpdateEncoding(routing_id_, encoding_name));
4618 }
4619
4620 void RenderFrameImpl::SyncSelectionIfRequired() {
4621   base::string16 text;
4622   size_t offset;
4623   gfx::Range range;
4624 #if defined(ENABLE_PLUGINS)
4625   if (render_view_->focused_pepper_plugin_) {
4626     render_view_->focused_pepper_plugin_->GetSurroundingText(&text, &range);
4627     offset = 0;  // Pepper API does not support offset reporting.
4628     // TODO(kinaba): cut as needed.
4629   } else
4630 #endif
4631   {
4632     size_t location, length;
4633     if (!GetRenderWidget()->webwidget()->caretOrSelectionRange(
4634             &location, &length)) {
4635       return;
4636     }
4637
4638     range = gfx::Range(location, location + length);
4639
4640     if (GetRenderWidget()->webwidget()->textInputInfo().type !=
4641             blink::WebTextInputTypeNone) {
4642       // If current focused element is editable, we will send 100 more chars
4643       // before and after selection. It is for input method surrounding text
4644       // feature.
4645       if (location > kExtraCharsBeforeAndAfterSelection)
4646         offset = location - kExtraCharsBeforeAndAfterSelection;
4647       else
4648         offset = 0;
4649       length = location + length - offset + kExtraCharsBeforeAndAfterSelection;
4650       WebRange webrange = WebRange::fromDocumentRange(frame_, offset, length);
4651       if (!webrange.isNull())
4652         text = webrange.toPlainText();
4653     } else {
4654       offset = location;
4655       text = frame_->selectionAsText();
4656       // http://crbug.com/101435
4657       // In some case, frame->selectionAsText() returned text's length is not
4658       // equal to the length returned from webwidget()->caretOrSelectionRange().
4659       // So we have to set the range according to text.length().
4660       range.set_end(range.start() + text.length());
4661     }
4662   }
4663
4664   // Sometimes we get repeated didChangeSelection calls from webkit when
4665   // the selection hasn't actually changed. We don't want to report these
4666   // because it will cause us to continually claim the X clipboard.
4667   if (selection_text_offset_ != offset ||
4668       selection_range_ != range ||
4669       selection_text_ != text) {
4670     selection_text_ = text;
4671     selection_text_offset_ = offset;
4672     selection_range_ = range;
4673     SetSelectedText(text, offset, range);
4674   }
4675   GetRenderWidget()->UpdateSelectionBounds();
4676 }
4677
4678 void RenderFrameImpl::InitializeUserMediaClient() {
4679   if (!RenderThreadImpl::current())  // Will be NULL during unit tests.
4680     return;
4681
4682 #if defined(OS_ANDROID)
4683   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
4684           switches::kDisableWebRTC))
4685     return;
4686 #endif
4687
4688 #if defined(ENABLE_WEBRTC)
4689   DCHECK(!web_user_media_client_);
4690   web_user_media_client_ = new UserMediaClientImpl(
4691       this,
4692       RenderThreadImpl::current()->GetPeerConnectionDependencyFactory(),
4693       make_scoped_ptr(new MediaStreamDispatcher(this)).Pass());
4694 #endif
4695 }
4696
4697 WebMediaPlayer* RenderFrameImpl::CreateWebMediaPlayerForMediaStream(
4698     WebMediaPlayerClient* client) {
4699 #if defined(ENABLE_WEBRTC)
4700 #if defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL)
4701   bool found_neon =
4702       (android_getCpuFeatures() & ANDROID_CPU_ARM_FEATURE_NEON) != 0;
4703   UMA_HISTOGRAM_BOOLEAN("Platform.WebRtcNEONFound", found_neon);
4704 #endif  // defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL)
4705   return new WebMediaPlayerMS(frame_, client, weak_factory_.GetWeakPtr(),
4706                               new RenderMediaLog(),
4707                               CreateRendererFactory());
4708 #else
4709   return NULL;
4710 #endif  // defined(ENABLE_WEBRTC)
4711 }
4712
4713 scoped_ptr<MediaStreamRendererFactory>
