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/time/time.h"
  21 #include "cc/base/switches.h"
  22 #include "content/child/appcache/appcache_dispatcher.h"
  23 #include "content/child/permissions/permission_dispatcher.h"
  24 #include "content/child/plugin_messages.h"
  25 #include "content/child/quota_dispatcher.h"
  26 #include "content/child/request_extra_data.h"
  27 #include "content/child/service_worker/service_worker_handle_reference.h"
  28 #include "content/child/service_worker/service_worker_network_provider.h"
  29 #include "content/child/service_worker/service_worker_provider_context.h"
  30 #include "content/child/service_worker/web_service_worker_provider_impl.h"
  31 #include "content/child/v8_value_converter_impl.h"
  32 #include "content/child/web_url_loader_impl.h"
  33 #include "content/child/web_url_request_util.h"
  34 #include "content/child/webmessageportchannel_impl.h"
  35 #include "content/child/websocket_bridge.h"
  36 #include "content/child/weburlresponse_extradata_impl.h"
  37 #include "content/common/clipboard_messages.h"
  38 #include "content/common/frame_messages.h"
  39 #include "content/common/frame_replication_state.h"
  40 #include "content/common/input_messages.h"
  41 #include "content/common/navigation_params.h"
  42 #include "content/common/service_worker/service_worker_types.h"
  43 #include "content/common/swapped_out_messages.h"
  44 #include "content/common/view_messages.h"
  45 #include "content/public/common/bindings_policy.h"
  46 #include "content/public/common/content_constants.h"
  47 #include "content/public/common/content_switches.h"
  48 #include "content/public/common/context_menu_params.h"
  49 #include "content/public/common/page_state.h"
  50 #include "content/public/common/resource_response.h"
  51 #include "content/public/common/url_constants.h"
  52 #include "content/public/common/url_utils.h"
  53 #include "content/public/renderer/browser_plugin_delegate.h"
  54 #include "content/public/renderer/content_renderer_client.h"
  55 #include "content/public/renderer/context_menu_client.h"
  56 #include "content/public/renderer/document_state.h"
  57 #include "content/public/renderer/navigation_state.h"
  58 #include "content/public/renderer/render_frame_observer.h"
  59 #include "content/public/renderer/renderer_ppapi_host.h"
  60 #include "content/renderer/accessibility/renderer_accessibility.h"
  61 #include "content/renderer/browser_plugin/browser_plugin.h"
  62 #include "content/renderer/browser_plugin/browser_plugin_manager.h"
  63 #include "content/renderer/child_frame_compositing_helper.h"
  64 #include "content/renderer/context_menu_params_builder.h"
  65 #include "content/renderer/devtools/devtools_agent.h"
  66 #include "content/renderer/dom_automation_controller.h"
  67 #include "content/renderer/dom_utils.h"
  68 #include "content/renderer/external_popup_menu.h"
  69 #include "content/renderer/geolocation_dispatcher.h"
  70 #include "content/renderer/gpu/gpu_benchmarking_extension.h"
  71 #include "content/renderer/history_controller.h"
  72 #include "content/renderer/history_serialization.h"
  73 #include "content/renderer/image_loading_helper.h"
  74 #include "content/renderer/ime_event_guard.h"
  75 #include "content/renderer/internal_document_state_data.h"
  76 #include "content/renderer/manifest/manifest_manager.h"
  77 #include "content/renderer/media/audio_renderer_mixer_manager.h"
  78 #include "content/renderer/media/crypto/render_cdm_factory.h"
  79 #include "content/renderer/media/media_permission_dispatcher.h"
  80 #include "content/renderer/media/media_stream_dispatcher.h"
  81 #include "content/renderer/media/media_stream_renderer_factory.h"
  82 #include "content/renderer/media/midi_dispatcher.h"
  83 #include "content/renderer/media/render_media_log.h"
  84 #include "content/renderer/media/user_media_client_impl.h"
  85 #include "content/renderer/media/webmediaplayer_ms.h"
  86 #include "content/renderer/memory_benchmarking_extension.h"
  87 #include "content/renderer/mojo/service_registry_js_wrapper.h"
  88 #include "content/renderer/navigation_state_impl.h"
  89 #include "content/renderer/notification_permission_dispatcher.h"
  90 #include "content/renderer/npapi/plugin_channel_host.h"
  91 #include "content/renderer/pepper/plugin_instance_throttler_impl.h"
  92 #include "content/renderer/presentation/presentation_dispatcher.h"
  93 #include "content/renderer/push_messaging/push_messaging_dispatcher.h"
  94 #include "content/renderer/render_frame_proxy.h"
  95 #include "content/renderer/render_process.h"
  96 #include "content/renderer/render_thread_impl.h"
  97 #include "content/renderer/render_view_impl.h"
  98 #include "content/renderer/render_widget_fullscreen_pepper.h"
  99 #include "content/renderer/renderer_webapplicationcachehost_impl.h"
 100 #include "content/renderer/renderer_webcolorchooser_impl.h"
 101 #include "content/renderer/screen_orientation/screen_orientation_dispatcher.h"
 102 #include "content/renderer/shared_worker_repository.h"
 103 #include "content/renderer/skia_benchmarking_extension.h"
 104 #include "content/renderer/stats_collection_controller.h"
 105 #include "content/renderer/web_ui_extension.h"
 106 #include "content/renderer/websharedworker_proxy.h"
 107 #include "gin/modules/module_registry.h"
 108 #include "media/base/audio_renderer_mixer_input.h"
 109 #include "media/base/media_log.h"
 110 #include "media/blink/webencryptedmediaclient_impl.h"
 111 #include "media/blink/webmediaplayer_impl.h"
 112 #include "media/blink/webmediaplayer_params.h"
 113 #include "media/renderers/gpu_video_accelerator_factories.h"
 114 #include "net/base/data_url.h"
 115 #include "net/base/net_errors.h"
 116 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
 117 #include "net/http/http_util.h"
 118 #include "third_party/WebKit/public/platform/WebStorageQuotaCallbacks.h"
 119 #include "third_party/WebKit/public/platform/WebString.h"
 120 #include "third_party/WebKit/public/platform/WebURL.h"
 121 #include "third_party/WebKit/public/platform/WebURLError.h"
 122 #include "third_party/WebKit/public/platform/WebURLResponse.h"
 123 #include "third_party/WebKit/public/platform/WebVector.h"
 124 #include "third_party/WebKit/public/web/WebColorSuggestion.h"
 125 #include "third_party/WebKit/public/web/WebDocument.h"
 126 #include "third_party/WebKit/public/web/WebFrameWidget.h"
 127 #include "third_party/WebKit/public/web/WebGlyphCache.h"
 128 #include "third_party/WebKit/public/web/WebKit.h"
 129 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 130 #include "third_party/WebKit/public/web/WebMediaStreamRegistry.h"
 131 #include "third_party/WebKit/public/web/WebNavigationPolicy.h"
 132 #include "third_party/WebKit/public/web/WebPlugin.h"
 133 #include "third_party/WebKit/public/web/WebPluginParams.h"
 134 #include "third_party/WebKit/public/web/WebPluginPlaceholder.h"
 135 #include "third_party/WebKit/public/web/WebRange.h"
 136 #include "third_party/WebKit/public/web/WebScopedUserGesture.h"
 137 #include "third_party/WebKit/public/web/WebScriptSource.h"
 138 #include "third_party/WebKit/public/web/WebSearchableFormData.h"
 139 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
 140 #include "third_party/WebKit/public/web/WebSecurityPolicy.h"
 141 #include "third_party/WebKit/public/web/WebSerializedScriptValue.h"
 142 #include "third_party/WebKit/public/web/WebSettings.h"
 143 #include "third_party/WebKit/public/web/WebSurroundingText.h"
 144 #include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
 145 #include "third_party/WebKit/public/web/WebView.h"
 146 #include "third_party/mojo/src/mojo/edk/js/core.h"
 147 #include "third_party/mojo/src/mojo/edk/js/support.h"
 148
 149 #if defined(ENABLE_PLUGINS)
 150 #include "content/renderer/npapi/webplugin_impl.h"
 151 #include "content/renderer/pepper/pepper_browser_connection.h"
 152 #include "content/renderer/pepper/pepper_plugin_instance_impl.h"
 153 #include "content/renderer/pepper/pepper_webplugin_impl.h"
 154 #include "content/renderer/pepper/plugin_module.h"
 155 #endif
 156
 157 #if defined(ENABLE_WEBRTC)
 158 #include "content/renderer/media/rtc_peer_connection_handler.h"
 159 #endif
 160
 161 #if defined(OS_ANDROID)
 162 #include <cpu-features.h>
 163
 164 #include "content/common/gpu/client/context_provider_command_buffer.h"
 165 #include "content/renderer/android/synchronous_compositor_factory.h"
 166 #include "content/renderer/java/gin_java_bridge_dispatcher.h"
 167 #include "content/renderer/media/android/renderer_media_player_manager.h"
 168 #include "content/renderer/media/android/stream_texture_factory_impl.h"
 169 #include "content/renderer/media/android/webmediaplayer_android.h"
 170 #else
 171 #include "cc/blink/context_provider_web_context.h"
 172 #endif
 173
 174 #if defined(ENABLE_PEPPER_CDMS)
 175 #include "content/renderer/media/crypto/pepper_cdm_wrapper_impl.h"
 176 #elif defined(ENABLE_BROWSER_CDMS)
 177 #include "content/renderer/media/crypto/renderer_cdm_manager.h"
 178 #endif
 179
 180 #if defined(ENABLE_MEDIA_MOJO_RENDERER)
 181 #include "content/renderer/media/media_renderer_service_provider.h"
 182 #include "media/mojo/services/mojo_renderer_factory.h"
 183 #else
 184 #include "media/renderers/default_renderer_factory.h"
 185 #endif
 186
 187 using blink::WebContextMenuData;
 188 using blink::WebData;
 189 using blink::WebDataSource;
 190 using blink::WebDocument;
 191 using blink::WebDOMEvent;
 192 using blink::WebDOMMessageEvent;
 193 using blink::WebElement;
 194 using blink::WebExternalPopupMenu;
 195 using blink::WebExternalPopupMenuClient;
 196 using blink::WebFrame;
 197 using blink::WebHistoryItem;
 198 using blink::WebHTTPBody;
 199 using blink::WebLocalFrame;
 200 using blink::WebMediaPlayer;
 201 using blink::WebMediaPlayerClient;
 202 using blink::WebNavigationPolicy;
 203 using blink::WebNavigationType;
 204 using blink::WebNode;
 205 using blink::WebPluginParams;
 206 using blink::WebPopupMenuInfo;
 207 using blink::WebRange;
 208 using blink::WebReferrerPolicy;
 209 using blink::WebScriptSource;
 210 using blink::WebSearchableFormData;
 211 using blink::WebSecurityOrigin;
 212 using blink::WebSecurityPolicy;
 213 using blink::WebSerializedScriptValue;
 214 using blink::WebServiceWorkerProvider;
 215 using blink::WebStorageQuotaCallbacks;
 216 using blink::WebString;
 217 using blink::WebURL;
 218 using blink::WebURLError;
 219 using blink::WebURLRequest;
 220 using blink::WebURLResponse;
 221 using blink::WebUserGestureIndicator;
 222 using blink::WebVector;
 223 using blink::WebView;
 224 using base::Time;
 225 using base::TimeDelta;
 226
 227 namespace content {
 228
 229 namespace {
 230
 231 const char kDefaultAcceptHeader[] =
 232     "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/"
 233     "*;q=0.8";
 234 const char kAcceptHeader[] = "Accept";
 235
 236 const size_t kExtraCharsBeforeAndAfterSelection = 100;
 237
 238 typedef std::map<int, RenderFrameImpl*> RoutingIDFrameMap;
 239 static base::LazyInstance<RoutingIDFrameMap> g_routing_id_frame_map =
 240     LAZY_INSTANCE_INITIALIZER;
 241
 242 typedef std::map<blink::WebFrame*, RenderFrameImpl*> FrameMap;
 243 base::LazyInstance<FrameMap> g_frame_map = LAZY_INSTANCE_INITIALIZER;
 244
 245 int64 ExtractPostId(HistoryEntry* entry) {
 246   if (!entry)
 247     return -1;
 248
 249   const WebHistoryItem& item = entry->root();
 250   if (item.isNull() || item.httpBody().isNull())
 251     return -1;
 252
 253   return item.httpBody().identifier();
 254 }
 255
 256 WebURLResponseExtraDataImpl* GetExtraDataFromResponse(
 257     const WebURLResponse& response) {
 258   return static_cast<WebURLResponseExtraDataImpl*>(response.extraData());
 259 }
 260
 261 void GetRedirectChain(WebDataSource* ds, std::vector<GURL>* result) {
 262   // Replace any occurrences of swappedout:// with about:blank.
 263   const WebURL& blank_url = GURL(url::kAboutBlankURL);
 264   WebVector<WebURL> urls;
 265   ds->redirectChain(urls);
 266   result->reserve(urls.size());
 267   for (size_t i = 0; i < urls.size(); ++i) {
 268     if (urls[i] != GURL(kSwappedOutURL))
 269       result->push_back(urls[i]);
 270     else
 271       result->push_back(blank_url);
 272   }
 273 }
 274
 275 // Returns the original request url. If there is no redirect, the original
 276 // url is the same as ds->request()->url(). If the WebDataSource belongs to a
 277 // frame was loaded by loadData, the original url will be ds->unreachableURL()
 278 GURL GetOriginalRequestURL(WebDataSource* ds) {
 279   // WebDataSource has unreachable URL means that the frame is loaded through
 280   // blink::WebFrame::loadData(), and the base URL will be in the redirect
 281   // chain. However, we never visited the baseURL. So in this case, we should
 282   // use the unreachable URL as the original URL.
 283   if (ds->hasUnreachableURL())
 284     return ds->unreachableURL();
 285
 286   std::vector<GURL> redirects;
 287   GetRedirectChain(ds, &redirects);
 288   if (!redirects.empty())
 289     return redirects.at(0);
 290
 291   return ds->originalRequest().url();
 292 }
 293
 294 NOINLINE void CrashIntentionally() {
 295   // NOTE(shess): Crash directly rather than using NOTREACHED() so
 296   // that the signature is easier to triage in crash reports.
 297   volatile int* zero = NULL;
 298   *zero = 0;
 299 }
 300
 301 #if defined(ADDRESS_SANITIZER) || defined(SYZYASAN)
 302 NOINLINE void MaybeTriggerAsanError(const GURL& url) {
 303   // NOTE(rogerm): We intentionally perform an invalid heap access here in
 304   //     order to trigger an Address Sanitizer (ASAN) error report.
 305   const char kCrashDomain[] = "crash";
 306   const char kHeapOverflow[] = "/heap-overflow";
 307   const char kHeapUnderflow[] = "/heap-underflow";
 308   const char kUseAfterFree[] = "/use-after-free";
 309 #if defined(SYZYASAN)
 310   const char kCorruptHeapBlock[] = "/corrupt-heap-block";
 311   const char kCorruptHeap[] = "/corrupt-heap";
 312 #endif
 313
 314   if (!url.DomainIs(kCrashDomain, sizeof(kCrashDomain) - 1))
 315     return;
 316
 317   if (!url.has_path())
 318     return;
 319
 320   std::string crash_type(url.path());
 321   if (crash_type == kHeapOverflow) {
 322     base::debug::AsanHeapOverflow();
 323   } else if (crash_type == kHeapUnderflow ) {
 324     base::debug::AsanHeapUnderflow();
 325   } else if (crash_type == kUseAfterFree) {
 326     base::debug::AsanHeapUseAfterFree();
 327 #if defined(SYZYASAN)
 328   } else if (crash_type == kCorruptHeapBlock) {
 329     base::debug::AsanCorruptHeapBlock();
 330   } else if (crash_type == kCorruptHeap) {
 331     base::debug::AsanCorruptHeap();
 332 #endif
 333   }
 334 }
 335 #endif  // ADDRESS_SANITIZER || SYZYASAN
 336
 337 void MaybeHandleDebugURL(const GURL& url) {
 338   if (!url.SchemeIs(kChromeUIScheme))
 339     return;
 340   if (url == GURL(kChromeUICrashURL)) {
 341     CrashIntentionally();
 342   } else if (url == GURL(kChromeUIDumpURL)) {
 343     // This URL will only correctly create a crash dump file if content is
 344     // hosted in a process that has correctly called
 345     // base::debug::SetDumpWithoutCrashingFunction.  Refer to the documentation
 346     // of base::debug::DumpWithoutCrashing for more details.
 347     base::debug::DumpWithoutCrashing();
 348   } else if (url == GURL(kChromeUIKillURL)) {
 349     base::Process::Current().Terminate(1, false);
 350   } else if (url == GURL(kChromeUIHangURL)) {
 351     for (;;) {
 352       base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(1));
 353     }
 354   } else if (url == GURL(kChromeUIShorthangURL)) {
 355     base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(20));
 356   }
 357
 358 #if defined(ADDRESS_SANITIZER) || defined(SYZYASAN)
 359   MaybeTriggerAsanError(url);
 360 #endif  // ADDRESS_SANITIZER || SYZYASAN
 361 }
 362
 363 // Returns false unless this is a top-level navigation.
 364 bool IsTopLevelNavigation(WebFrame* frame) {
 365   return frame->parent() == NULL;
 366 }
 367
 368 // Returns false unless this is a top-level navigation that crosses origins.
 369 bool IsNonLocalTopLevelNavigation(const GURL& url,
 370                                   WebFrame* frame,
 371                                   WebNavigationType type,
 372                                   bool is_form_post) {
 373   if (!IsTopLevelNavigation(frame))
 374     return false;
 375
 376   // Navigations initiated within Webkit are not sent out to the external host
 377   // in the following cases.
 378   // 1. The url scheme is not http/https
 379   // 2. The origin of the url and the opener is the same in which case the
 380   //    opener relationship is maintained.
 381   // 3. Reloads/form submits/back forward navigations
 382   if (!url.SchemeIs(url::kHttpScheme) && !url.SchemeIs(url::kHttpsScheme))
 383     return false;
 384
 385   if (type != blink::WebNavigationTypeReload &&
 386       type != blink::WebNavigationTypeBackForward && !is_form_post) {
 387     // The opener relationship between the new window and the parent allows the
 388     // new window to script the parent and vice versa. This is not allowed if
 389     // the origins of the two domains are different. This can be treated as a
 390     // top level navigation and routed back to the host.
 391     blink::WebFrame* opener = frame->opener();
 392     if (!opener)
 393       return true;
 394
 395     if (url.GetOrigin() != GURL(opener->document().url()).GetOrigin())
 396       return true;
 397   }
 398   return false;
 399 }
 400
 401 WebURLRequest CreateURLRequestForNavigation(
 402     const CommonNavigationParams& common_params,
 403     scoped_ptr<StreamOverrideParameters> stream_override,
 404     bool is_view_source_mode_enabled) {
 405   WebURLRequest request(common_params.url);
 406   if (is_view_source_mode_enabled)
 407     request.setCachePolicy(WebURLRequest::ReturnCacheDataElseLoad);
 408
 409   if (common_params.referrer.url.is_valid()) {
 410     WebString web_referrer = WebSecurityPolicy::generateReferrerHeader(
 411         common_params.referrer.policy,
 412         common_params.url,
 413         WebString::fromUTF8(common_params.referrer.url.spec()));
 414     if (!web_referrer.isEmpty())
 415       request.setHTTPReferrer(web_referrer, common_params.referrer.policy);
 416   }
 417
 418   RequestExtraData* extra_data = new RequestExtraData();
 419   extra_data->set_stream_override(stream_override.Pass());
 420   request.setExtraData(extra_data);
 421
 422   // Set the ui timestamp for this navigation. Currently the timestamp here is
 423   // only non empty when the navigation was triggered by an Android intent. The
 424   // timestamp is converted to a double version supported by blink. It will be
 425   // passed back to the browser in the DidCommitProvisionalLoad and the
 426   // DocumentLoadComplete IPCs.
 427   base::TimeDelta ui_timestamp = common_params.ui_timestamp - base::TimeTicks();
 428   request.setUiStartTime(ui_timestamp.InSecondsF());
 429   request.setInputPerfMetricReportPolicy(
 430       static_cast<WebURLRequest::InputToLoadPerfMetricReportPolicy>(
 431           common_params.report_type));
 432   return request;
 433 }
 434
 435 void UpdateFrameNavigationTiming(WebFrame* frame,
 436                                  base::TimeTicks browser_navigation_start,
 437                                  base::TimeTicks renderer_navigation_start) {
 438   // The browser provides the navigation_start time to bootstrap the
 439   // Navigation Timing information for the browser-initiated navigations. In
 440   // case of cross-process navigations, this carries over the time of
 441   // finishing the onbeforeunload handler of the previous page.
 442   DCHECK(!browser_navigation_start.is_null());
 443   if (frame->provisionalDataSource()) {
 444     // |browser_navigation_start| is likely before this process existed, so we
 445     // can't use InterProcessTimeTicksConverter. We need at least to ensure
 446     // that the browser-side navigation start we set is not later than the one
 447     // on the renderer side.
 448     base::TimeTicks navigation_start = std::min(
 449         browser_navigation_start, renderer_navigation_start);
 450     double navigation_start_seconds =
 451         (navigation_start - base::TimeTicks()).InSecondsF();
 452     frame->provisionalDataSource()->setNavigationStartTime(
 453         navigation_start_seconds);
 454     // TODO(clamy): We need to provide additional timing values for the
 455     // Navigation Timing API to work with browser-side navigations.
 456   }
 457 }
 458
 459 // PlzNavigate
 460 CommonNavigationParams MakeCommonNavigationParams(
 461     blink::WebURLRequest* request) {
 462   const RequestExtraData kEmptyData;
 463   const RequestExtraData* extra_data =
 464       static_cast<RequestExtraData*>(request->extraData());
 465   if (!extra_data)
 466     extra_data = &kEmptyData;
 467   Referrer referrer(
 468       GURL(request->httpHeaderField(WebString::fromUTF8("Referer")).latin1()),
 469       request->referrerPolicy());
 470
 471   // Set the ui timestamp for this navigation. Currently the timestamp here is
 472   // only non empty when the navigation was triggered by an Android intent, or
 473   // by the user clicking on a link. The timestamp is converted from a double
 474   // version supported by blink. It will be passed back to the renderer in the
 475   // CommitNavigation IPC, and then back to the browser again in the
 476   // DidCommitProvisionalLoad and the DocumentLoadComplete IPCs.
 477   base::TimeTicks ui_timestamp =
 478       base::TimeTicks() + base::TimeDelta::FromSecondsD(request->uiStartTime());
 479   FrameMsg_UILoadMetricsReportType::Value report_type =
 480       static_cast<FrameMsg_UILoadMetricsReportType::Value>(
 481           request->inputPerfMetricReportPolicy());
 482   return CommonNavigationParams(request->url(), referrer,
 483                                 extra_data->transition_type(),
 484                                 FrameMsg_Navigate_Type::NORMAL, true,
 485                                 ui_timestamp, report_type, GURL(), GURL());
 486 }
 487
 488 #if !defined(OS_ANDROID)
 489 media::Context3D GetSharedMainThreadContext3D() {
 490   cc::ContextProvider* provider =
 491       RenderThreadImpl::current()->SharedMainThreadContextProvider().get();
 492   if (!provider)
 493     return media::Context3D();
 494   return media::Context3D(provider->ContextGL(), provider->GrContext());
 495 }
 496 #endif
 497
 498 bool IsReload(FrameMsg_Navigate_Type::Value navigation_type) {
 499   return navigation_type == FrameMsg_Navigate_Type::RELOAD ||
 500          navigation_type == FrameMsg_Navigate_Type::RELOAD_IGNORING_CACHE ||
 501          navigation_type == FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL;
 502 }
 503
 504 RenderFrameImpl::CreateRenderFrameImplFunction g_create_render_frame_impl =
 505     nullptr;
 506
 507 #define STATIC_ASSERT_MATCHING_ENUMS(content_name, blink_name)        \
 508   static_assert(                                                      \
 509       static_cast<int>(content_name) == static_cast<int>(blink_name), \
 510       "enum values must match")
 511
 512 // Check that blink::WebSandboxFlags is kept in sync with
 513 // content::SandboxFlags.
 514 STATIC_ASSERT_MATCHING_ENUMS(SandboxFlags::NONE,
 515                              blink::WebSandboxFlags::None);
 516 STATIC_ASSERT_MATCHING_ENUMS(SandboxFlags::NAVIGATION,
 517                              blink::WebSandboxFlags::Navigation);
 518 STATIC_ASSERT_MATCHING_ENUMS(SandboxFlags::PLUGINS,
 519                              blink::WebSandboxFlags::Plugins);
 520 STATIC_ASSERT_MATCHING_ENUMS(SandboxFlags::ORIGIN,
 521                              blink::WebSandboxFlags::Origin);
 522 STATIC_ASSERT_MATCHING_ENUMS(SandboxFlags::FORMS,
 523                              blink::WebSandboxFlags::Forms);
 524 STATIC_ASSERT_MATCHING_ENUMS(SandboxFlags::SCRIPTS,
 525                              blink::WebSandboxFlags::Scripts);
 526 STATIC_ASSERT_MATCHING_ENUMS(SandboxFlags::TOP_NAVIGATION,
 527                              blink::WebSandboxFlags::TopNavigation);
 528 STATIC_ASSERT_MATCHING_ENUMS(SandboxFlags::POPUPS,
 529                              blink::WebSandboxFlags::Popups);
 530 STATIC_ASSERT_MATCHING_ENUMS(SandboxFlags::AUTOMATIC_FEATURES,
 531                              blink::WebSandboxFlags::AutomaticFeatures);
 532 STATIC_ASSERT_MATCHING_ENUMS(SandboxFlags::POINTER_LOCK,
 533                              blink::WebSandboxFlags::PointerLock);
 534 STATIC_ASSERT_MATCHING_ENUMS(SandboxFlags::DOCUMENT_DOMAIN,
 535                              blink::WebSandboxFlags::DocumentDomain);
 536 STATIC_ASSERT_MATCHING_ENUMS(SandboxFlags::ORIENTATION_LOCK,
 537                              blink::WebSandboxFlags::OrientationLock);
 538 STATIC_ASSERT_MATCHING_ENUMS(SandboxFlags::ALL,
 539                              blink::WebSandboxFlags::All);
 540
 541 }  // namespace
 542
 543 // static
 544 RenderFrameImpl* RenderFrameImpl::Create(RenderViewImpl* render_view,
 545                                          int32 routing_id) {
 546   DCHECK(routing_id != MSG_ROUTING_NONE);
 547
 548   if (g_create_render_frame_impl)
 549     return g_create_render_frame_impl(render_view, routing_id);
 550   else
 551     return new RenderFrameImpl(render_view, routing_id);
 552 }
 553
 554 // static
 555 RenderFrameImpl* RenderFrameImpl::FromRoutingID(int32 routing_id) {
 556   RoutingIDFrameMap::iterator iter =
 557       g_routing_id_frame_map.Get().find(routing_id);
 558   if (iter != g_routing_id_frame_map.Get().end())
 559     return iter->second;
 560   return NULL;
 561 }
 562
 563 // static
 564 void RenderFrameImpl::CreateFrame(
 565     int routing_id,
 566     int parent_routing_id,
 567     int proxy_routing_id,
 568     const FrameReplicationState& replicated_state,
 569     CompositorDependencies* compositor_deps,
 570     const FrameMsg_NewFrame_WidgetParams& widget_params) {
 571   // TODO(nasko): For now, this message is only sent for subframes, as the
 572   // top level frame is created when the RenderView is created through the
 573   // ViewMsg_New IPC.
 574   CHECK_NE(MSG_ROUTING_NONE, parent_routing_id);
 575
 576   blink::WebLocalFrame* web_frame;
 577   RenderFrameImpl* render_frame;
 578   if (proxy_routing_id == MSG_ROUTING_NONE) {
 579     RenderFrameProxy* parent_proxy =
 580         RenderFrameProxy::FromRoutingID(parent_routing_id);
 581     // If the browser is sending a valid parent routing id, it should already
 582     // be created and registered.
 583     CHECK(parent_proxy);
 584     blink::WebRemoteFrame* parent_web_frame = parent_proxy->web_frame();
 585
 586     // Create the RenderFrame and WebLocalFrame, linking the two.
 587     render_frame =
 588         RenderFrameImpl::Create(parent_proxy->render_view(), routing_id);
 589     web_frame = parent_web_frame->createLocalChild(
 590         WebString::fromUTF8(replicated_state.name),
 591         ContentToWebSandboxFlags(replicated_state.sandbox_flags), render_frame);
 592   } else {
 593     RenderFrameProxy* proxy =
 594         RenderFrameProxy::FromRoutingID(proxy_routing_id);
 595     CHECK(proxy);
 596     render_frame = RenderFrameImpl::Create(proxy->render_view(), routing_id);
 597     web_frame = blink::WebLocalFrame::create(render_frame);
 598     render_frame->proxy_routing_id_ = proxy_routing_id;
 599     web_frame->initializeToReplaceRemoteFrame(
 600         proxy->web_frame(), WebString::fromUTF8(replicated_state.name),
 601         ContentToWebSandboxFlags(replicated_state.sandbox_flags));
 602   }
 603   render_frame->SetWebFrame(web_frame);
 604
 605   if (widget_params.routing_id != MSG_ROUTING_NONE) {
 606     CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch(
 607         switches::kSitePerProcess));
 608     render_frame->render_widget_ = RenderWidget::CreateForFrame(
 609         widget_params.routing_id, widget_params.surface_id,
 610         widget_params.hidden, render_frame->render_view_->screen_info(),
 611         compositor_deps, web_frame);
 612     // TODO(kenrb): Observing shouldn't be necessary when we sort out
 613     // WasShown and WasHidden, separating page-level visibility from
 614     // frame-level visibility.
 615     render_frame->render_widget_->RegisterRenderFrame(render_frame);
 616   }
 617
 618   render_frame->Initialize();
 619 }
 620
 621 // static
 622 RenderFrame* RenderFrame::FromWebFrame(blink::WebFrame* web_frame) {
 623   return RenderFrameImpl::FromWebFrame(web_frame);
 624 }
 625
 626 // static
 627 RenderFrameImpl* RenderFrameImpl::FromWebFrame(blink::WebFrame* web_frame) {
 628   FrameMap::iterator iter = g_frame_map.Get().find(web_frame);
 629   if (iter != g_frame_map.Get().end())
 630     return iter->second;
 631   return NULL;
 632 }
 633
 634 // static
 635 void RenderFrameImpl::InstallCreateHook(
 636     CreateRenderFrameImplFunction create_render_frame_impl) {
 637   CHECK(!g_create_render_frame_impl);
 638   g_create_render_frame_impl = create_render_frame_impl;
 639 }
 640
 641 // static
 642 content::SandboxFlags RenderFrameImpl::WebToContentSandboxFlags(
 643     blink::WebSandboxFlags flags) {
 644   return static_cast<content::SandboxFlags>(flags);
 645 }
 646
 647 // static
 648 blink::WebSandboxFlags RenderFrameImpl::ContentToWebSandboxFlags(
 649     content::SandboxFlags flags) {
 650   return static_cast<blink::WebSandboxFlags>(flags);
 651 }
 652
 653 // RenderFrameImpl ----------------------------------------------------------
 654 RenderFrameImpl::RenderFrameImpl(RenderViewImpl* render_view, int routing_id)
 655     : frame_(NULL),
 656       is_local_root_(false),
 657       render_view_(render_view->AsWeakPtr()),
 658       routing_id_(routing_id),
 659       is_swapped_out_(false),
 660       render_frame_proxy_(NULL),
 661       is_detaching_(false),
 662       proxy_routing_id_(MSG_ROUTING_NONE),
 663 #if defined(ENABLE_PLUGINS)
 664       plugin_power_saver_helper_(NULL),
 665 #endif
 666       cookie_jar_(this),
 667       selection_text_offset_(0),
 668       selection_range_(gfx::Range::InvalidRange()),
 669       handling_select_range_(false),
 670       notification_permission_dispatcher_(NULL),
 671       web_user_media_client_(NULL),
 672       media_permission_dispatcher_(NULL),
 673       midi_dispatcher_(NULL),
 674 #if defined(OS_ANDROID)
 675       media_player_manager_(NULL),
 676 #endif
 677 #if defined(ENABLE_BROWSER_CDMS)
 678       cdm_manager_(NULL),
 679 #endif
 680       cdm_factory_(NULL),
 681 #if defined(VIDEO_HOLE)
 682       contains_media_player_(false),
 683 #endif
 684       devtools_agent_(nullptr),
 685       geolocation_dispatcher_(NULL),
 686       push_messaging_dispatcher_(NULL),
 687       presentation_dispatcher_(NULL),
 688       screen_orientation_dispatcher_(NULL),
 689       manifest_manager_(NULL),
 690       accessibility_mode_(AccessibilityModeOff),
 691       renderer_accessibility_(NULL),
 692       weak_factory_(this) {
 693   std::pair<RoutingIDFrameMap::iterator, bool> result =
 694       g_routing_id_frame_map.Get().insert(std::make_pair(routing_id_, this));
 695   CHECK(result.second) << "Inserting a duplicate item.";
 696
 697   RenderThread::Get()->AddRoute(routing_id_, this);
 698
 699   render_view_->RegisterRenderFrame(this);
 700
 701   // Everything below subclasses RenderFrameObserver and is automatically
 702   // deleted when the RenderFrame gets deleted.
 703 #if defined(OS_ANDROID)
 704   new GinJavaBridgeDispatcher(this);
 705 #endif
 706
 707 #if defined(ENABLE_PLUGINS)
 708   plugin_power_saver_helper_ = new PluginPowerSaverHelper(this);
 709 #endif
 710
 711   manifest_manager_ = new ManifestManager(this);
 712 }
 713
 714 RenderFrameImpl::~RenderFrameImpl() {
 715   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, RenderFrameGone());
 716   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, OnDestruct());
 717
 718 #if defined(VIDEO_HOLE)
 719   if (contains_media_player_)
 720     render_view_->UnregisterVideoHoleFrame(this);
 721 #endif
 722
 723   if (render_frame_proxy_)
 724     delete render_frame_proxy_;
 725
 726   render_view_->UnregisterRenderFrame(this);
 727   g_routing_id_frame_map.Get().erase(routing_id_);
 728   RenderThread::Get()->RemoveRoute(routing_id_);
 729 }
 730
 731 void RenderFrameImpl::SetWebFrame(blink::WebLocalFrame* web_frame) {
 732   DCHECK(!frame_);
 733
 734   std::pair<FrameMap::iterator, bool> result = g_frame_map.Get().insert(
 735       std::make_pair(web_frame, this));
 736   CHECK(result.second) << "Inserting a duplicate item.";
 737
 738   frame_ = web_frame;
 739 }
 740
 741 void RenderFrameImpl::Initialize() {
 742   is_local_root_ = !frame_->parent() || frame_->parent()->isWebRemoteFrame();
 743
 744 #if defined(ENABLE_PLUGINS)
 745   new PepperBrowserConnection(this);
 746 #endif
 747   new SharedWorkerRepository(this);
 748
 749   if (!frame_->parent())
 750     new ImageLoadingHelper(this);
 751
 752   if (is_local_root_ && !render_frame_proxy_) {
 753     // DevToolsAgent is a RenderFrameObserver, and will destruct itself
 754     // when |this| is deleted.
 755     devtools_agent_ = new DevToolsAgent(this);
 756   }
 757
 758   // We delay calling this until we have the WebFrame so that any observer or
 759   // embedder can call GetWebFrame on any RenderFrame.
 760   GetContentClient()->renderer()->RenderFrameCreated(this);
 761 }
 762
 763 RenderWidget* RenderFrameImpl::GetRenderWidget() {
 764   return render_view_.get();
 765 }
 766
 767 #if defined(ENABLE_PLUGINS)
 768 void RenderFrameImpl::PepperPluginCreated(RendererPpapiHost* host) {
 769   FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
 770                     DidCreatePepperPlugin(host));
 771   if (host->GetPluginName() == kFlashPluginName) {
 772     RenderThread::Get()->RecordAction(
 773         base::UserMetricsAction("FrameLoadWithFlash"));
 774   }
 775 }
 776
 777 void RenderFrameImpl::PepperDidChangeCursor(
 778     PepperPluginInstanceImpl* instance,
 779     const blink::WebCursorInfo& cursor) {
 780   // Update the cursor appearance immediately if the requesting plugin is the
 781   // one which receives the last mouse event. Otherwise, the new cursor won't be
 782   // picked up until the plugin gets the next input event. That is bad if, e.g.,
 783   // the plugin would like to set an invisible cursor when there isn't any user
 784   // input for a while.