4714 RenderFrameImpl::CreateRendererFactory() {
4715   scoped_ptr<MediaStreamRendererFactory> factory =
4716       GetContentClient()->renderer()->CreateMediaStreamRendererFactory();
4717   if (factory.get())
4718     return factory.Pass();
4719 #if defined(ENABLE_WEBRTC)
4720   return scoped_ptr<MediaStreamRendererFactory>(
4721       new MediaStreamRendererFactoryImpl());
4722 #else
4723   return scoped_ptr<MediaStreamRendererFactory>(
4724       static_cast<MediaStreamRendererFactory*>(NULL));
4725 #endif
4726 }
4727
4728 void RenderFrameImpl::PrepareRenderViewForNavigation(
4729     const GURL& url,
4730     const RequestNavigationParams& request_params,
4731     bool* is_reload,
4732     WebURLRequest::CachePolicy* cache_policy) {
4733   DCHECK(render_view_->webview());
4734
4735   MaybeHandleDebugURL(url);
4736
4737   FOR_EACH_OBSERVER(
4738       RenderViewObserver, render_view_->observers_, Navigate(url));
4739
4740   render_view_->history_list_offset_ =
4741       request_params.current_history_list_offset;
4742   render_view_->history_list_length_ =
4743       request_params.current_history_list_length;
4744   if (request_params.should_clear_history_list) {
4745     CHECK_EQ(-1, render_view_->history_list_offset_);
4746     CHECK_EQ(0, render_view_->history_list_length_);
4747   }
4748
4749   if (!is_swapped_out_ || frame_->parent())
4750     return;
4751
4752   // This is a swapped out main frame, so swap the renderer back in.
4753   // We marked the view as hidden when swapping the view out, so be sure to
4754   // reset the visibility state before navigating to the new URL.
4755   render_view_->webview()->setVisibilityState(
4756       render_view_->visibilityState(), false);
4757
4758   // If this is an attempt to reload while we are swapped out, we should not
4759   // reload swappedout://, but the previous page, which is stored in
4760   // params.state.  Setting is_reload to false will treat this like a back
4761   // navigation to accomplish that.
4762   *is_reload = false;
4763   *cache_policy = WebURLRequest::ReloadIgnoringCacheData;
4764
4765   // We refresh timezone when a view is swapped in since timezone
4766   // can get out of sync when the system timezone is updated while
4767   // the view is swapped out.
4768   RenderThreadImpl::NotifyTimezoneChange();
4769
4770   render_view_->SetSwappedOut(false);
4771   is_swapped_out_ = false;
4772   return;
4773 }
4774
4775 void RenderFrameImpl::BeginNavigation(blink::WebURLRequest* request) {
4776   CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch(
4777       switches::kEnableBrowserSideNavigation));
4778   DCHECK(request);
4779   // TODO(clamy): Execute the beforeunload event.
4780
4781   // Note: At this stage, the goal is to apply all the modifications the
4782   // renderer wants to make to the request, and then send it to the browser, so
4783   // that the actual network request can be started. Ideally, all such
4784   // modifications should take place in willSendRequest, and in the
4785   // implementation of willSendRequest for the various InspectorAgents
4786   // (devtools).
4787   //
4788   // TODO(clamy): Apply devtools override.
4789   // TODO(clamy): Make sure that navigation requests are not modified somewhere
4790   // else in blink.
4791   willSendRequest(frame_, 0, *request, blink::WebURLResponse());
4792
4793   // TODO(clamy): Same-document navigations should not be sent back to the
4794   // browser.
4795   // TODO(clamy): Data urls should not be sent back to the browser either.
4796   bool should_replace_current_entry = false;
4797   WebDataSource* provisional_data_source = frame_->provisionalDataSource();
4798   WebDataSource* current_data_source = frame_->dataSource();
4799   WebDataSource* data_source =
4800       provisional_data_source ? provisional_data_source : current_data_source;
4801
4802   // The current entry can only be replaced if there already is an entry in the
4803   // history list.
4804   if (data_source && render_view_->history_list_length_ > 0) {
4805     should_replace_current_entry = data_source->replacesCurrentHistoryItem();
4806   }
4807   Send(new FrameHostMsg_BeginNavigation(
4808       routing_id_,
4809       MakeCommonNavigationParams(request, should_replace_current_entry),
4810       BeginNavigationParams(
4811           request->httpMethod().latin1(), GetWebURLRequestHeaders(*request),
4812           GetLoadFlagsForWebURLRequest(*request), request->hasUserGesture()),
4813       GetRequestBodyForWebURLRequest(*request)));
4814 }
4815
4816 void RenderFrameImpl::LoadDataURL(const CommonNavigationParams& params,
4817                                   WebFrame* frame) {
4818   // A loadData request with a specified base URL.
4819   std::string mime_type, charset, data;
4820   if (net::DataURL::Parse(params.url, &mime_type, &charset, &data)) {
4821     const GURL base_url = params.base_url_for_data_url.is_empty() ?
4822         params.url : params.base_url_for_data_url;
4823     frame->loadData(
4824         WebData(data.c_str(), data.length()),
4825         WebString::fromUTF8(mime_type),
4826         WebString::fromUTF8(charset),
4827         base_url,
4828         params.history_url_for_data_url,
4829         false);
4830   } else {
4831     CHECK(false) << "Invalid URL passed: "
4832                  << params.url.possibly_invalid_spec();
4833   }
4834 }
4835
4836 void RenderFrameImpl::SendFailedProvisionalLoad(
4837     const blink::WebURLRequest& request,
4838     const blink::WebURLError& error,
4839     blink::WebLocalFrame* frame) {
4840   bool show_repost_interstitial =
4841       (error.reason == net::ERR_CACHE_MISS &&
4842        base::EqualsASCII(base::StringPiece16(request.httpMethod()), "POST"));
4843
4844   FrameHostMsg_DidFailProvisionalLoadWithError_Params params;
4845   params.error_code = error.reason;
4846   GetContentClient()->renderer()->GetNavigationErrorStrings(
4847       render_view_.get(), frame, request, error, NULL,
4848       &params.error_description);
4849   params.url = error.unreachableURL;
4850   params.showing_repost_interstitial = show_repost_interstitial;
4851   params.was_ignored_by_handler = error.wasIgnoredByHandler;
4852   Send(new FrameHostMsg_DidFailProvisionalLoadWithError(routing_id_, params));
4853 }
4854
4855 bool RenderFrameImpl::ShouldDisplayErrorPageForFailedLoad(
4856     int error_code,
4857     const GURL& unreachable_url) {
4858   // Don't display an error page if this is simply a cancelled load.  Aside
4859   // from being dumb, Blink doesn't expect it and it will cause a crash.
4860   if (error_code == net::ERR_ABORTED)
4861     return false;
4862
4863   // Don't display "client blocked" error page if browser has asked us not to.
4864   if (error_code == net::ERR_BLOCKED_BY_CLIENT &&
4865       render_view_->renderer_preferences_.disable_client_blocked_error_page) {
4866     return false;
4867   }
4868
4869   // Allow the embedder to suppress an error page.
4870   if (GetContentClient()->renderer()->ShouldSuppressErrorPage(
4871           this, unreachable_url)) {
4872     return false;
4873   }
4874
4875   if (RenderThreadImpl::current() &&
4876       RenderThreadImpl::current()->layout_test_mode()) {
4877     return false;
4878   }
4879
4880   return true;
4881 }
4882
4883 GURL RenderFrameImpl::GetLoadingUrl() const {
4884   WebDataSource* ds = frame_->dataSource();
4885   if (ds->hasUnreachableURL())
4886     return ds->unreachableURL();
4887
4888   const WebURLRequest& request = ds->request();
4889   return request.url();
4890 }
4891
4892 void RenderFrameImpl::PopulateDocumentStateFromPending(
4893     DocumentState* document_state) {
4894   document_state->set_request_time(
4895       pending_navigation_params_->request_params.request_time);
4896
4897   InternalDocumentStateData* internal_data =
4898       InternalDocumentStateData::FromDocumentState(document_state);
4899
4900   if (!pending_navigation_params_->common_params.url.SchemeIs(
4901           url::kJavaScriptScheme) &&
4902       pending_navigation_params_->common_params.navigation_type ==
4903           FrameMsg_Navigate_Type::RESTORE) {
4904     // We're doing a load of a page that was restored from the last session. By
4905     // default this prefers the cache over loading (LOAD_PREFERRING_CACHE) which
4906     // can result in stale data for pages that are set to expire. We explicitly
4907     // override that by setting the policy here so that as necessary we load
4908     // from the network.