 785   if (instance == render_view_->pepper_last_mouse_event_target())
 786     GetRenderWidget()->didChangeCursor(cursor);
 787 }
 788
 789 void RenderFrameImpl::PepperDidReceiveMouseEvent(
 790     PepperPluginInstanceImpl* instance) {
 791   render_view_->set_pepper_last_mouse_event_target(instance);
 792 }
 793
 794 void RenderFrameImpl::PepperTextInputTypeChanged(
 795     PepperPluginInstanceImpl* instance) {
 796   if (instance != render_view_->focused_pepper_plugin())
 797     return;
 798
 799   GetRenderWidget()->UpdateTextInputType();
 800
 801   FocusedNodeChangedForAccessibility(WebNode());
 802 }
 803
 804 void RenderFrameImpl::PepperCaretPositionChanged(
 805     PepperPluginInstanceImpl* instance) {
 806   if (instance != render_view_->focused_pepper_plugin())
 807     return;
 808   GetRenderWidget()->UpdateSelectionBounds();
 809 }
 810
 811 void RenderFrameImpl::PepperCancelComposition(
 812     PepperPluginInstanceImpl* instance) {
 813   if (instance != render_view_->focused_pepper_plugin())
 814     return;
 815   Send(new InputHostMsg_ImeCancelComposition(render_view_->GetRoutingID()));;
 816 #if defined(OS_MACOSX) || defined(USE_AURA)
 817   GetRenderWidget()->UpdateCompositionInfo(true);
 818 #endif
 819 }
 820
 821 void RenderFrameImpl::PepperSelectionChanged(
 822     PepperPluginInstanceImpl* instance) {
 823   if (instance != render_view_->focused_pepper_plugin())
 824     return;
 825   SyncSelectionIfRequired();
 826 }
 827
 828 RenderWidgetFullscreenPepper* RenderFrameImpl::CreatePepperFullscreenContainer(
 829     PepperPluginInstanceImpl* plugin) {
 830   GURL active_url;
 831   if (render_view_->webview() && render_view_->webview()->mainFrame())
 832     active_url = GURL(render_view_->webview()->mainFrame()->document().url());
 833   RenderWidgetFullscreenPepper* widget = RenderWidgetFullscreenPepper::Create(
 834       GetRenderWidget()->routing_id(), GetRenderWidget()->compositor_deps(),
 835       plugin, active_url, GetRenderWidget()->screenInfo());
 836   widget->show(blink::WebNavigationPolicyIgnore);
 837   return widget;
 838 }
 839
 840 bool RenderFrameImpl::IsPepperAcceptingCompositionEvents() const {
 841   if (!render_view_->focused_pepper_plugin())
 842     return false;
 843   return render_view_->focused_pepper_plugin()->
 844       IsPluginAcceptingCompositionEvents();
 845 }
 846
 847 void RenderFrameImpl::PluginCrashed(const base::FilePath& plugin_path,
 848                                    base::ProcessId plugin_pid) {
 849   // TODO(jam): dispatch this IPC in RenderFrameHost and switch to use
 850   // routing_id_ as a result.
 851   Send(new FrameHostMsg_PluginCrashed(routing_id_, plugin_path, plugin_pid));
 852 }
 853
 854 void RenderFrameImpl::SimulateImeSetComposition(
 855     const base::string16& text,
 856     const std::vector<blink::WebCompositionUnderline>& underlines,
 857     int selection_start,
 858     int selection_end) {
 859   render_view_->OnImeSetComposition(
 860       text, underlines, selection_start, selection_end);
 861 }
 862
 863 void RenderFrameImpl::SimulateImeConfirmComposition(
 864     const base::string16& text,
 865     const gfx::Range& replacement_range) {
 866   render_view_->OnImeConfirmComposition(text, replacement_range, false);
 867 }
 868
 869 void RenderFrameImpl::OnImeSetComposition(
 870     const base::string16& text,
 871     const std::vector<blink::WebCompositionUnderline>& underlines,
 872     int selection_start,
 873     int selection_end) {
 874   // When a PPAPI plugin has focus, we bypass WebKit.
 875   if (!IsPepperAcceptingCompositionEvents()) {
 876     pepper_composition_text_ = text;
 877   } else {
 878     // TODO(kinaba) currently all composition events are sent directly to
 879     // plugins. Use DOM event mechanism after WebKit is made aware about
 880     // plugins that support composition.
 881     // The code below mimics the behavior of WebCore::Editor::setComposition.
 882
 883     // Empty -> nonempty: composition started.
 884     if (pepper_composition_text_.empty() && !text.empty()) {
 885       render_view_->focused_pepper_plugin()->HandleCompositionStart(
 886           base::string16());
 887     }
 888     // Nonempty -> empty: composition canceled.
 889     if (!pepper_composition_text_.empty() && text.empty()) {
 890       render_view_->focused_pepper_plugin()->HandleCompositionEnd(
 891           base::string16());
 892     }
 893     pepper_composition_text_ = text;
 894     // Nonempty: composition is ongoing.
 895     if (!pepper_composition_text_.empty()) {
 896       render_view_->focused_pepper_plugin()->HandleCompositionUpdate(
 897           pepper_composition_text_, underlines, selection_start,
 898           selection_end);
 899     }
 900   }
 901 }
 902
 903 void RenderFrameImpl::OnImeConfirmComposition(
 904     const base::string16& text,
 905     const gfx::Range& replacement_range,
 906     bool keep_selection) {
 907   // When a PPAPI plugin has focus, we bypass WebKit.
 908   // Here, text.empty() has a special meaning. It means to commit the last
 909   // update of composition text (see
 910   // RenderWidgetHost::ImeConfirmComposition()).
 911   const base::string16& last_text = text.empty() ? pepper_composition_text_
 912                                                  : text;
 913
 914   // last_text is empty only when both text and pepper_composition_text_ is.
 915   // Ignore it.
 916   if (last_text.empty())
 917     return;
 918
 919   if (!IsPepperAcceptingCompositionEvents()) {
 920     base::i18n::UTF16CharIterator iterator(&last_text);
 921     int32 i = 0;
 922     while (iterator.Advance()) {
 923       blink::WebKeyboardEvent char_event;
 924       char_event.type = blink::WebInputEvent::Char;
 925       char_event.timeStampSeconds = base::Time::Now().ToDoubleT();
 926       char_event.modifiers = 0;
 927       char_event.windowsKeyCode = last_text[i];
 928       char_event.nativeKeyCode = last_text[i];
 929
 930       const int32 char_start = i;
 931       for (; i < iterator.array_pos(); ++i) {
 932         char_event.text[i - char_start] = last_text[i];
 933         char_event.unmodifiedText[i - char_start] = last_text[i];
 934       }
 935
 936       if (GetRenderWidget()->webwidget())
 937         GetRenderWidget()->webwidget()->handleInputEvent(char_event);
 938     }
 939   } else {
 940     // Mimics the order of events sent by WebKit.
 941     // See WebCore::Editor::setComposition() for the corresponding code.
 942     render_view_->focused_pepper_plugin()->HandleCompositionEnd(last_text);
 943     render_view_->focused_pepper_plugin()->HandleTextInput(last_text);
 944   }
 945   pepper_composition_text_.clear();
 946 }
 947 #endif  // defined(ENABLE_PLUGINS)
 948
 949 MediaStreamDispatcher* RenderFrameImpl::GetMediaStreamDispatcher() {
 950   if (!web_user_media_client_)
 951     InitializeUserMediaClient();
 952   return web_user_media_client_ ?
 953       web_user_media_client_->media_stream_dispatcher() : NULL;
 954 }
 955
 956 bool RenderFrameImpl::Send(IPC::Message* message) {
 957   if (is_detaching_) {
 958     delete message;
 959     return false;
 960   }
 961   if (is_swapped_out_) {
 962     if (!SwappedOutMessages::CanSendWhileSwappedOut(message)) {
 963       delete message;
 964       return false;
 965     }
 966   }
 967
 968   return RenderThread::Get()->Send(message);
 969 }
 970
 971 #if defined(OS_MACOSX) || defined(OS_ANDROID)
 972 void RenderFrameImpl::DidHideExternalPopupMenu() {
 973   // We need to clear external_popup_menu_ as soon as ExternalPopupMenu::close
 974   // is called. Otherwise, createExternalPopupMenu() for new popup will fail.
 975   external_popup_menu_.reset();
 976 }
 977 #endif
 978
 979 bool RenderFrameImpl::OnMessageReceived(const IPC::Message& msg) {
 980   // We may get here while detaching, when the WebFrame has been deleted.  Do
 981   // not process any messages in this state.
 982   if (!frame_)
 983     return false;
 984
 985   // TODO(kenrb): document() should not be null, but as a transitional step
 986   // we have RenderFrameProxy 'wrapping' a RenderFrameImpl, passing messages
 987   // to this method. This happens for a top-level remote frame, where a
 988   // document-less RenderFrame is replaced by a RenderFrameProxy but kept
 989   // around and is still able to receive messages.
 990   if (!frame_->document().isNull())
 991     GetContentClient()->SetActiveURL(frame_->document().url());
 992
 993   ObserverListBase<RenderFrameObserver>::Iterator it(&observers_);
 994   RenderFrameObserver* observer;
 995   while ((observer = it.GetNext()) != NULL) {
 996     if (observer->OnMessageReceived(msg))
 997       return true;
 998   }
 999
1000   bool handled = true;
1001   IPC_BEGIN_MESSAGE_MAP(RenderFrameImpl, msg)
1002     IPC_MESSAGE_HANDLER(FrameMsg_Navigate, OnNavigate)
1003     IPC_MESSAGE_HANDLER(FrameMsg_BeforeUnload, OnBeforeUnload)
1004     IPC_MESSAGE_HANDLER(FrameMsg_SwapOut, OnSwapOut)
1005     IPC_MESSAGE_HANDLER(FrameMsg_Stop, OnStop)
1006     IPC_MESSAGE_HANDLER(FrameMsg_ContextMenuClosed, OnContextMenuClosed)
1007     IPC_MESSAGE_HANDLER(FrameMsg_CustomContextMenuAction,
1008                         OnCustomContextMenuAction)
1009     IPC_MESSAGE_HANDLER(InputMsg_Undo, OnUndo)
1010     IPC_MESSAGE_HANDLER(InputMsg_Redo, OnRedo)
1011     IPC_MESSAGE_HANDLER(InputMsg_Cut, OnCut)
1012     IPC_MESSAGE_HANDLER(InputMsg_Copy, OnCopy)
1013     IPC_MESSAGE_HANDLER(InputMsg_Paste, OnPaste)
1014     IPC_MESSAGE_HANDLER(InputMsg_PasteAndMatchStyle, OnPasteAndMatchStyle)
1015     IPC_MESSAGE_HANDLER(InputMsg_Delete, OnDelete)
1016     IPC_MESSAGE_HANDLER(InputMsg_SelectAll, OnSelectAll)
1017     IPC_MESSAGE_HANDLER(InputMsg_SelectRange, OnSelectRange)
1018     IPC_MESSAGE_HANDLER(InputMsg_Unselect, OnUnselect)
1019     IPC_MESSAGE_HANDLER(InputMsg_MoveRangeSelectionExtent,
1020                         OnMoveRangeSelectionExtent)
1021     IPC_MESSAGE_HANDLER(InputMsg_Replace, OnReplace)
1022     IPC_MESSAGE_HANDLER(InputMsg_ReplaceMisspelling, OnReplaceMisspelling)
1023     IPC_MESSAGE_HANDLER(InputMsg_ExtendSelectionAndDelete,
1024                         OnExtendSelectionAndDelete)
1025     IPC_MESSAGE_HANDLER(InputMsg_SetCompositionFromExistingText,
1026                         OnSetCompositionFromExistingText)
1027     IPC_MESSAGE_HANDLER(InputMsg_ExecuteNoValueEditCommand,
1028                         OnExecuteNoValueEditCommand)
1029     IPC_MESSAGE_HANDLER(FrameMsg_CSSInsertRequest, OnCSSInsertRequest)
1030     IPC_MESSAGE_HANDLER(FrameMsg_JavaScriptExecuteRequest,
1031                         OnJavaScriptExecuteRequest)
1032     IPC_MESSAGE_HANDLER(FrameMsg_JavaScriptExecuteRequestForTests,
1033                         OnJavaScriptExecuteRequestForTests)
1034     IPC_MESSAGE_HANDLER(FrameMsg_VisualStateRequest,
1035                         OnVisualStateRequest)
1036     IPC_MESSAGE_HANDLER(FrameMsg_SetEditableSelectionOffsets,
1037                         OnSetEditableSelectionOffsets)
1038     IPC_MESSAGE_HANDLER(FrameMsg_SetupTransitionView, OnSetupTransitionView)
1039     IPC_MESSAGE_HANDLER(FrameMsg_BeginExitTransition, OnBeginExitTransition)
1040     IPC_MESSAGE_HANDLER(FrameMsg_RevertExitTransition, OnRevertExitTransition)
1041     IPC_MESSAGE_HANDLER(FrameMsg_HideTransitionElements,
1042                         OnHideTransitionElements)
1043     IPC_MESSAGE_HANDLER(FrameMsg_ShowTransitionElements,
1044                         OnShowTransitionElements)
1045     IPC_MESSAGE_HANDLER(FrameMsg_Reload, OnReload)
1046     IPC_MESSAGE_HANDLER(FrameMsg_TextSurroundingSelectionRequest,
1047                         OnTextSurroundingSelectionRequest)
1048     IPC_MESSAGE_HANDLER(FrameMsg_AddStyleSheetByURL,
1049                         OnAddStyleSheetByURL)
1050     IPC_MESSAGE_HANDLER(FrameMsg_SetAccessibilityMode,
1051                         OnSetAccessibilityMode)
1052     IPC_MESSAGE_HANDLER(AccessibilityMsg_SnapshotTree,
1053                         OnSnapshotAccessibilityTree)
1054     IPC_MESSAGE_HANDLER(FrameMsg_DisownOpener, OnDisownOpener)
1055     IPC_MESSAGE_HANDLER(FrameMsg_CommitNavigation, OnCommitNavigation)
1056     IPC_MESSAGE_HANDLER(FrameMsg_DidUpdateSandboxFlags, OnDidUpdateSandboxFlags)
1057     IPC_MESSAGE_HANDLER(FrameMsg_SetTextTrackSettings,
1058                         OnTextTrackSettingsChanged)
1059     IPC_MESSAGE_HANDLER(FrameMsg_PostMessageEvent, OnPostMessageEvent)
1060     IPC_MESSAGE_HANDLER(FrameMsg_FailedNavigation, OnFailedNavigation)
1061 #if defined(OS_ANDROID)
1062     IPC_MESSAGE_HANDLER(FrameMsg_SelectPopupMenuItems, OnSelectPopupMenuItems)
1063 #elif defined(OS_MACOSX)
1064     IPC_MESSAGE_HANDLER(FrameMsg_SelectPopupMenuItem, OnSelectPopupMenuItem)
1065     IPC_MESSAGE_HANDLER(InputMsg_CopyToFindPboard, OnCopyToFindPboard)
1066 #endif
1067   IPC_END_MESSAGE_MAP()
1068
1069   return handled;
1070 }
1071
1072 void RenderFrameImpl::OnNavigate(
1073     const CommonNavigationParams& common_params,
1074     const StartNavigationParams& start_params,
1075     const RequestNavigationParams& request_params) {
1076   DCHECK(!base::CommandLine::ForCurrentProcess()->HasSwitch(
1077       switches::kEnableBrowserSideNavigation));
1078   TRACE_EVENT2("navigation", "RenderFrameImpl::OnNavigate", "id", routing_id_,
1079                "url", common_params.url.possibly_invalid_spec());
1080
1081   bool is_reload = IsReload(common_params.navigation_type);
1082   bool is_history_navigation = request_params.page_state.IsValid();
1083   WebURLRequest::CachePolicy cache_policy =
1084       WebURLRequest::UseProtocolCachePolicy;
1085   if (!RenderFrameImpl::PrepareRenderViewForNavigation(
1086           common_params.url, is_history_navigation, request_params, &is_reload,
1087           &cache_policy)) {
1088     Send(new FrameHostMsg_DidDropNavigation(routing_id_));
1089     return;
1090   }
1091
1092   GetContentClient()->SetActiveURL(common_params.url);
1093
1094   WebFrame* frame = frame_;
1095   if (!request_params.frame_to_navigate.empty()) {
1096     // TODO(nasko): Move this lookup to the browser process.
1097     frame = render_view_->webview()->findFrameByName(
1098         WebString::fromUTF8(request_params.frame_to_navigate));
1099     CHECK(frame) << "Invalid frame name passed: "
1100                  << request_params.frame_to_navigate;
1101   }
1102
1103   if (is_reload && !render_view_->history_controller()->GetCurrentEntry()) {
1104     // We cannot reload if we do not have any history state.  This happens, for
1105     // example, when recovering from a crash.
1106     is_reload = false;
1107     cache_policy = WebURLRequest::ReloadIgnoringCacheData;
1108   }
1109
1110   pending_navigation_params_.reset(
1111       new NavigationParams(common_params, start_params, request_params));
1112
1113   // If we are reloading, then WebKit will use the history state of the current
1114   // page, so we should just ignore any given history state.  Otherwise, if we
1115   // have history state, then we need to navigate to it, which corresponds to a
1116   // back/forward navigation event.
1117   if (is_reload) {
1118     bool reload_original_url =
1119         (common_params.navigation_type ==
1120          FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL);
1121     bool ignore_cache = (common_params.navigation_type ==
1122                          FrameMsg_Navigate_Type::RELOAD_IGNORING_CACHE);
1123
1124     if (reload_original_url)
1125       frame->reloadWithOverrideURL(common_params.url, true);
1126     else
1127       frame->reload(ignore_cache);
1128   } else if (is_history_navigation) {
1129     // We must know the page ID of the page we are navigating back to.
1130     DCHECK_NE(request_params.page_id, -1);
1131     scoped_ptr<HistoryEntry> entry =
1132         PageStateToHistoryEntry(request_params.page_state);
1133     if (entry) {
1134       // Ensure we didn't save the swapped out URL in UpdateState, since the
1135       // browser should never be telling us to navigate to swappedout://.
1136       CHECK(entry->root().urlString() != WebString::fromUTF8(kSwappedOutURL));
1137       scoped_ptr<NavigationParams> navigation_params(
1138           new NavigationParams(*pending_navigation_params_.get()));
1139       render_view_->history_controller()->GoToEntry(
1140           entry.Pass(), navigation_params.Pass(), cache_policy);
1141     }
1142   } else if (!common_params.base_url_for_data_url.is_empty()) {
1143     LoadDataURL(common_params, frame);
1144   } else {
1145     // Navigate to the given URL.
1146     WebURLRequest request = CreateURLRequestForNavigation(
1147         common_params, scoped_ptr<StreamOverrideParameters>(),
1148         frame->isViewSourceModeEnabled());
1149
1150     if (!start_params.extra_headers.empty()) {
1151       for (net::HttpUtil::HeadersIterator i(start_params.extra_headers.begin(),
1152                                             start_params.extra_headers.end(),
1153                                             "\n");
1154            i.GetNext();) {
1155         request.addHTTPHeaderField(WebString::fromUTF8(i.name()),
1156                                    WebString::fromUTF8(i.values()));
1157       }
1158     }
1159
1160     if (start_params.is_post) {
1161       request.setHTTPMethod(WebString::fromUTF8("POST"));
1162
1163       // Set post data.