4909     //
4910     // TODO(davidben): Remove this in favor of passing a cache policy to the
4911     // loadHistoryItem call in OnNavigate. That requires not overloading
4912     // UseProtocolCachePolicy to mean both "normal load" and "determine cache
4913     // policy based on load type, etc".
4914     internal_data->set_cache_policy_override(
4915         WebURLRequest::UseProtocolCachePolicy);
4916   }
4917
4918   if (IsReload(pending_navigation_params_->common_params.navigation_type))
4919     document_state->set_load_type(DocumentState::RELOAD);
4920   else if (pending_navigation_params_->request_params.page_state.IsValid())
4921     document_state->set_load_type(DocumentState::HISTORY_LOAD);
4922   else
4923     document_state->set_load_type(DocumentState::NORMAL_LOAD);
4924
4925   internal_data->set_is_overriding_user_agent(
4926       pending_navigation_params_->request_params.is_overriding_user_agent);
4927   internal_data->set_must_reset_scroll_and_scale_state(
4928       pending_navigation_params_->common_params.navigation_type ==
4929       FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL);
4930   document_state->set_can_load_local_resources(
4931       pending_navigation_params_->request_params.can_load_local_resources);
4932 }
4933
4934 NavigationState* RenderFrameImpl::CreateNavigationStateFromPending() {
4935   // A navigation resulting from loading a javascript URL should not be treated
4936   // as a browser initiated event.  Instead, we want it to look as if the page
4937   // initiated any load resulting from JS execution.
4938   if (!pending_navigation_params_->common_params.url.SchemeIs(
4939           url::kJavaScriptScheme)) {
4940     return NavigationStateImpl::CreateBrowserInitiated(
4941         pending_navigation_params_->common_params,
4942         pending_navigation_params_->start_params,
4943         pending_navigation_params_->request_params);
4944   }
4945   return NavigationStateImpl::CreateContentInitiated();
4946 }
4947
4948 #if defined(OS_ANDROID)
4949
4950 WebMediaPlayer* RenderFrameImpl::CreateAndroidWebMediaPlayer(
4951     WebMediaPlayerClient* client,
4952     WebMediaPlayerEncryptedMediaClient* encrypted_client,
4953     media::MediaPermission* media_permission,
4954     WebContentDecryptionModule* initial_cdm) {
4955   scoped_refptr<StreamTextureFactory> stream_texture_factory;
4956   if (SynchronousCompositorFactory* factory =
4957           SynchronousCompositorFactory::GetInstance()) {
4958     stream_texture_factory = factory->CreateStreamTextureFactory(routing_id_);
4959   } else {
4960     GpuChannelHost* gpu_channel_host =
4961         RenderThreadImpl::current()->EstablishGpuChannelSync(
4962             CAUSE_FOR_GPU_LAUNCH_VIDEODECODEACCELERATOR_INITIALIZE);
4963
4964     if (!gpu_channel_host) {
4965       LOG(ERROR) << "Failed to establish GPU channel for media player";
4966       return NULL;
4967     }
4968
4969     scoped_refptr<cc_blink::ContextProviderWebContext> context_provider =
4970         RenderThreadImpl::current()->SharedMainThreadContextProvider();
4971
4972     if (!context_provider.get()) {
4973       LOG(ERROR) << "Failed to get context3d for media player";
4974       return NULL;
4975     }
4976
4977     stream_texture_factory = StreamTextureFactoryImpl::Create(
4978         context_provider, gpu_channel_host, routing_id_);
4979   }
4980
4981   return new WebMediaPlayerAndroid(
4982       frame_, client, encrypted_client, weak_factory_.GetWeakPtr(),
4983       GetMediaPlayerManager(), GetCdmFactory(), media_permission, initial_cdm,