1164       WebHTTPBody http_body;
1165       http_body.initialize();
1166       const char* data = NULL;
1167       if (start_params.browser_initiated_post_data.size()) {
1168         data = reinterpret_cast<const char*>(
1169             &start_params.browser_initiated_post_data.front());
1170       }
1171       http_body.appendData(
1172           WebData(data, start_params.browser_initiated_post_data.size()));
1173       request.setHTTPBody(http_body);
1174     }
1175
1176     // A session history navigation should have been accompanied by state.
1177     CHECK_EQ(request_params.page_id, -1);
1178
1179     // Record this before starting the load, we need a lower bound of this time
1180     // to sanitize the navigationStart override set below.
1181     base::TimeTicks renderer_navigation_start = base::TimeTicks::Now();
1182     frame->loadRequest(request);
1183
1184     UpdateFrameNavigationTiming(frame, request_params.browser_navigation_start,
1185                                 renderer_navigation_start);
1186   }
1187
1188   // In case LoadRequest failed before didCreateDataSource was called.
1189   pending_navigation_params_.reset();
1190 }
1191
1192 void RenderFrameImpl::NavigateToSwappedOutURL() {
1193   // We use loadRequest instead of loadHTMLString because the former commits
1194   // synchronously.  Otherwise a new navigation can interrupt the navigation
1195   // to kSwappedOutURL. If that happens to be to the page we had been
1196   // showing, then WebKit will never send a commit and we'll be left spinning.
1197   // Set the is_swapped_out_ bit to true, so IPC filtering is in effect and
1198   // the navigation to swappedout:// is not announced to the browser side.
1199   is_swapped_out_ = true;
1200   GURL swappedOutURL(kSwappedOutURL);
1201   WebURLRequest request(swappedOutURL);
1202   frame_->loadRequest(request);
1203 }
1204
1205 void RenderFrameImpl::BindServiceRegistry(
1206     mojo::InterfaceRequest<mojo::ServiceProvider> services,
1207     mojo::ServiceProviderPtr exposed_services) {
1208   service_registry_.Bind(services.Pass());
1209   service_registry_.BindRemoteServiceProvider(exposed_services.Pass());
1210 }
1211
1212 ManifestManager* RenderFrameImpl::manifest_manager() {
1213   return manifest_manager_;
1214 }
1215
1216 void RenderFrameImpl::SetPendingNavigationParams(
1217     scoped_ptr<NavigationParams> navigation_params) {
1218   pending_navigation_params_ = navigation_params.Pass();
1219 }
1220
1221 void RenderFrameImpl::OnBeforeUnload() {
1222   TRACE_EVENT1("navigation", "RenderFrameImpl::OnBeforeUnload",
1223                "id", routing_id_);
1224   // TODO(creis): Right now, this is only called on the main frame.  Make the
1225   // browser process send dispatchBeforeUnloadEvent to every frame that needs
1226   // it.
1227   CHECK(!frame_->parent());
1228
1229   base::TimeTicks before_unload_start_time = base::TimeTicks::Now();
1230   bool proceed = frame_->dispatchBeforeUnloadEvent();
1231   base::TimeTicks before_unload_end_time = base::TimeTicks::Now();
1232   Send(new FrameHostMsg_BeforeUnload_ACK(routing_id_, proceed,
1233                                          before_unload_start_time,
1234                                          before_unload_end_time));
1235 }
1236
1237 void RenderFrameImpl::OnSwapOut(
1238     int proxy_routing_id,
1239     bool is_loading,
1240     const FrameReplicationState& replicated_frame_state) {
1241   TRACE_EVENT1("navigation", "RenderFrameImpl::OnSwapOut", "id", routing_id_);
1242   RenderFrameProxy* proxy = NULL;
1243   bool is_site_per_process = base::CommandLine::ForCurrentProcess()->HasSwitch(
1244       switches::kSitePerProcess);
1245   bool is_main_frame = !frame_->parent();
1246
1247   // Only run unload if we're not swapped out yet, but send the ack either way.
1248   if (!is_swapped_out_) {
1249     // Swap this RenderFrame out so the frame can navigate to a page rendered by
1250     // a different process.  This involves running the unload handler and
1251     // clearing the page.  We also allow this process to exit if there are no
1252     // other active RenderFrames in it.
1253
1254     // Send an UpdateState message before we get swapped out.
1255     render_view_->SyncNavigationState();
1256
1257     // If we need a proxy to replace this, create it now so its routing id is
1258     // registered for receiving IPC messages.
1259     if (proxy_routing_id != MSG_ROUTING_NONE) {
1260       proxy = RenderFrameProxy::CreateProxyToReplaceFrame(this,
1261                                                           proxy_routing_id);
1262     }
1263
1264     // Synchronously run the unload handler before sending the ACK.
1265     // TODO(creis): Call dispatchUnloadEvent unconditionally here to support
1266     // unload on subframes as well.
1267     if (is_main_frame)
1268       frame_->dispatchUnloadEvent();
1269
1270     // Swap out and stop sending any IPC messages that are not ACKs.
1271     if (is_main_frame)
1272       render_view_->SetSwappedOut(true);
1273     is_swapped_out_ = true;
1274
1275     // Set the proxy here, since OnStop() below could cause an onload event
1276     // handler to execute, which could trigger code such as
1277     // willCheckAndDispatchMessageEvent() that needs the proxy.
1278     if (proxy)
1279       set_render_frame_proxy(proxy);
1280
1281     // Now that we're swapped out and filtering IPC messages, stop loading to
1282     // ensure that no other in-progress navigation continues.  We do this here
1283     // to avoid sending a DidStopLoading message to the browser process.
1284     // TODO(creis): Should we be stopping all frames here and using
1285     // StopAltErrorPageFetcher with RenderView::OnStop, or just stopping this
1286     // frame?
1287     OnStop();
1288
1289     // Transfer settings such as initial drawing parameters to the remote frame,
1290     // if one is created, that will replace this frame.
1291     if (!is_main_frame && proxy)
1292       proxy->web_frame()->initializeFromFrame(frame_);
1293
1294     // Replace the page with a blank dummy URL. The unload handler will not be
1295     // run a second time, thanks to a check in FrameLoader::stopLoading.
1296     // TODO(creis): Need to add a better way to do this that avoids running the
1297     // beforeunload handler. For now, we just run it a second time silently.
1298     if (!is_site_per_process || is_main_frame)
1299       NavigateToSwappedOutURL();
1300
1301     // Let WebKit know that this view is hidden so it can drop resources and
1302     // stop compositing.
1303     // TODO(creis): Support this for subframes as well.
1304     if (is_main_frame) {
1305       render_view_->webview()->setVisibilityState(
1306           blink::WebPageVisibilityStateHidden, false);
1307     }
1308   }
1309
1310   // It is now safe to show modal dialogs again.
1311   // TODO(creis): Deal with modal dialogs from subframes.
1312   if (is_main_frame)
1313     render_view_->suppress_dialogs_until_swap_out_ = false;
1314
1315   Send(new FrameHostMsg_SwapOut_ACK(routing_id_));
1316
1317   // Now that all of the cleanup is complete and the browser side is notified,
1318   // start using the RenderFrameProxy, if one is created.
1319   if (proxy) {
1320     if (!is_main_frame) {
1321       frame_->swap(proxy->web_frame());
1322
1323       if (is_loading)
1324         proxy->OnDidStartLoading();
1325
1326       if (is_site_per_process) {
1327         // TODO(nasko): delete the frame here, since we've replaced it with a
1328         // proxy.
1329       }
1330     }
1331   }
1332
1333   // In --site-per-process, initialize the WebRemoteFrame with the replication
1334   // state passed by the process that is now rendering the frame.
1335   // TODO(alexmos): We cannot yet do this for swapped-out main frames, because
1336   // in that case we leave the LocalFrame as the main frame visible to Blink
1337   // and don't call swap() above. Because swap() is what creates a RemoteFrame
1338   // in proxy->web_frame(), the RemoteFrame will not exist for main frames.
1339   // When we do an unconditional swap for all frames, we can remove
1340   // !is_main_frame below.
1341   if (is_site_per_process && proxy && !is_main_frame)
1342     proxy->SetReplicatedState(replicated_frame_state);
1343
1344   // Safe to exit if no one else is using the process.
1345   if (is_main_frame)
1346     render_view_->WasSwappedOut();
1347 }
1348
1349 void RenderFrameImpl::OnContextMenuClosed(
1350     const CustomContextMenuContext& custom_context) {
1351   if (custom_context.request_id) {
1352     // External request, should be in our map.
1353     ContextMenuClient* client =
1354         pending_context_menus_.Lookup(custom_context.request_id);
1355     if (client) {
1356       client->OnMenuClosed(custom_context.request_id);
1357       pending_context_menus_.Remove(custom_context.request_id);
1358     }
1359   } else {
1360     if (custom_context.link_followed.is_valid()) {
1361         frame_->sendPings(
1362             DomUtils::ExtractParentAnchorNode(context_menu_node_),
1363             custom_context.link_followed);
1364     }
1365     // Internal request, forward to WebKit.
1366     context_menu_node_.reset();
1367   }
1368 }
1369
1370 void RenderFrameImpl::OnCustomContextMenuAction(
1371     const CustomContextMenuContext& custom_context,
1372     unsigned action) {
1373   if (custom_context.request_id) {
1374     // External context menu request, look in our map.
1375     ContextMenuClient* client =
1376         pending_context_menus_.Lookup(custom_context.request_id);
1377     if (client)
1378       client->OnMenuAction(custom_context.request_id, action);
1379   } else {
1380     // Internal request, forward to WebKit.
1381     render_view_->webview()->performCustomContextMenuAction(action);
1382   }
1383 }
1384
1385 void RenderFrameImpl::OnUndo() {
1386   frame_->executeCommand(WebString::fromUTF8("Undo"), GetFocusedElement());
1387 }
1388
1389 void RenderFrameImpl::OnRedo() {
1390   frame_->executeCommand(WebString::fromUTF8("Redo"), GetFocusedElement());
1391 }
1392
1393 void RenderFrameImpl::OnCut() {
1394   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1395   frame_->executeCommand(WebString::fromUTF8("Cut"), GetFocusedElement());
1396 }
1397
1398 void RenderFrameImpl::OnCopy() {
1399   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1400   WebNode current_node = context_menu_node_.isNull() ?
1401       GetFocusedElement() : context_menu_node_;
1402   frame_->executeCommand(WebString::fromUTF8("Copy"), current_node);
1403 }
1404
1405 void RenderFrameImpl::OnPaste() {
1406   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1407   frame_->executeCommand(WebString::fromUTF8("Paste"), GetFocusedElement());
1408 }
1409
1410 void RenderFrameImpl::OnPasteAndMatchStyle() {
1411   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1412   frame_->executeCommand(
1413       WebString::fromUTF8("PasteAndMatchStyle"), GetFocusedElement());
1414 }
1415
1416 #if defined(OS_MACOSX)
1417 void RenderFrameImpl::OnCopyToFindPboard() {
1418   // Since the find pasteboard supports only plain text, this can be simpler
1419   // than the |OnCopy()| case.
1420   if (frame_->hasSelection()) {
1421     base::string16 selection = frame_->selectionAsText();
1422     RenderThread::Get()->Send(
1423         new ClipboardHostMsg_FindPboardWriteStringAsync(selection));
1424   }
1425 }
1426 #endif
1427
1428 void RenderFrameImpl::OnDelete() {
1429   frame_->executeCommand(WebString::fromUTF8("Delete"), GetFocusedElement());
1430 }
1431
1432 void RenderFrameImpl::OnSelectAll() {
1433   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1434   frame_->executeCommand(WebString::fromUTF8("SelectAll"), GetFocusedElement());
1435 }
1436
1437 void RenderFrameImpl::OnSelectRange(const gfx::Point& base,
1438                                     const gfx::Point& extent) {
1439   // This IPC is dispatched by RenderWidgetHost, so use its routing id.
1440   Send(new InputHostMsg_SelectRange_ACK(GetRenderWidget()->routing_id()));
1441
1442   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1443   frame_->selectRange(base, extent);
1444 }
1445
1446 void RenderFrameImpl::OnUnselect() {
1447   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1448   frame_->executeCommand(WebString::fromUTF8("Unselect"), GetFocusedElement());
1449 }
1450
1451 void RenderFrameImpl::OnMoveRangeSelectionExtent(const gfx::Point& point) {
1452   // This IPC is dispatched by RenderWidgetHost, so use its routing id.
1453   Send(new InputHostMsg_MoveRangeSelectionExtent_ACK(
1454       GetRenderWidget()->routing_id()));
1455
1456   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1457   frame_->moveRangeSelectionExtent(point);
1458 }
1459
1460 void RenderFrameImpl::OnReplace(const base::string16& text) {
1461   if (!frame_->hasSelection())
1462     frame_->selectWordAroundCaret();
1463
1464   frame_->replaceSelection(text);
1465 }
1466
1467 void RenderFrameImpl::OnReplaceMisspelling(const base::string16& text) {
1468   if (!frame_->hasSelection())
1469     return;
1470
1471   frame_->replaceMisspelledRange(text);
1472 }
1473
1474 void RenderFrameImpl::OnCSSInsertRequest(const std::string& css) {
1475   frame_->document().insertStyleSheet(WebString::fromUTF8(css));
1476 }
1477
1478 void RenderFrameImpl::OnJavaScriptExecuteRequest(
1479     const base::string16& jscript,
1480     int id,
1481     bool notify_result) {
1482   TRACE_EVENT_INSTANT0("test_tracing", "OnJavaScriptExecuteRequest",
1483                        TRACE_EVENT_SCOPE_THREAD);
1484
1485   v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
1486   v8::Handle<v8::Value> result =
1487       frame_->executeScriptAndReturnValue(WebScriptSource(jscript));
1488
1489   HandleJavascriptExecutionResult(jscript, id, notify_result, result);
1490 }
1491
1492 void RenderFrameImpl::OnJavaScriptExecuteRequestForTests(
1493     const base::string16& jscript,
1494     int id,
1495     bool notify_result) {
1496   TRACE_EVENT_INSTANT0("test_tracing", "OnJavaScriptExecuteRequestForTests",
1497                        TRACE_EVENT_SCOPE_THREAD);
1498
1499   // A bunch of tests expect to run code in the context of a user gesture, which
1500   // can grant additional privileges (e.g. the ability to create popups).
1501   blink::WebScopedUserGesture gesture;
1502   v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
1503   v8::Handle<v8::Value> result =
1504       frame_->executeScriptAndReturnValue(WebScriptSource(jscript));
1505
1506   HandleJavascriptExecutionResult(jscript, id, notify_result, result);
1507 }
1508
1509 void RenderFrameImpl::HandleJavascriptExecutionResult(
1510     const base::string16& jscript,
1511     int id,
1512     bool notify_result,
1513     v8::Handle<v8::Value> result) {
1514   if (notify_result) {
1515     base::ListValue list;
1516     if (!result.IsEmpty()) {
1517       v8::Local<v8::Context> context = frame_->mainWorldScriptContext();
1518       v8::Context::Scope context_scope(context);
1519       V8ValueConverterImpl converter;
1520       converter.SetDateAllowed(true);
1521       converter.SetRegExpAllowed(true);
1522       base::Value* result_value = converter.FromV8Value(result, context);
1523       list.Set(0, result_value ? result_value : base::Value::CreateNullValue());
1524     } else {
1525       list.Set(0, base::Value::CreateNullValue());
1526     }
1527     Send(new FrameHostMsg_JavaScriptExecuteResponse(routing_id_, id, list));
1528   }
1529 }
1530
1531 void RenderFrameImpl::OnVisualStateRequest(uint64 id) {
1532   GetRenderWidget()->QueueMessage(
1533       new FrameHostMsg_VisualStateResponse(routing_id_, id),
1534       MESSAGE_DELIVERY_POLICY_WITH_VISUAL_STATE);
1535 }
1536
1537 void RenderFrameImpl::OnSetEditableSelectionOffsets(int start, int end) {
1538   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1539   if (!GetRenderWidget()->ShouldHandleImeEvent())
1540     return;
1541   ImeEventGuard guard(GetRenderWidget());
1542   frame_->setEditableSelectionOffsets(start, end);
1543 }
1544
1545 void RenderFrameImpl::OnSetCompositionFromExistingText(
1546     int start, int end,
1547     const std::vector<blink::WebCompositionUnderline>& underlines) {
1548   if (!GetRenderWidget()->ShouldHandleImeEvent())
1549     return;
1550   ImeEventGuard guard(GetRenderWidget());
1551   frame_->setCompositionFromExistingText(start, end, underlines);
1552 }
1553
1554 void RenderFrameImpl::OnExecuteNoValueEditCommand(const std::string& name) {
1555   frame_->executeCommand(WebString::fromUTF8(name), GetFocusedElement());
1556 }
1557
1558 void RenderFrameImpl::OnExtendSelectionAndDelete(int before, int after) {
1559   if (!GetRenderWidget()->ShouldHandleImeEvent())
1560     return;
1561   ImeEventGuard guard(GetRenderWidget());
1562   frame_->extendSelectionAndDelete(before, after);
1563 }
1564
1565 void RenderFrameImpl::OnSetAccessibilityMode(AccessibilityMode new_mode) {
1566   if (accessibility_mode_ == new_mode)
1567     return;
1568   accessibility_mode_ = new_mode;
1569   if (renderer_accessibility_) {
1570     // Note: this isn't called automatically by the destructor because
1571     // there'd be no point in calling it in frame teardown, only if there's
1572     // an accessibility mode change but the frame is persisting.
1573     renderer_accessibility_->DisableAccessibility();
1574
1575     delete renderer_accessibility_;
1576     renderer_accessibility_ = NULL;
1577   }
1578   if (accessibility_mode_ == AccessibilityModeOff)
1579     return;
1580
1581   if (accessibility_mode_ & AccessibilityModeFlagFullTree)
1582     renderer_accessibility_ = new RendererAccessibility(this);
1583 }
1584
1585 void RenderFrameImpl::OnSnapshotAccessibilityTree(int callback_id) {
1586   ui::AXTreeUpdate response;
1587   RendererAccessibility::SnapshotAccessibilityTree(this, &response);
1588   Send(new AccessibilityHostMsg_SnapshotResponse(
1589       routing_id_, callback_id, response));
1590 }
1591
1592 void RenderFrameImpl::OnDisownOpener() {
1593   // TODO(creis): We should only see this for main frames for now.  To support
1594   // disowning the opener on subframes, we will need to move WebContentsImpl's
1595   // opener_ to FrameTreeNode.
1596   CHECK(!frame_->parent());
1597
1598   if (frame_->opener())
1599     frame_->setOpener(NULL);
1600 }
1601
1602 void RenderFrameImpl::OnDidUpdateSandboxFlags(SandboxFlags flags) {
1603   frame_->setFrameOwnerSandboxFlags(ContentToWebSandboxFlags(flags));
1604 }
1605
1606 void RenderFrameImpl::OnTextTrackSettingsChanged(
1607     const FrameMsg_TextTrackSettings_Params& params) {
1608   DCHECK(!frame_->parent());
1609   if (!render_view_->webview())
1610     return;
1611   render_view_->webview()->settings()->setTextTrackBackgroundColor(
1612       WebString::fromUTF8(params.text_track_background_color));
1613   render_view_->webview()->settings()->setTextTrackFontFamily(
1614       WebString::fromUTF8(params.text_track_font_family));
1615   render_view_->webview()->settings()->setTextTrackFontStyle(
1616       WebString::fromUTF8(params.text_track_font_style));
1617   render_view_->webview()->settings()->setTextTrackFontVariant(
1618       WebString::fromUTF8(params.text_track_font_variant));
1619   render_view_->webview()->settings()->setTextTrackTextColor(
1620       WebString::fromUTF8(params.text_track_text_color));
1621   render_view_->webview()->settings()->setTextTrackTextShadow(
1622       WebString::fromUTF8(params.text_track_text_shadow));
1623   render_view_->webview()->settings()->setTextTrackTextSize(
1624       WebString::fromUTF8(params.text_track_text_size));
1625 }
1626
1627 void RenderFrameImpl::OnPostMessageEvent(
1628     const FrameMsg_PostMessage_Params& params) {
1629   // Find the source frame if it exists.
1630   WebFrame* source_frame = NULL;
1631   if (params.source_view_routing_id != MSG_ROUTING_NONE) {
1632     // Support a legacy postMessage path for specifying a source RenderView;
1633     // this is currently used when sending messages to Android WebView.
1634     // TODO(alexmos): This path can be removed once crbug.com/473258 is fixed.
1635     RenderViewImpl* source_view =
1636         RenderViewImpl::FromRoutingID(params.source_view_routing_id);
1637     if (source_view)
1638       source_frame = source_view->webview()->mainFrame();
1639   } else if (params.source_routing_id != MSG_ROUTING_NONE) {
1640     RenderFrameProxy* source_proxy =
1641         RenderFrameProxy::FromRoutingID(params.source_routing_id);
1642     if (source_proxy) {
1643       // Currently, navigating a top-level frame cross-process does not swap
1644       // the WebLocalFrame for a WebRemoteFrame in the frame tree, and the
1645       // WebRemoteFrame will not have an associated blink::Frame. If this is
1646       // the case for |source_proxy|, use the corresponding (swapped-out)
1647       // WebLocalFrame instead, so that event.source for this message can be
1648       // set and used properly.
1649       if (source_proxy->IsMainFrameDetachedFromTree())
1650         source_frame = source_proxy->render_view()->webview()->mainFrame();
1651       else
1652         source_frame = source_proxy->web_frame();
1653     }
1654   }
1655
1656   // If the message contained MessagePorts, create the corresponding endpoints.
1657   blink::WebMessagePortChannelArray channels =
1658       WebMessagePortChannelImpl::CreatePorts(
1659           params.message_ports, params.new_routing_ids,
1660           base::MessageLoopProxy::current().get());
1661
1662   WebSerializedScriptValue serialized_script_value;
1663   if (params.is_data_raw_string) {
1664     v8::HandleScope handle_scope(blink::mainThreadIsolate());
1665     v8::Local<v8::Context> context = frame_->mainWorldScriptContext();
1666     v8::Context::Scope context_scope(context);
1667     V8ValueConverterImpl converter;
1668     converter.SetDateAllowed(true);
1669     converter.SetRegExpAllowed(true);
1670     scoped_ptr<base::Value> value(new base::StringValue(params.data));
1671     v8::Handle<v8::Value> result_value = converter.ToV8Value(value.get(),
1672                                                              context);
1673     serialized_script_value = WebSerializedScriptValue::serialize(result_value);
1674   } else {
1675     serialized_script_value = WebSerializedScriptValue::fromString(params.data);
1676   }
1677
1678   // Create an event with the message.  The next-to-last parameter to
1679   // initMessageEvent is the last event ID, which is not used with postMessage.
1680   WebDOMEvent event = frame_->document().createEvent("MessageEvent");
1681   WebDOMMessageEvent msg_event = event.to<WebDOMMessageEvent>();
1682   msg_event.initMessageEvent("message",
1683                              // |canBubble| and |cancellable| are always false
1684                              false, false,
1685                              serialized_script_value,
1686                              params.source_origin, source_frame, "", channels);
1687
1688   // We must pass in the target_origin to do the security check on this side,
1689   // since it may have changed since the original postMessage call was made.
1690   WebSecurityOrigin target_origin;
1691   if (!params.target_origin.empty()) {
1692     target_origin =
1693         WebSecurityOrigin::createFromString(WebString(params.target_origin));
1694   }
1695   frame_->dispatchMessageEventWithOriginCheck(target_origin, msg_event);
1696 }
1697
1698 #if defined(OS_ANDROID)
1699 void RenderFrameImpl::OnSelectPopupMenuItems(
1700     bool canceled,
1701     const std::vector<int>& selected_indices) {
1702   // It is possible to receive more than one of these calls if the user presses
1703   // a select faster than it takes for the show-select-popup IPC message to make
1704   // it to the browser UI thread. Ignore the extra-messages.
1705   // TODO(jcivelli): http:/b/5793321 Implement a better fix, as detailed in bug.
1706   if (!external_popup_menu_)
1707     return;
1708
1709   external_popup_menu_->DidSelectItems(canceled, selected_indices);
1710   external_popup_menu_.reset();
1711 }
1712 #endif
1713
1714 #if defined(OS_MACOSX)
1715 void RenderFrameImpl::OnSelectPopupMenuItem(int selected_index) {
1716   if (external_popup_menu_ == NULL)
1717     return;
1718   external_popup_menu_->DidSelectItem(selected_index);
1719   external_popup_menu_.reset();
1720 }
1721 #endif
1722
1723 void RenderFrameImpl::OnReload(bool ignore_cache) {
1724   frame_->reload(ignore_cache);
1725 }
1726
1727 void RenderFrameImpl::OnTextSurroundingSelectionRequest(size_t max_length) {
1728   blink::WebSurroundingText surroundingText;
1729   surroundingText.initialize(frame_->selectionRange(), max_length);
1730
1731   if (surroundingText.isNull()) {
1732     // |surroundingText| might not be correctly initialized, for example if
1733     // |frame_->selectionRange().isNull()|, in other words, if there was no
1734     // selection.
1735     Send(new FrameHostMsg_TextSurroundingSelectionResponse(
1736         routing_id_, base::string16(), 0, 0));
1737     return;
1738   }
1739
1740   Send(new FrameHostMsg_TextSurroundingSelectionResponse(
1741       routing_id_,
1742       surroundingText.textContent(),
1743       surroundingText.startOffsetInTextContent(),
1744       surroundingText.endOffsetInTextContent()));
1745 }
1746
1747 void RenderFrameImpl::OnAddStyleSheetByURL(const std::string& url) {
1748   frame_->addStyleSheetByURL(WebString::fromUTF8(url));
1749 }
1750
1751 void RenderFrameImpl::OnSetupTransitionView(const std::string& markup) {
1752   frame_->document().setIsTransitionDocument(true);
1753   frame_->navigateToSandboxedMarkup(WebData(markup.data(), markup.length()));
1754 }
1755
1756 void RenderFrameImpl::OnBeginExitTransition(const std::string& css_selector,
1757                                             bool exit_to_native_app) {
1758   frame_->document().setIsTransitionDocument(true);
1759   frame_->document().beginExitTransition(WebString::fromUTF8(css_selector),
1760                                          exit_to_native_app);
1761 }
1762
1763 void RenderFrameImpl::OnRevertExitTransition() {
1764   frame_->document().setIsTransitionDocument(false);
1765   frame_->document().revertExitTransition();
1766 }
1767
1768 void RenderFrameImpl::OnHideTransitionElements(
1769     const std::string& css_selector) {
1770   frame_->document().hideTransitionElements(WebString::fromUTF8(css_selector));
1771 }
1772
1773 void RenderFrameImpl::OnShowTransitionElements(
1774     const std::string& css_selector) {
1775   frame_->document().showTransitionElements(WebString::fromUTF8(css_selector));
1776 }
1777
1778 bool RenderFrameImpl::RunJavaScriptMessage(JavaScriptMessageType type,
1779                                            const base::string16& message,
1780                                            const base::string16& default_value,
1781                                            const GURL& frame_url,
1782                                            base::string16* result) {
1783   // Don't allow further dialogs if we are waiting to swap out, since the
1784   // PageGroupLoadDeferrer in our stack prevents it.
1785   if (render_view()->suppress_dialogs_until_swap_out_)
1786     return false;
1787
1788   bool success = false;
1789   base::string16 result_temp;
1790   if (!result)
1791     result = &result_temp;
1792
1793   render_view()->SendAndRunNestedMessageLoop(
1794       new FrameHostMsg_RunJavaScriptMessage(
1795         routing_id_, message, default_value, frame_url, type, &success,
1796         result));
1797   return success;
1798 }
1799
1800 void RenderFrameImpl::LoadNavigationErrorPage(
1801     const WebURLRequest& failed_request,
1802     const WebURLError& error,
1803     bool replace) {
1804   std::string error_html;
1805   GetContentClient()->renderer()->GetNavigationErrorStrings(
1806       render_view(), frame_, failed_request, error, &error_html, NULL);
1807
1808   frame_->loadHTMLString(error_html,
1809                          GURL(kUnreachableWebDataURL),
1810                          error.unreachableURL,
1811                          replace);
1812 }
1813
1814 void RenderFrameImpl::DidCommitCompositorFrame() {
1815   if (BrowserPluginManager::Get())
1816     BrowserPluginManager::Get()->DidCommitCompositorFrame(GetRoutingID());
1817   FOR_EACH_OBSERVER(
1818       RenderFrameObserver, observers_, DidCommitCompositorFrame());
1819 }
1820
1821 RenderView* RenderFrameImpl::GetRenderView() {
1822   return render_view_.get();
1823 }
1824
1825 int RenderFrameImpl::GetRoutingID() {
1826   return routing_id_;
1827 }
1828
1829 blink::WebLocalFrame* RenderFrameImpl::GetWebFrame() {
1830   DCHECK(frame_);
1831   return frame_;
1832 }
1833
1834 WebElement RenderFrameImpl::GetFocusedElement() const {
1835   WebDocument doc = frame_->document();
1836   if (!doc.isNull())
1837     return doc.focusedElement();
1838
1839   return WebElement();
1840 }
1841
1842 WebPreferences& RenderFrameImpl::GetWebkitPreferences() {
1843   return render_view_->GetWebkitPreferences();
1844 }
1845
1846 int RenderFrameImpl::ShowContextMenu(ContextMenuClient* client,
1847                                      const ContextMenuParams& params) {
1848   DCHECK(client);  // A null client means "internal" when we issue callbacks.
1849   ContextMenuParams our_params(params);
1850   our_params.custom_context.request_id = pending_context_menus_.Add(client);
1851   Send(new FrameHostMsg_ContextMenu(routing_id_, our_params));
1852   return our_params.custom_context.request_id;
1853 }
1854
1855 void RenderFrameImpl::CancelContextMenu(int request_id) {
1856   DCHECK(pending_context_menus_.Lookup(request_id));
1857   pending_context_menus_.Remove(request_id);
1858 }
1859
1860 blink::WebNode RenderFrameImpl::GetContextMenuNode() const {
1861   return context_menu_node_;
1862 }
1863
1864 blink::WebPlugin* RenderFrameImpl::CreatePlugin(
1865     blink::WebFrame* frame,
1866     const WebPluginInfo& info,
1867     const blink::WebPluginParams& params,
1868     scoped_ptr<content::PluginInstanceThrottler> throttler) {
1869   DCHECK_EQ(frame_, frame);
1870 #if defined(ENABLE_PLUGINS)
1871   if (info.type == WebPluginInfo::PLUGIN_TYPE_BROWSER_PLUGIN) {
1872     scoped_ptr<BrowserPluginDelegate> browser_plugin_delegate(
1873         GetContentClient()->renderer()->CreateBrowserPluginDelegate(
1874             this, params.mimeType.utf8(), GURL(params.url)));
1875     return BrowserPluginManager::Get()->CreateBrowserPlugin(
1876         this, browser_plugin_delegate.Pass());
1877   }
1878
1879   bool pepper_plugin_was_registered = false;
1880   scoped_refptr<PluginModule> pepper_module(PluginModule::Create(
1881       this, info, &pepper_plugin_was_registered));
1882   if (pepper_plugin_was_registered) {
1883     if (pepper_module.get()) {
1884       return new PepperWebPluginImpl(
1885           pepper_module.get(), params, this,
1886           make_scoped_ptr(
1887               static_cast<PluginInstanceThrottlerImpl*>(throttler.release())));
1888     }
1889   }
1890 #if defined(OS_CHROMEOS)
1891   LOG(WARNING) << "Pepper module/plugin creation failed.";
1892   return NULL;
1893 #else
1894   // TODO(jam): change to take RenderFrame.
1895   return new WebPluginImpl(frame, params, info.path, render_view_, this);
1896 #endif
1897 #else
1898   return NULL;
1899 #endif
1900 }
1901
1902 void RenderFrameImpl::LoadURLExternally(blink::WebLocalFrame* frame,
1903                                         const blink::WebURLRequest& request,
1904                                         blink::WebNavigationPolicy policy) {
1905   DCHECK(!frame_ || frame_ == frame);
1906   loadURLExternally(frame, request, policy, WebString());
1907 }
1908
1909 void RenderFrameImpl::ExecuteJavaScript(const base::string16& javascript) {
1910   OnJavaScriptExecuteRequest(javascript, 0, false);
1911 }
1912
1913 ServiceRegistry* RenderFrameImpl::GetServiceRegistry() {
1914   return &service_registry_;
1915 }
1916
1917 #if defined(ENABLE_PLUGINS)
1918 void RenderFrameImpl::RegisterPeripheralPlugin(
1919     const GURL& content_origin,
1920     const base::Closure& unthrottle_callback) {
1921   return plugin_power_saver_helper_->RegisterPeripheralPlugin(
1922       content_origin, unthrottle_callback);
1923 }
1924 #endif  // defined(ENABLE_PLUGINS)
1925
1926 bool RenderFrameImpl::IsFTPDirectoryListing() {
1927   WebURLResponseExtraDataImpl* extra_data =
1928       GetExtraDataFromResponse(frame_->dataSource()->response());
1929   return extra_data ? extra_data->is_ftp_directory_listing() : false;
1930 }
1931
1932 void RenderFrameImpl::AttachGuest(int element_instance_id) {
1933   BrowserPluginManager::Get()->Attach(element_instance_id);
1934 }
1935
1936 void RenderFrameImpl::DetachGuest(int element_instance_id) {
1937   BrowserPluginManager::Get()->Detach(element_instance_id);
1938 }
1939
1940 void RenderFrameImpl::SetSelectedText(const base::string16& selection_text,
1941                                       size_t offset,
1942                                       const gfx::Range& range) {
1943   // Use the routing id of Render Widget Host.