4984       stream_texture_factory,
4985       RenderThreadImpl::current()->GetMediaThreadTaskRunner(),
4986       new RenderMediaLog());
4987 }
4988
4989 RendererMediaPlayerManager* RenderFrameImpl::GetMediaPlayerManager() {
4990   if (!media_player_manager_)
4991     media_player_manager_ = new RendererMediaPlayerManager(this);
4992   return media_player_manager_;
4993 }
4994
4995 #endif  // defined(OS_ANDROID)
4996
4997 media::MediaPermission* RenderFrameImpl::GetMediaPermission() {
4998   if (!media_permission_dispatcher_)
4999     media_permission_dispatcher_ = new MediaPermissionDispatcher(this);
5000   return media_permission_dispatcher_;
5001 }
5002
5003 #if defined(ENABLE_MOJO_MEDIA)
5004 media::interfaces::ServiceFactory* RenderFrameImpl::GetMediaServiceFactory() {
5005   if (!media_service_factory_) {
5006     mojo::InterfacePtr<mojo::Shell> shell_ptr;
5007     GetServiceRegistry()->ConnectToRemoteService(mojo::GetProxy(&shell_ptr));
5008
5009     mojo::ServiceProviderPtr service_provider;
5010     mojo::URLRequestPtr request(mojo::URLRequest::New());
5011     request->url = mojo::String::From("mojo:media");
5012     shell_ptr->ConnectToApplication(request.Pass(), GetProxy(&service_provider),
5013                                     nullptr, nullptr);
5014
5015     mojo::ConnectToService(service_provider.get(), &media_service_factory_);
5016
5017     media_service_factory_.set_connection_error_handler(
5018         base::Bind(&RenderFrameImpl::OnMediaServiceFactoryConnectionError,
5019                    base::Unretained(this)));
5020   }
5021
5022   return media_service_factory_.get();
5023 }
5024
5025 void RenderFrameImpl::OnMediaServiceFactoryConnectionError() {
5026   // TODO(xhwang): Resetting |media_service_factory_| could cause access
5027   // violation on the old |media_service_factory_| by outstanding
5028   // media::CdmFactory or media::RendererFactory. Find a better way to handle
5029   // this.
5030   // media_service_factory_.reset();
5031 }
5032 #endif
5033
5034 bool RenderFrameImpl::AreSecureCodecsSupported() {
5035 #if defined(OS_ANDROID)
5036   // Hardware-secure codecs are only supported if secure surfaces are enabled.
5037   return render_view_->renderer_preferences_
5038       .use_video_overlay_for_embedded_encrypted_video;
5039 #else
5040   return false;
5041 #endif  // defined(OS_ANDROID)
5042 }
5043
5044 media::CdmFactory* RenderFrameImpl::GetCdmFactory() {
5045 #if defined(ENABLE_BROWSER_CDMS)
5046   if (!cdm_manager_)
5047     cdm_manager_ = new RendererCdmManager(this);
5048 #endif  // defined(ENABLE_BROWSER_CDMS)
5049
5050   if (!cdm_factory_) {
5051     DCHECK(frame_);
5052
5053 #if defined(ENABLE_MOJO_MEDIA)
5054     cdm_factory_.reset(new media::MojoCdmFactory(GetMediaServiceFactory()));
5055 #else
5056     cdm_factory_.reset(new RenderCdmFactory(
5057 #if defined(ENABLE_PEPPER_CDMS)
5058         base::Bind(&PepperCdmWrapperImpl::Create, frame_)
5059 #elif defined(ENABLE_BROWSER_CDMS)
5060         cdm_manager_
5061 #endif
5062         ));
5063 #endif  //  defined(ENABLE_MOJO_MEDIA)
5064   }
5065
5066   return cdm_factory_.get();
5067 }
5068
5069 void RenderFrameImpl::RegisterMojoServices() {
5070   // Only main frame have ImageDownloader service.
5071   if (!frame_->parent()) {
5072     GetServiceRegistry()->AddService<image_downloader::ImageDownloader>(
5073         base::Bind(&ImageDownloaderImpl::CreateMojoService,
5074                    base::Unretained(this)));
5075   }
5076 }
5077
5078 }  // namespace content