1944   Send(new ViewHostMsg_SelectionChanged(GetRenderWidget()->routing_id(),
1945                                         selection_text,
1946                                         offset,
1947                                         range));
1948 }
1949
1950 void RenderFrameImpl::EnsureMojoBuiltinsAreAvailable(
1951     v8::Isolate* isolate,
1952     v8::Local<v8::Context> context) {
1953   gin::ModuleRegistry* registry = gin::ModuleRegistry::From(context);
1954   if (registry->available_modules().count(mojo::js::Core::kModuleName))
1955     return;
1956
1957   v8::HandleScope handle_scope(isolate);
1958   registry->AddBuiltinModule(
1959       isolate, mojo::js::Core::kModuleName, mojo::js::Core::GetModule(isolate));
1960   registry->AddBuiltinModule(isolate,
1961                              mojo::js::Support::kModuleName,
1962                              mojo::js::Support::GetModule(isolate));
1963   registry->AddBuiltinModule(
1964       isolate,
1965       ServiceRegistryJsWrapper::kModuleName,
1966       ServiceRegistryJsWrapper::Create(isolate, &service_registry_).ToV8());
1967 }
1968
1969 // blink::WebFrameClient implementation ----------------------------------------
1970
1971 blink::WebPluginPlaceholder* RenderFrameImpl::createPluginPlaceholder(
1972     blink::WebLocalFrame* frame,
1973     const blink::WebPluginParams& params) {
1974   DCHECK_EQ(frame_, frame);
1975   return GetContentClient()
1976       ->renderer()
1977       ->CreatePluginPlaceholder(this, frame, params)
1978       .release();
1979 }
1980
1981 blink::WebPlugin* RenderFrameImpl::createPlugin(
1982     blink::WebLocalFrame* frame,
1983     const blink::WebPluginParams& params) {
1984   DCHECK_EQ(frame_, frame);
1985   blink::WebPlugin* plugin = NULL;
1986   if (GetContentClient()->renderer()->OverrideCreatePlugin(
1987           this, frame, params, &plugin)) {
1988     return plugin;
1989   }
1990
1991   if (base::UTF16ToUTF8(params.mimeType) == kBrowserPluginMimeType) {
1992     scoped_ptr<BrowserPluginDelegate> browser_plugin_delegate(
1993         GetContentClient()->renderer()->CreateBrowserPluginDelegate(this,
1994             kBrowserPluginMimeType, GURL(params.url)));
1995     return BrowserPluginManager::Get()->CreateBrowserPlugin(
1996         this, browser_plugin_delegate.Pass());
1997   }
1998
1999 #if defined(ENABLE_PLUGINS)
2000   WebPluginInfo info;
2001   std::string mime_type;
2002   bool found = false;
2003   Send(new FrameHostMsg_GetPluginInfo(
2004       routing_id_, params.url, frame->top()->document().url(),
2005       params.mimeType.utf8(), &found, &info, &mime_type));
2006   if (!found)
2007     return NULL;
2008
2009   WebPluginParams params_to_use = params;
2010   params_to_use.mimeType = WebString::fromUTF8(mime_type);
2011   return CreatePlugin(frame, info, params_to_use, nullptr /* throttler */);
2012 #else
2013   return NULL;
2014 #endif  // defined(ENABLE_PLUGINS)
2015 }
2016
2017 blink::WebMediaPlayer* RenderFrameImpl::createMediaPlayer(
2018     blink::WebLocalFrame* frame,
2019     const blink::WebURL& url,
2020     blink::WebMediaPlayerClient* client) {
2021   return createMediaPlayer(frame, url, client, nullptr);
2022 }
2023
2024 blink::WebMediaPlayer* RenderFrameImpl::createMediaPlayer(
2025     blink::WebLocalFrame* frame,
2026     const blink::WebURL& url,
2027     blink::WebMediaPlayerClient* client,
2028     blink::WebContentDecryptionModule* initial_cdm) {
2029 #if defined(VIDEO_HOLE)
2030   if (!contains_media_player_) {
2031     render_view_->RegisterVideoHoleFrame(this);
2032     contains_media_player_ = true;
2033   }
2034 #endif  // defined(VIDEO_HOLE)
2035
2036   blink::WebMediaStream web_stream(
2037       blink::WebMediaStreamRegistry::lookupMediaStreamDescriptor(url));
2038   if (!web_stream.isNull())
2039     return CreateWebMediaPlayerForMediaStream(url, client);
2040
2041 #if defined(OS_ANDROID)
2042   return CreateAndroidWebMediaPlayer(url, client, GetMediaPermission(),
2043                                      initial_cdm);
2044 #else
2045   scoped_refptr<media::MediaLog> media_log(new RenderMediaLog());
2046
2047   RenderThreadImpl* render_thread = RenderThreadImpl::current();
2048   media::WebMediaPlayerParams params(
2049       base::Bind(&ContentRendererClient::DeferMediaLoad,
2050                  base::Unretained(GetContentClient()->renderer()),
2051                  static_cast<RenderFrame*>(this)),
2052       render_thread->GetAudioRendererMixerManager()->CreateInput(routing_id_),
2053       media_log, render_thread->GetMediaThreadTaskRunner(),
2054       render_thread->compositor_message_loop_proxy(),
2055       base::Bind(&GetSharedMainThreadContext3D), GetMediaPermission(),
2056       initial_cdm);
2057
2058 #if defined(ENABLE_MEDIA_MOJO_RENDERER)
2059   scoped_ptr<media::RendererFactory> media_renderer_factory(
2060       new media::MojoRendererFactory(make_scoped_ptr(
2061           new MediaRendererServiceProvider(GetServiceRegistry()))));
2062 #else
2063   scoped_ptr<media::RendererFactory> media_renderer_factory =
2064       GetContentClient()->renderer()->CreateMediaRendererFactory(this,
2065                                                                  media_log);
2066
2067   if (!media_renderer_factory.get()) {
2068     media_renderer_factory.reset(new media::DefaultRendererFactory(
2069         media_log, render_thread->GetGpuFactories(),
2070         *render_thread->GetAudioHardwareConfig()));
2071   }
2072 #endif  // defined(ENABLE_MEDIA_MOJO_RENDERER)
2073
2074   return new media::WebMediaPlayerImpl(
2075       frame, client, weak_factory_.GetWeakPtr(), media_renderer_factory.Pass(),
2076       GetCdmFactory(), params);
2077 #endif  // defined(OS_ANDROID)
2078 }
2079
2080 blink::WebApplicationCacheHost* RenderFrameImpl::createApplicationCacheHost(
2081     blink::WebLocalFrame* frame,
2082     blink::WebApplicationCacheHostClient* client) {
2083   if (!frame || !frame->view())
2084     return NULL;
2085   DCHECK(!frame_ || frame_ == frame);
2086   return new RendererWebApplicationCacheHostImpl(
2087       RenderViewImpl::FromWebView(frame->view()), client,
2088       RenderThreadImpl::current()->appcache_dispatcher()->backend_proxy());
2089 }
2090
2091 blink::WebWorkerContentSettingsClientProxy*
2092 RenderFrameImpl::createWorkerContentSettingsClientProxy(
2093     blink::WebLocalFrame* frame) {
2094   if (!frame || !frame->view())
2095     return NULL;
2096   DCHECK(!frame_ || frame_ == frame);
2097   return GetContentClient()->renderer()->CreateWorkerContentSettingsClientProxy(
2098       this, frame);
2099 }
2100
2101 WebExternalPopupMenu* RenderFrameImpl::createExternalPopupMenu(
2102     const WebPopupMenuInfo& popup_menu_info,
2103     WebExternalPopupMenuClient* popup_menu_client) {
2104 #if defined(OS_MACOSX) || defined(OS_ANDROID)
2105   // An IPC message is sent to the browser to build and display the actual
2106   // popup. The user could have time to click a different select by the time
2107   // the popup is shown. In that case external_popup_menu_ is non NULL.
2108   // By returning NULL in that case, we instruct Blink to cancel that new
2109   // popup. So from the user perspective, only the first one will show, and
2110   // will have to close the first one before another one can be shown.
2111   if (external_popup_menu_)
2112     return NULL;
2113   external_popup_menu_.reset(
2114       new ExternalPopupMenu(this, popup_menu_info, popup_menu_client));
2115   if (render_view_->screen_metrics_emulator_) {
2116     render_view_->SetExternalPopupOriginAdjustmentsForEmulation(
2117         external_popup_menu_.get(),
2118         render_view_->screen_metrics_emulator_.get());
2119   }
2120   return external_popup_menu_.get();
2121 #else
2122   return NULL;
2123 #endif
2124 }
2125
2126 blink::WebCookieJar* RenderFrameImpl::cookieJar(blink::WebLocalFrame* frame) {
2127   DCHECK(!frame_ || frame_ == frame);
2128   return &cookie_jar_;
2129 }
2130
2131 blink::WebServiceWorkerProvider* RenderFrameImpl::createServiceWorkerProvider(
2132     blink::WebLocalFrame* frame) {
2133   DCHECK(!frame_ || frame_ == frame);
2134   // At this point we should have non-null data source.
2135   DCHECK(frame->dataSource());
2136   if (!ChildThreadImpl::current())
2137     return NULL;  // May be null in some tests.
2138   ServiceWorkerNetworkProvider* provider =
2139       ServiceWorkerNetworkProvider::FromDocumentState(
2140           DocumentState::FromDataSource(frame->dataSource()));
2141   return new WebServiceWorkerProviderImpl(
2142       ChildThreadImpl::current()->thread_safe_sender(),
2143       provider ? provider->context() : NULL);
2144 }
2145
2146 void RenderFrameImpl::didAccessInitialDocument(blink::WebLocalFrame* frame) {
2147   DCHECK(!frame_ || frame_ == frame);
2148   // If the request hasn't yet committed, notify the browser process that it is
2149   // no longer safe to show the pending URL of the main frame, since a URL spoof
2150   // is now possible. (If the request has committed, the browser already knows.)
2151   if (!frame->parent()) {
2152     DocumentState* document_state =
2153         DocumentState::FromDataSource(frame->dataSource());
2154     NavigationStateImpl* navigation_state =
2155         static_cast<NavigationStateImpl*>(document_state->navigation_state());
2156
2157     if (!navigation_state->request_committed()) {
2158       Send(new FrameHostMsg_DidAccessInitialDocument(routing_id_));
2159     }
2160   }
2161 }
2162
2163 blink::WebFrame* RenderFrameImpl::createChildFrame(
2164     blink::WebLocalFrame* parent,
2165     const blink::WebString& name,
2166     blink::WebSandboxFlags sandbox_flags) {
2167   // Synchronously notify the browser of a child frame creation to get the
2168   // routing_id for the RenderFrame.
2169   int child_routing_id = MSG_ROUTING_NONE;
2170   Send(new FrameHostMsg_CreateChildFrame(
2171       routing_id_, base::UTF16ToUTF8(name),
2172       WebToContentSandboxFlags(sandbox_flags), &child_routing_id));
2173
2174   // Allocation of routing id failed, so we can't create a child frame. This can
2175   // happen if this RenderFrameImpl's IPCs are being filtered when in swapped
2176   // out state or synchronous IPC message above has failed.
2177   if (child_routing_id == MSG_ROUTING_NONE) {
2178     NOTREACHED() << "Failed to allocate routing id for child frame.";
2179     return nullptr;
2180   }
2181
2182   // Create the RenderFrame and WebLocalFrame, linking the two.
2183   RenderFrameImpl* child_render_frame = RenderFrameImpl::Create(
2184       render_view_.get(), child_routing_id);
2185   blink::WebLocalFrame* web_frame = WebLocalFrame::create(child_render_frame);
2186   child_render_frame->SetWebFrame(web_frame);
2187
2188   // Add the frame to the frame tree and initialize it.
2189   parent->appendChild(web_frame);
2190   child_render_frame->Initialize();
2191
2192   return web_frame;
2193 }
2194
2195 void RenderFrameImpl::didDisownOpener(blink::WebLocalFrame* frame) {
2196   DCHECK(!frame_ || frame_ == frame);
2197   // We only need to notify the browser if the active, top-level frame clears
2198   // its opener.  We can ignore cases where a swapped out frame clears its
2199   // opener after hearing about it from the browser, and the browser does not
2200   // (yet) care about subframe openers.
2201   if (is_swapped_out_ || frame->parent())
2202     return;
2203
2204   // Notify WebContents and all its swapped out RenderViews.
2205   Send(new FrameHostMsg_DidDisownOpener(routing_id_));
2206 }
2207
2208 void RenderFrameImpl::frameDetached(blink::WebFrame* frame) {
2209   // NOTE: This function is called on the frame that is being detached and not
2210   // the parent frame.  This is different from createChildFrame() which is
2211   // called on the parent frame.
2212   CHECK(!is_detaching_);
2213   DCHECK(!frame_ || frame_ == frame);
2214
2215   bool is_subframe = !!frame->parent();
2216
2217   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, FrameDetached());
2218   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2219                     FrameDetached(frame));
2220
2221   Send(new FrameHostMsg_Detach(routing_id_));
2222
2223   // The |is_detaching_| flag disables Send(). FrameHostMsg_Detach must be
2224   // sent before setting |is_detaching_| to true.
2225   is_detaching_ = true;
2226
2227   // We need to clean up subframes by removing them from the map and deleting
2228   // the RenderFrameImpl.  In contrast, the main frame is owned by its
2229   // containing RenderViewHost (so that they have the same lifetime), so only
2230   // removal from the map is needed and no deletion.
2231   FrameMap::iterator it = g_frame_map.Get().find(frame);
2232   CHECK(it != g_frame_map.Get().end());
2233   CHECK_EQ(it->second, this);
2234   g_frame_map.Get().erase(it);
2235
2236   if (is_subframe)
2237     frame->parent()->removeChild(frame);
2238
2239   // |frame| is invalid after here.  Be sure to clear frame_ as well, since this
2240   // object may not be deleted immediately and other methods may try to access
2241   // it.
2242   frame->close();
2243   frame_ = nullptr;
2244
2245   if (is_subframe) {
2246     delete this;
2247     // Object is invalid after this point.
2248   }
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   bool is_site_per_process = base::CommandLine::ForCurrentProcess()->HasSwitch(
2276       switches::kSitePerProcess);
2277   if (is_site_per_process ||
2278       render_view_->renderer_preferences_.report_frame_name_changes) {
2279     Send(new FrameHostMsg_DidChangeName(routing_id_, base::UTF16ToUTF8(name)));
2280   }
2281 }
2282
2283 void RenderFrameImpl::didChangeSandboxFlags(blink::WebFrame* child_frame,
2284                                             blink::WebSandboxFlags flags) {
2285   int frame_routing_id = MSG_ROUTING_NONE;
2286   if (child_frame->isWebRemoteFrame()) {
2287     frame_routing_id =
2288         RenderFrameProxy::FromWebFrame(child_frame)->routing_id();
2289   } else {
2290     frame_routing_id =
2291         RenderFrameImpl::FromWebFrame(child_frame)->GetRoutingID();
2292   }
2293
2294   Send(new FrameHostMsg_DidChangeSandboxFlags(routing_id_, frame_routing_id,
2295                                               WebToContentSandboxFlags(flags)));
2296 }
2297
2298 void RenderFrameImpl::didMatchCSS(
2299     blink::WebLocalFrame* frame,
2300     const blink::WebVector<blink::WebString>& newly_matching_selectors,
2301     const blink::WebVector<blink::WebString>& stopped_matching_selectors) {
2302   DCHECK(!frame_ || frame_ == frame);
2303
2304   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2305                     DidMatchCSS(frame,
2306                                 newly_matching_selectors,
2307                                 stopped_matching_selectors));
2308 }
2309
2310 bool RenderFrameImpl::shouldReportDetailedMessageForSource(
2311     const blink::WebString& source) {
2312   return GetContentClient()->renderer()->ShouldReportDetailedMessageForSource(
2313       source);
2314 }
2315
2316 void RenderFrameImpl::didAddMessageToConsole(
2317     const blink::WebConsoleMessage& message,
2318     const blink::WebString& source_name,
2319     unsigned source_line,
2320     const blink::WebString& stack_trace) {
2321   logging::LogSeverity log_severity = logging::LOG_VERBOSE;
2322   switch (message.level) {
2323     case blink::WebConsoleMessage::LevelDebug:
2324       log_severity = logging::LOG_VERBOSE;
2325       break;
2326     case blink::WebConsoleMessage::LevelLog:
2327     case blink::WebConsoleMessage::LevelInfo:
2328       log_severity = logging::LOG_INFO;
2329       break;
2330     case blink::WebConsoleMessage::LevelWarning:
2331       log_severity = logging::LOG_WARNING;
2332       break;
2333     case blink::WebConsoleMessage::LevelError:
2334       log_severity = logging::LOG_ERROR;
2335       break;
2336     default:
2337       log_severity = logging::LOG_VERBOSE;
2338   }
2339
2340   if (shouldReportDetailedMessageForSource(source_name)) {
2341     FOR_EACH_OBSERVER(
2342         RenderFrameObserver, observers_,
2343         DetailedConsoleMessageAdded(message.text,
2344                                     source_name,
2345                                     stack_trace,
2346                                     source_line,
2347                                     static_cast<int32>(log_severity)));
2348   }
2349
2350   Send(new FrameHostMsg_AddMessageToConsole(routing_id_,
2351                                             static_cast<int32>(log_severity),
2352                                             message.text,
2353                                             static_cast<int32>(source_line),
2354                                             source_name));
2355 }
2356
2357 void RenderFrameImpl::loadURLExternally(
2358     blink::WebLocalFrame* frame,
2359     const blink::WebURLRequest& request,
2360     blink::WebNavigationPolicy policy,
2361     const blink::WebString& suggested_name) {
2362   DCHECK(!frame_ || frame_ == frame);
2363   Referrer referrer(RenderViewImpl::GetReferrerFromRequest(frame, request));
2364   if (policy == blink::WebNavigationPolicyDownload) {
2365     render_view_->Send(new ViewHostMsg_DownloadUrl(render_view_->GetRoutingID(),
2366                                                    request.url(), referrer,
2367                                                    suggested_name));
2368   } else {
2369     OpenURL(frame, request.url(), referrer, policy);
2370   }
2371 }
2372
2373 blink::WebNavigationPolicy RenderFrameImpl::decidePolicyForNavigation(
2374     const NavigationPolicyInfo& info) {
2375   DCHECK(!frame_ || frame_ == info.frame);
2376   return DecidePolicyForNavigation(this, info);
2377 }
2378
2379 blink::WebHistoryItem RenderFrameImpl::historyItemForNewChildFrame(
2380     blink::WebFrame* frame) {
2381   DCHECK(!frame_ || frame_ == frame);
2382   return render_view_->history_controller()->GetItemForNewChildFrame(this);
2383 }
2384
2385 void RenderFrameImpl::willSendSubmitEvent(blink::WebLocalFrame* frame,
2386                                           const blink::WebFormElement& form) {
2387   DCHECK(!frame_ || frame_ == frame);
2388
2389   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, WillSendSubmitEvent(form));
2390 }
2391
2392 void RenderFrameImpl::willSubmitForm(blink::WebLocalFrame* frame,
2393                                      const blink::WebFormElement& form) {
2394   DCHECK(!frame_ || frame_ == frame);
2395   DocumentState* document_state =
2396       DocumentState::FromDataSource(frame->provisionalDataSource());
2397   NavigationStateImpl* navigation_state =
2398       static_cast<NavigationStateImpl*>(document_state->navigation_state());
2399   InternalDocumentStateData* internal_data =
2400       InternalDocumentStateData::FromDocumentState(document_state);
2401
2402   if (ui::PageTransitionCoreTypeIs(navigation_state->GetTransitionType(),
2403                                    ui::PAGE_TRANSITION_LINK)) {
2404     navigation_state->set_transition_type(ui::PAGE_TRANSITION_FORM_SUBMIT);
2405   }
2406
2407   // Save these to be processed when the ensuing navigation is committed.
2408   WebSearchableFormData web_searchable_form_data(form);
2409   internal_data->set_searchable_form_url(web_searchable_form_data.url());
2410   internal_data->set_searchable_form_encoding(
2411       web_searchable_form_data.encoding().utf8());
2412
2413   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, WillSubmitForm(form));
2414 }
2415
2416 void RenderFrameImpl::didCreateDataSource(blink::WebLocalFrame* frame,
2417                                           blink::WebDataSource* datasource) {
2418   DCHECK(!frame_ || frame_ == frame);
2419
2420   bool content_initiated = !pending_navigation_params_.get();
2421
2422   // Make sure any previous redirect URLs end up in our new data source.
2423   if (pending_navigation_params_.get()) {
2424     for (const auto& i :
2425          pending_navigation_params_->request_params.redirects) {
2426       datasource->appendRedirect(i);
2427     }
2428   }
2429
2430   DocumentState* document_state = DocumentState::FromDataSource(datasource);
2431   if (!document_state) {
2432     document_state = new DocumentState;
2433     datasource->setExtraData(document_state);
2434     if (!content_initiated)
2435       PopulateDocumentStateFromPending(document_state);
2436   }
2437
2438   // Carry over the user agent override flag, if it exists.
2439   blink::WebView* webview = render_view_->webview();
2440   if (content_initiated && webview && webview->mainFrame() &&
2441       webview->mainFrame()->isWebLocalFrame() &&
2442       webview->mainFrame()->dataSource()) {
2443     DocumentState* old_document_state =
2444         DocumentState::FromDataSource(webview->mainFrame()->dataSource());
2445     if (old_document_state) {
2446       InternalDocumentStateData* internal_data =
2447           InternalDocumentStateData::FromDocumentState(document_state);
2448       InternalDocumentStateData* old_internal_data =
2449           InternalDocumentStateData::FromDocumentState(old_document_state);
2450       internal_data->set_is_overriding_user_agent(
2451           old_internal_data->is_overriding_user_agent());
2452     }
2453   }
2454
2455   // The rest of RenderView assumes that a WebDataSource will always have a
2456   // non-null NavigationState.
2457   if (content_initiated) {
2458     document_state->set_navigation_state(
2459         NavigationStateImpl::CreateContentInitiated());
2460   } else {
2461     document_state->set_navigation_state(CreateNavigationStateFromPending());
2462     pending_navigation_params_.reset();
2463   }
2464
2465   // DocumentState::referred_by_prefetcher_ is true if we are
2466   // navigating from a page that used prefetching using a link on that
2467   // page.  We are early enough in the request process here that we
2468   // can still see the DocumentState of the previous page and set
2469   // this value appropriately.
2470   // TODO(gavinp): catch the important case of navigation in a new
2471   // renderer process.
2472   if (webview) {
2473     if (WebFrame* old_frame = webview->mainFrame()) {
2474       const WebURLRequest& original_request = datasource->originalRequest();
2475       const GURL referrer(
2476           original_request.httpHeaderField(WebString::fromUTF8("Referer")));
2477       if (!referrer.is_empty() && old_frame->isWebLocalFrame() &&
2478           DocumentState::FromDataSource(old_frame->dataSource())
2479               ->was_prefetcher()) {
2480         for (; old_frame; old_frame = old_frame->traverseNext(false)) {
2481           WebDataSource* old_frame_datasource = old_frame->dataSource();
2482           if (old_frame_datasource &&
2483               referrer == GURL(old_frame_datasource->request().url())) {
2484             document_state->set_was_referred_by_prefetcher(true);
2485             break;
2486           }
2487         }
2488       }
2489     }
2490   }
2491
2492   if (content_initiated) {
2493     const WebURLRequest& request = datasource->request();
2494     switch (request.cachePolicy()) {
2495       case WebURLRequest::UseProtocolCachePolicy:  // normal load.
2496         document_state->set_load_type(DocumentState::LINK_LOAD_NORMAL);
2497         break;
2498       case WebURLRequest::ReloadIgnoringCacheData:  // reload.
2499       case WebURLRequest::ReloadBypassingCache:     // end-to-end reload.
2500         document_state->set_load_type(DocumentState::LINK_LOAD_RELOAD);
2501         break;
2502       case WebURLRequest::ReturnCacheDataElseLoad:  // allow stale data.
2503         document_state->set_load_type(DocumentState::LINK_LOAD_CACHE_STALE_OK);
2504         break;
2505       case WebURLRequest::ReturnCacheDataDontLoad:  // Don't re-post.
2506         document_state->set_load_type(DocumentState::LINK_LOAD_CACHE_ONLY);
2507         break;
2508       default:
2509         NOTREACHED();
2510     }
2511   }
2512
2513   // Create the serviceworker's per-document network observing object if it
2514   // does not exist (When navigation happens within a page, the provider already
2515   // exists).
2516   if (!ServiceWorkerNetworkProvider::FromDocumentState(
2517           DocumentState::FromDataSource(datasource))) {
2518     scoped_ptr<ServiceWorkerNetworkProvider> network_provider(
2519         new ServiceWorkerNetworkProvider(routing_id_,
2520                                          SERVICE_WORKER_PROVIDER_FOR_WINDOW));
2521     ServiceWorkerNetworkProvider::AttachToDocumentState(
2522         DocumentState::FromDataSource(datasource),
2523         network_provider.Pass());
2524   }
2525 }
2526
2527 void RenderFrameImpl::didStartProvisionalLoad(blink::WebLocalFrame* frame,
2528                                               bool is_transition_navigation,
2529                                               double triggering_event_time) {
2530   DCHECK(!frame_ || frame_ == frame);
2531   WebDataSource* ds = frame->provisionalDataSource();
2532
2533   // In fast/loader/stop-provisional-loads.html, we abort the load before this
2534   // callback is invoked.
2535   if (!ds)
2536     return;
2537
2538   TRACE_EVENT2("navigation", "RenderFrameImpl::didStartProvisionalLoad",
2539                "id", routing_id_, "url", ds->request().url().string().utf8());
2540   DocumentState* document_state = DocumentState::FromDataSource(ds);
2541
2542   // We should only navigate to swappedout:// when is_swapped_out_ is true.
2543   CHECK((ds->request().url() != GURL(kSwappedOutURL)) ||
2544         is_swapped_out_) <<
2545         "Heard swappedout:// when not swapped out.";
2546
2547   // Update the request time if WebKit has better knowledge of it.
2548   if (document_state->request_time().is_null() &&
2549           triggering_event_time != 0.0) {
2550     document_state->set_request_time(Time::FromDoubleT(triggering_event_time));
2551   }
2552
2553   // Start time is only set after request time.
2554   document_state->set_start_load_time(Time::Now());
2555
2556   bool is_top_most = !frame->parent();
2557   if (is_top_most) {
2558     render_view_->set_navigation_gesture(
2559         WebUserGestureIndicator::isProcessingUserGesture() ?
2560             NavigationGestureUser : NavigationGestureAuto);
2561   } else if (ds->replacesCurrentHistoryItem()) {
2562     // Subframe navigations that don't add session history items must be
2563     // marked with AUTO_SUBFRAME. See also didFailProvisionalLoad for how we
2564     // handle loading of error pages.
2565     static_cast<NavigationStateImpl*>(document_state->navigation_state())
2566         ->set_transition_type(ui::PAGE_TRANSITION_AUTO_SUBFRAME);
2567   }
2568
2569   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2570                     DidStartProvisionalLoad(frame));
2571   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidStartProvisionalLoad());
2572
2573   Send(new FrameHostMsg_DidStartProvisionalLoadForFrame(
2574        routing_id_, ds->request().url(), is_transition_navigation));
2575 }
2576
2577 void RenderFrameImpl::didReceiveServerRedirectForProvisionalLoad(
2578     blink::WebLocalFrame* frame) {
2579   DCHECK(!frame_ || frame_ == frame);
2580   render_view_->history_controller()->RemoveChildrenForRedirect(this);
2581 }
2582
2583 void RenderFrameImpl::didFailProvisionalLoad(
2584     blink::WebLocalFrame* frame,
2585     const blink::WebURLError& error,
2586     blink::WebHistoryCommitType commit_type) {
2587   TRACE_EVENT1("navigation", "RenderFrameImpl::didFailProvisionalLoad",
2588                "id", routing_id_);
2589   DCHECK(!frame_ || frame_ == frame);
2590   WebDataSource* ds = frame->provisionalDataSource();
2591   DCHECK(ds);
2592
2593   const WebURLRequest& failed_request = ds->request();
2594
2595   // Notify the browser that we failed a provisional load with an error.
2596   //
2597   // Note: It is important this notification occur before DidStopLoading so the
2598   //       SSL manager can react to the provisional load failure before being
2599   //       notified the load stopped.
2600   //
2601   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2602                     DidFailProvisionalLoad(frame, error));
2603   FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
2604                     DidFailProvisionalLoad(error));
2605
2606   SendFailedProvisionalLoad(failed_request, error, frame);
2607
2608   if (!ShouldDisplayErrorPageForFailedLoad(error.reason, error.unreachableURL))
2609     return;
2610
2611   // Make sure we never show errors in view source mode.
2612   frame->enableViewSourceMode(false);
2613
2614   DocumentState* document_state = DocumentState::FromDataSource(ds);
2615   NavigationStateImpl* navigation_state =
2616       static_cast<NavigationStateImpl*>(document_state->navigation_state());
2617
2618   // If this is a failed back/forward/reload navigation, then we need to do a
2619   // 'replace' load.  This is necessary to avoid messing up session history.
2620   // Otherwise, we do a normal load, which simulates a 'go' navigation as far
2621   // as session history is concerned.
2622   bool replace = commit_type != blink::WebStandardCommit;
2623
2624   // If we failed on a browser initiated request, then make sure that our error
2625   // page load is regarded as the same browser initiated request.
2626   if (!navigation_state->IsContentInitiated()) {
2627     pending_navigation_params_.reset(new NavigationParams(
2628         navigation_state->common_params(), navigation_state->start_params(),
2629         navigation_state->request_params()));
2630     pending_navigation_params_->request_params.request_time =
2631         document_state->request_time();
2632   }
2633
2634   // Load an error page.
2635   LoadNavigationErrorPage(failed_request, error, replace);
2636 }
2637
2638 void RenderFrameImpl::didCommitProvisionalLoad(
2639     blink::WebLocalFrame* frame,
2640     const blink::WebHistoryItem& item,
2641     blink::WebHistoryCommitType commit_type) {
2642   TRACE_EVENT2("navigation", "RenderFrameImpl::didCommitProvisionalLoad",
2643                "id", routing_id_,
2644                "url", GetLoadingUrl().possibly_invalid_spec());
2645   DCHECK(!frame_ || frame_ == frame);
2646   DocumentState* document_state =
2647       DocumentState::FromDataSource(frame->dataSource());
2648   NavigationStateImpl* navigation_state =
2649       static_cast<NavigationStateImpl*>(document_state->navigation_state());
2650
2651   if (proxy_routing_id_ != MSG_ROUTING_NONE) {
2652     RenderFrameProxy* proxy =
2653         RenderFrameProxy::FromRoutingID(proxy_routing_id_);
2654     CHECK(proxy);
2655     proxy->web_frame()->swap(frame_);
2656     proxy_routing_id_ = MSG_ROUTING_NONE;
2657   }
2658
2659   // When we perform a new navigation, we need to update the last committed
2660   // session history entry with state for the page we are leaving. Do this
2661   // before updating the HistoryController state.
2662   render_view_->UpdateSessionHistory(frame);
2663
2664   render_view_->history_controller()->UpdateForCommit(
2665       this, item, commit_type, navigation_state->WasWithinSamePage());
2666
2667   InternalDocumentStateData* internal_data =
2668       InternalDocumentStateData::FromDocumentState(document_state);
2669
2670   if (document_state->commit_load_time().is_null())
2671     document_state->set_commit_load_time(Time::Now());
2672
2673   if (internal_data->must_reset_scroll_and_scale_state()) {
2674     render_view_->webview()->resetScrollAndScaleState();
2675     internal_data->set_must_reset_scroll_and_scale_state(false);
2676   }
2677   internal_data->set_use_error_page(false);
2678
2679   bool is_new_navigation = commit_type == blink::WebStandardCommit;
2680   if (is_new_navigation) {
2681     // We bump our Page ID to correspond with the new session history entry.
2682     render_view_->page_id_ = render_view_->next_page_id_++;
2683
2684     // Don't update history list values for kSwappedOutURL, since
2685     // we don't want to forget the entry that was there, and since we will
2686     // never come back to kSwappedOutURL.  Note that we have to call
2687     // UpdateSessionHistory and update page_id_ even in this case, so that
2688     // the current entry gets a state update and so that we don't send a
2689     // state update to the wrong entry when we swap back in.
2690     DCHECK_IMPLIES(
2691         navigation_state->start_params().should_replace_current_entry,
2692         render_view_->history_list_length_ > 0);
2693     if (GetLoadingUrl() != GURL(kSwappedOutURL) &&
2694         !navigation_state->start_params().should_replace_current_entry) {
2695       // Advance our offset in session history, applying the length limit.
2696       // There is now no forward history.
2697       render_view_->history_list_offset_++;
2698       if (render_view_->history_list_offset_ >= kMaxSessionHistoryEntries)
2699         render_view_->history_list_offset_ = kMaxSessionHistoryEntries - 1;
2700       render_view_->history_list_length_ =
2701           render_view_->history_list_offset_ + 1;
2702     }
2703   } else {
2704     // Inspect the navigation_state on this frame to see if the navigation
2705     // corresponds to a session history navigation...  Note: |frame| may or
2706     // may not be the toplevel frame, but for the case of capturing session
2707     // history, the first committed frame suffices.  We keep track of whether
2708     // we've seen this commit before so that only capture session history once
2709     // per navigation.
2710     //
2711     // Note that we need to check if the page ID changed. In the case of a
2712     // reload, the page ID doesn't change, and UpdateSessionHistory gets the
2713     // previous URL and the current page ID, which would be wrong.
2714     if (navigation_state->request_params().page_id != -1 &&
2715         navigation_state->request_params().page_id != render_view_->page_id_) {
2716       // This is a successful session history navigation!
2717       render_view_->page_id_ = navigation_state->request_params().page_id;
2718
2719       render_view_->history_list_offset_ =
2720           navigation_state->request_params().pending_history_list_offset;
2721     }
2722   }
2723
2724   bool sent = Send(
2725       new FrameHostMsg_DidAssignPageId(routing_id_, render_view_->page_id_));
2726   CHECK(sent);  // http://crbug.com/407376
2727
2728   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers_,
2729                     DidCommitProvisionalLoad(frame, is_new_navigation));
2730   FOR_EACH_OBSERVER(
2731       RenderFrameObserver, observers_,
2732       DidCommitProvisionalLoad(is_new_navigation,
2733                                navigation_state->WasWithinSamePage()));
2734
2735   if (!frame->parent()) {  // Only for top frames.
2736     RenderThreadImpl* render_thread_impl = RenderThreadImpl::current();
2737     if (render_thread_impl) {  // Can be NULL in tests.
2738       render_thread_impl->histogram_customizer()->
2739           RenderViewNavigatedToHost(GURL(GetLoadingUrl()).host(),
2740                                     RenderViewImpl::GetRenderViewCount());
2741     }
2742   }
2743
2744   // Remember that we've already processed this request, so we don't update
2745   // the session history again.  We do this regardless of whether this is
2746   // a session history navigation, because if we attempted a session history
2747   // navigation without valid HistoryItem state, WebCore will think it is a
2748   // new navigation.
2749   navigation_state->set_request_committed(true);
2750
2751   SendDidCommitProvisionalLoad(frame, commit_type);
2752
2753   // Check whether we have new encoding name.
2754   UpdateEncoding(frame, frame->view()->pageEncoding().utf8());
2755 }
2756
2757 void RenderFrameImpl::didCreateNewDocument(blink::WebLocalFrame* frame) {
2758   DCHECK(!frame_ || frame_ == frame);
2759
2760   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2761                     DidCreateNewDocument(frame));
2762 }
2763
2764 void RenderFrameImpl::didClearWindowObject(blink::WebLocalFrame* frame) {
2765   DCHECK(!frame_ || frame_ == frame);
2766
2767   int enabled_bindings = render_view_->GetEnabledBindings();
2768
2769   if (enabled_bindings & BINDINGS_POLICY_WEB_UI)
2770     WebUIExtension::Install(frame);
2771
2772   if (enabled_bindings & BINDINGS_POLICY_DOM_AUTOMATION)
2773     DomAutomationController::Install(this, frame);
2774
2775   if (enabled_bindings & BINDINGS_POLICY_STATS_COLLECTION)
2776     StatsCollectionController::Install(frame);
2777
2778   const base::CommandLine& command_line =
2779       *base::CommandLine::ForCurrentProcess();
2780
2781   if (command_line.HasSwitch(cc::switches::kEnableGpuBenchmarking))
2782     GpuBenchmarking::Install(frame);
2783
2784   if (command_line.HasSwitch(switches::kEnableMemoryBenchmarking))
2785     MemoryBenchmarkingExtension::Install(frame);
2786
2787   if (command_line.HasSwitch(switches::kEnableSkiaBenchmarking))
2788     SkiaBenchmarking::Install(frame);
2789
2790   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2791                     DidClearWindowObject(frame));
2792   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidClearWindowObject());
2793 }
2794
2795 void RenderFrameImpl::didCreateDocumentElement(blink::WebLocalFrame* frame) {
2796   DCHECK(!frame_ || frame_ == frame);
2797
2798   // Notify the browser about non-blank documents loading in the top frame.
2799   GURL url = frame->document().url();
2800   if (url.is_valid() && url.spec() != url::kAboutBlankURL) {
2801     // TODO(nasko): Check if webview()->mainFrame() is the same as the
2802     // frame->tree()->top().
2803     blink::WebFrame* main_frame = render_view_->webview()->mainFrame();
2804     if (frame == main_frame) {
2805       // For now, don't remember plugin zoom values.  We don't want to mix them
2806       // with normal web content (i.e. a fixed layout plugin would usually want
2807       // them different).
2808       render_view_->Send(new ViewHostMsg_DocumentAvailableInMainFrame(
2809           render_view_->GetRoutingID(),
2810           main_frame->document().isPluginDocument()));
2811     }
2812   }
2813
2814   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2815                     DidCreateDocumentElement(frame));
2816 }
2817
2818 void RenderFrameImpl::didReceiveTitle(blink::WebLocalFrame* frame,
2819                                       const blink::WebString& title,
2820                                       blink::WebTextDirection direction) {
2821   DCHECK(!frame_ || frame_ == frame);
2822   // Ignore all but top level navigations.
2823   if (!frame->parent()) {
2824     base::string16 title16 = title;
2825     base::trace_event::TraceLog::GetInstance()->UpdateProcessLabel(
2826         routing_id_, base::UTF16ToUTF8(title16));
2827
2828     base::string16 shortened_title = title16.substr(0, kMaxTitleChars);
2829     Send(new FrameHostMsg_UpdateTitle(routing_id_,
2830                                       shortened_title, direction));
2831   }
2832
2833   // Also check whether we have new encoding name.
2834   UpdateEncoding(frame, frame->view()->pageEncoding().utf8());
2835 }
2836
2837 void RenderFrameImpl::didChangeIcon(blink::WebLocalFrame* frame,
2838                                     blink::WebIconURL::Type icon_type) {
2839   DCHECK(!frame_ || frame_ == frame);
2840   // TODO(nasko): Investigate wheather implementation should move here.
2841   render_view_->didChangeIcon(frame, icon_type);
2842 }
2843
2844 void RenderFrameImpl::didFinishDocumentLoad(blink::WebLocalFrame* frame) {
2845   TRACE_EVENT1("navigation", "RenderFrameImpl::didFinishDocumentLoad",
2846                "id", routing_id_);
2847   DCHECK(!frame_ || frame_ == frame);
2848   WebDataSource* ds = frame->dataSource();
2849   DocumentState* document_state = DocumentState::FromDataSource(ds);
2850   document_state->set_finish_document_load_time(Time::Now());
2851
2852   Send(new FrameHostMsg_DidFinishDocumentLoad(routing_id_));
2853
2854   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2855                     DidFinishDocumentLoad(frame));
2856   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidFinishDocumentLoad());
2857
2858   // Check whether we have new encoding name.
2859   UpdateEncoding(frame, frame->view()->pageEncoding().utf8());
2860 }
2861
2862 void RenderFrameImpl::didHandleOnloadEvents(blink::WebLocalFrame* frame) {
2863   DCHECK(!frame_ || frame_ == frame);
2864   if (!frame->parent()) {
2865     FrameMsg_UILoadMetricsReportType::Value report_type =
2866         static_cast<FrameMsg_UILoadMetricsReportType::Value>(
2867             frame->dataSource()->request().inputPerfMetricReportPolicy());
2868     base::TimeTicks ui_timestamp = base::TimeTicks() +
2869         base::TimeDelta::FromSecondsD(
2870             frame->dataSource()->request().uiStartTime());
2871
2872     Send(new FrameHostMsg_DocumentOnLoadCompleted(
2873         routing_id_, report_type, ui_timestamp));
2874   }
2875 }
2876
2877 void RenderFrameImpl::didFailLoad(blink::WebLocalFrame* frame,
2878                                   const blink::WebURLError& error,
2879                                   blink::WebHistoryCommitType commit_type) {
2880   TRACE_EVENT1("navigation", "RenderFrameImpl::didFailLoad",
2881                "id", routing_id_);
2882   DCHECK(!frame_ || frame_ == frame);
2883   // TODO(nasko): Move implementation here. No state needed.
2884   WebDataSource* ds = frame->dataSource();
2885   DCHECK(ds);
2886
2887   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2888                     DidFailLoad(frame, error));
2889
2890   const WebURLRequest& failed_request = ds->request();
2891   base::string16 error_description;
2892   GetContentClient()->renderer()->GetNavigationErrorStrings(
2893       render_view_.get(),
2894       frame,
2895       failed_request,
2896       error,
2897       NULL,
2898       &error_description);
2899   Send(new FrameHostMsg_DidFailLoadWithError(routing_id_,
2900                                              failed_request.url(),
2901                                              error.reason,
2902                                              error_description));
2903 }
2904
2905 void RenderFrameImpl::didFinishLoad(blink::WebLocalFrame* frame) {
2906   TRACE_EVENT1("navigation", "RenderFrameImpl::didFinishLoad",
2907                "id", routing_id_);
2908   DCHECK(!frame_ || frame_ == frame);
2909   WebDataSource* ds = frame->dataSource();
2910   DocumentState* document_state = DocumentState::FromDataSource(ds);
2911   if (document_state->finish_load_time().is_null()) {
2912     if (!frame->parent()) {
2913       TRACE_EVENT_INSTANT0("WebCore", "LoadFinished",
2914                            TRACE_EVENT_SCOPE_PROCESS);
2915     }
2916     document_state->set_finish_load_time(Time::Now());
2917   }
2918
2919   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2920                     DidFinishLoad(frame));
2921   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidFinishLoad());
2922
2923   // Don't send this message while the frame is swapped out.
2924   if (is_swapped_out())
2925     return;
2926
2927   Send(new FrameHostMsg_DidFinishLoad(routing_id_,
2928                                       ds->request().url()));
2929 }
2930
2931 void RenderFrameImpl::didNavigateWithinPage(blink::WebLocalFrame* frame,
2932     const blink::WebHistoryItem& item,
2933     blink::WebHistoryCommitType commit_type) {
2934   TRACE_EVENT1("navigation", "RenderFrameImpl::didNavigateWithinPage",
2935                "id", routing_id_);
2936   DCHECK(!frame_ || frame_ == frame);
2937   // If this was a reference fragment navigation that we initiated, then we
2938   // could end up having a non-null pending navigation params.  We just need to
2939   // update the ExtraData on the datasource so that others who read the
2940   // ExtraData will get the new NavigationState.  Similarly, if we did not
2941   // initiate this navigation, then we need to take care to reset any pre-
2942   // existing navigation state to a content-initiated navigation state.
2943   // didCreateDataSource conveniently takes care of this for us.
2944   didCreateDataSource(frame, frame->dataSource());
2945
2946   DocumentState* document_state =
2947       DocumentState::FromDataSource(frame->dataSource());
2948   static_cast<NavigationStateImpl*>(document_state->navigation_state())
2949       ->set_was_within_same_page(true);
2950
2951   didCommitProvisionalLoad(frame, item, commit_type);
2952 }
2953
2954 void RenderFrameImpl::didUpdateCurrentHistoryItem(blink::WebLocalFrame* frame) {
2955   DCHECK(!frame_ || frame_ == frame);
2956   // TODO(nasko): Move implementation here. Needed methods:
2957   // * StartNavStateSyncTimerIfNecessary
2958   render_view_->didUpdateCurrentHistoryItem(frame);
2959 }
2960
2961 void RenderFrameImpl::addNavigationTransitionData(
2962     const blink::WebTransitionElementData& data) {
2963   FrameHostMsg_AddNavigationTransitionData_Params params;
2964   params.render_frame_id = routing_id_;
2965   params.allowed_destination_host_pattern =
2966       data.scope.utf8();
2967   params.selector = data.selector.utf8();
2968   params.markup = data.markup.utf8();
2969   params.elements.resize(data.elements.size());
2970   for (size_t i = 0; i < data.elements.size(); i++) {
2971     params.elements[i].id = data.elements[i].id.utf8();
2972     params.elements[i].rect = gfx::Rect(data.elements[i].rect);
2973   }
2974
2975   Send(new FrameHostMsg_AddNavigationTransitionData(params));
2976 }
2977
2978 void RenderFrameImpl::didChangeThemeColor() {
2979   if (frame_->parent())
2980     return;
2981
2982   Send(new FrameHostMsg_DidChangeThemeColor(
2983       routing_id_, frame_->document().themeColor()));
2984 }
2985
2986 void RenderFrameImpl::dispatchLoad() {
2987   Send(new FrameHostMsg_DispatchLoad(routing_id_));
2988 }
2989
2990 void RenderFrameImpl::requestNotificationPermission(
2991     const blink::WebSecurityOrigin& origin,
2992     blink::WebNotificationPermissionCallback* callback) {
2993   if (!notification_permission_dispatcher_) {
2994     notification_permission_dispatcher_ =
2995         new NotificationPermissionDispatcher(this);
2996   }
2997
2998   notification_permission_dispatcher_->RequestPermission(origin, callback);
2999 }
3000
3001 void RenderFrameImpl::didChangeSelection(bool is_empty_selection) {
3002   if (!GetRenderWidget()->handling_input_event() && !handling_select_range_)
3003     return;
3004
3005   if (is_empty_selection)
3006     selection_text_.clear();
3007
3008   // UpdateTextInputType should be called before SyncSelectionIfRequired.
3009   // UpdateTextInputType may send TextInputTypeChanged to notify the focus
3010   // was changed, and SyncSelectionIfRequired may send SelectionChanged
3011   // to notify the selection was changed.  Focus change should be notified
3012   // before selection change.
3013   GetRenderWidget()->UpdateTextInputType();
3014   SyncSelectionIfRequired();
3015 #if defined(OS_ANDROID)
3016   GetRenderWidget()->UpdateTextInputState(RenderWidget::NO_SHOW_IME,
3017                                           RenderWidget::FROM_NON_IME);
3018 #endif
3019 }
3020
3021 blink::WebColorChooser* RenderFrameImpl::createColorChooser(
3022     blink::WebColorChooserClient* client,
3023     const blink::WebColor& initial_color,
3024     const blink::WebVector<blink::WebColorSuggestion>& suggestions) {
3025   RendererWebColorChooserImpl* color_chooser =
3026       new RendererWebColorChooserImpl(this, client);
3027   std::vector<ColorSuggestion> color_suggestions;
3028   for (size_t i = 0; i < suggestions.size(); i++) {
3029     color_suggestions.push_back(ColorSuggestion(suggestions[i]));
3030   }
3031   color_chooser->Open(static_cast<SkColor>(initial_color), color_suggestions);
3032   return color_chooser;
3033 }
3034
3035 void RenderFrameImpl::runModalAlertDialog(const blink::WebString& message) {
3036   RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_ALERT,
3037                        message,
3038                        base::string16(),
3039                        frame_->document().url(),
3040                        NULL);
3041 }
3042
3043 bool RenderFrameImpl::runModalConfirmDialog(const blink::WebString& message) {
3044   return RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_CONFIRM,
3045                               message,
3046                               base::string16(),
3047                               frame_->document().url(),
3048                               NULL);
3049 }
3050
3051 bool RenderFrameImpl::runModalPromptDialog(
3052     const blink::WebString& message,
3053     const blink::WebString& default_value,
3054     blink::WebString* actual_value) {
3055   base::string16 result;
3056   bool ok = RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_PROMPT,
3057                                  message,
3058                                  default_value,
3059                                  frame_->document().url(),
3060                                  &result);
3061   if (ok)
3062     actual_value->assign(result);
3063   return ok;
3064 }
3065
3066 bool RenderFrameImpl::runModalBeforeUnloadDialog(
3067     bool is_reload,
3068     const blink::WebString& message) {
3069   // If we are swapping out, we have already run the beforeunload handler.
3070   // TODO(creis): Fix OnSwapOut to clear the frame without running beforeunload
3071   // at all, to avoid running it twice.
3072   if (is_swapped_out_)
3073     return true;
3074
3075   // Don't allow further dialogs if we are waiting to swap out, since the
3076   // PageGroupLoadDeferrer in our stack prevents it.
3077   if (render_view()->suppress_dialogs_until_swap_out_)
3078     return false;
3079
3080   bool success = false;
3081   // This is an ignored return value, but is included so we can accept the same
3082   // response as RunJavaScriptMessage.
3083   base::string16 ignored_result;
3084   render_view()->SendAndRunNestedMessageLoop(
3085       new FrameHostMsg_RunBeforeUnloadConfirm(
3086           routing_id_, frame_->document().url(), message, is_reload,
3087           &success, &ignored_result));
3088   return success;
3089 }
3090
3091 void RenderFrameImpl::showContextMenu(const blink::WebContextMenuData& data) {
3092   ContextMenuParams params = ContextMenuParamsBuilder::Build(data);
3093   params.source_type = GetRenderWidget()->context_menu_source_type();
3094   GetRenderWidget()->OnShowHostContextMenu(&params);
3095   if (GetRenderWidget()->has_host_context_menu_location()) {
3096     params.x = GetRenderWidget()->host_context_menu_location().x();
3097     params.y = GetRenderWidget()->host_context_menu_location().y();
3098   }
3099
3100   // Serializing a GURL longer than kMaxURLChars will fail, so don't do
3101   // it.  We replace it with an empty GURL so the appropriate items are disabled
3102   // in the context menu.
3103   // TODO(jcivelli): http://crbug.com/45160 This prevents us from saving large
3104   //                 data encoded images.  We should have a way to save them.
3105   if (params.src_url.spec().size() > GetMaxURLChars())
3106     params.src_url = GURL();
3107   context_menu_node_ = data.node;
3108
3109 #if defined(OS_ANDROID)
3110   gfx::Rect start_rect;
3111   gfx::Rect end_rect;
3112   GetRenderWidget()->GetSelectionBounds(&start_rect, &end_rect);
3113   params.selection_start = gfx::Point(start_rect.x(), start_rect.bottom());
3114   params.selection_end = gfx::Point(end_rect.right(), end_rect.bottom());
3115 #endif
3116
3117   Send(new FrameHostMsg_ContextMenu(routing_id_, params));
3118 }
3119
3120 void RenderFrameImpl::clearContextMenu() {
3121   context_menu_node_.reset();
3122 }
3123
3124 void RenderFrameImpl::willSendRequest(
3125     blink::WebLocalFrame* frame,
3126     unsigned identifier,
3127     blink::WebURLRequest& request,
3128     const blink::WebURLResponse& redirect_response) {
3129   DCHECK(!frame_ || frame_ == frame);
3130   // The request my be empty during tests.
3131   if (request.url().isEmpty())
3132     return;
3133
3134   // Set the first party for cookies url if it has not been set yet (new
3135   // requests). For redirects, it is updated by WebURLLoaderImpl.
3136   if (request.firstPartyForCookies().isEmpty()) {
3137     if (request.frameType() == blink::WebURLRequest::FrameTypeTopLevel) {
3138       request.setFirstPartyForCookies(request.url());
3139     } else {
3140       // TODO(nasko): When the top-level frame is remote, there is no document.
3141       // This is broken and should be fixed to propagate the first party.
3142       WebFrame* top = frame->top();
3143       if (top->isWebLocalFrame()) {
3144         request.setFirstPartyForCookies(
3145             frame->top()->document().firstPartyForCookies());
3146       }
3147     }
3148   }
3149
3150   WebFrame* top_frame = frame->top();
3151   // TODO(nasko): Hack around asking about top-frame data source. This means
3152   // for out-of-process iframes we are treating the current frame as the
3153   // top-level frame, which is wrong.
3154   if (!top_frame || top_frame->isWebRemoteFrame())
3155     top_frame = frame;
3156   WebDataSource* provisional_data_source = top_frame->provisionalDataSource();
3157   WebDataSource* top_data_source = top_frame->dataSource();
3158   WebDataSource* data_source =
3159       provisional_data_source ? provisional_data_source : top_data_source;
3160
3161   DocumentState* document_state = DocumentState::FromDataSource(data_source);
3162   DCHECK(document_state);
3163   InternalDocumentStateData* internal_data =
3164       InternalDocumentStateData::FromDocumentState(document_state);
3165   NavigationStateImpl* navigation_state =
3166       static_cast<NavigationStateImpl*>(document_state->navigation_state());
3167   ui::PageTransition transition_type = navigation_state->GetTransitionType();
3168   WebDataSource* frame_ds = frame->provisionalDataSource();
3169   if (frame_ds && frame_ds->isClientRedirect()) {
3170     transition_type = ui::PageTransitionFromInt(
3171         transition_type | ui::PAGE_TRANSITION_CLIENT_REDIRECT);
3172   }
3173
3174   GURL request_url(request.url());
3175   GURL new_url;
3176   if (GetContentClient()->renderer()->WillSendRequest(
3177           frame,
3178           transition_type,
3179           request_url,
3180           request.firstPartyForCookies(),
3181           &new_url)) {
3182     request.setURL(WebURL(new_url));
3183   }
3184
3185   if (internal_data->is_cache_policy_override_set())
3186     request.setCachePolicy(internal_data->cache_policy_override());
3187
3188   // The request's extra data may indicate that we should set a custom user
3189   // agent. This needs to be done here, after WebKit is through with setting the
3190   // user agent on its own. Similarly, it may indicate that we should set an
3191   // X-Requested-With header. This must be done here to avoid breaking CORS
3192   // checks.
3193   // PlzNavigate: there may also be a stream url associated with the request.
3194   WebString custom_user_agent;
3195   WebString requested_with;
3196   scoped_ptr<StreamOverrideParameters> stream_override;
3197   if (request.extraData()) {
3198     RequestExtraData* old_extra_data =
3199         static_cast<RequestExtraData*>(request.extraData());
3200
3201     custom_user_agent = old_extra_data->custom_user_agent();
3202     if (!custom_user_agent.isNull()) {
3203       if (custom_user_agent.isEmpty())
3204         request.clearHTTPHeaderField("User-Agent");
3205       else
3206         request.setHTTPHeaderField("User-Agent", custom_user_agent);
3207     }
3208
3209     requested_with = old_extra_data->requested_with();
3210     if (!requested_with.isNull()) {
3211       if (requested_with.isEmpty())
3212         request.clearHTTPHeaderField("X-Requested-With");
3213       else
3214         request.setHTTPHeaderField("X-Requested-With", requested_with);
3215     }
3216     stream_override = old_extra_data->TakeStreamOverrideOwnership();
3217   }
3218
3219   // Add the default accept header for frame request if it has not been set
3220   // already.
3221   if ((request.frameType() == blink::WebURLRequest::FrameTypeTopLevel ||
3222        request.frameType() == blink::WebURLRequest::FrameTypeNested) &&
3223       request.httpHeaderField(WebString::fromUTF8(kAcceptHeader)).isEmpty()) {
3224     request.setHTTPHeaderField(WebString::fromUTF8(kAcceptHeader),
3225                                WebString::fromUTF8(kDefaultAcceptHeader));
3226   }
3227
3228   // Add an empty HTTP origin header for non GET methods if none is currently
3229   // present.
3230   request.addHTTPOriginIfNeeded(WebString());
3231
3232   // Attach |should_replace_current_entry| state to requests so that, should
3233   // this navigation later require a request transfer, all state is preserved
3234   // when it is re-created in the new process.
3235   bool should_replace_current_entry = false;
3236   if (navigation_state->IsContentInitiated()) {
3237     should_replace_current_entry = data_source->replacesCurrentHistoryItem();
3238   } else {
3239     // If the navigation is browser-initiated, the NavigationState contains the
3240     // correct value instead of the WebDataSource.
3241     //
3242     // TODO(davidben): Avoid this awkward duplication of state. See comment on
3243     // NavigationState::should_replace_current_entry().
3244     should_replace_current_entry =
3245         navigation_state->start_params().should_replace_current_entry;
3246   }
3247
3248   int provider_id = kInvalidServiceWorkerProviderId;
3249   if (request.frameType() == blink::WebURLRequest::FrameTypeTopLevel ||
3250       request.frameType() == blink::WebURLRequest::FrameTypeNested) {
3251     // |provisionalDataSource| may be null in some content::ResourceFetcher
3252     // use cases, we don't hook those requests.
3253     if (frame->provisionalDataSource()) {
3254       ServiceWorkerNetworkProvider* provider =
3255           ServiceWorkerNetworkProvider::FromDocumentState(
3256               DocumentState::FromDataSource(frame->provisionalDataSource()));
3257       provider_id = provider->provider_id();
3258     }
3259   } else if (frame->dataSource()) {
3260     ServiceWorkerNetworkProvider* provider =
3261         ServiceWorkerNetworkProvider::FromDocumentState(
3262             DocumentState::FromDataSource(frame->dataSource()));
3263     provider_id = provider->provider_id();
3264   }
3265
3266   WebFrame* parent = frame->parent();
3267   int parent_routing_id = MSG_ROUTING_NONE;
3268   if (!parent) {
3269     parent_routing_id = -1;
3270   } else if (parent->isWebLocalFrame()) {
3271     parent_routing_id = FromWebFrame(parent)->GetRoutingID();
3272   } else {
3273     parent_routing_id = RenderFrameProxy::FromWebFrame(parent)->routing_id();
3274   }
3275
3276   RequestExtraData* extra_data = new RequestExtraData();
3277   extra_data->set_visibility_state(render_view_->visibilityState());
3278   extra_data->set_custom_user_agent(custom_user_agent);
3279   extra_data->set_requested_with(requested_with);
3280   extra_data->set_render_frame_id(routing_id_);
3281   extra_data->set_is_main_frame(!parent);
3282   extra_data->set_frame_origin(
3283       GURL(frame->document().securityOrigin().toString()));
3284   extra_data->set_parent_is_main_frame(parent && !parent->parent());
3285   extra_data->set_parent_render_frame_id(parent_routing_id);
3286   extra_data->set_allow_download(
3287       navigation_state->common_params().allow_download);
3288   extra_data->set_transition_type(transition_type);
3289   extra_data->set_should_replace_current_entry(should_replace_current_entry);
3290   extra_data->set_transferred_request_child_id(
3291       navigation_state->start_params().transferred_request_child_id);
3292   extra_data->set_transferred_request_request_id(
3293       navigation_state->start_params().transferred_request_request_id);
3294   extra_data->set_service_worker_provider_id(provider_id);
3295   extra_data->set_stream_override(stream_override.Pass());
3296   request.setExtraData(extra_data);
3297
3298   DocumentState* top_document_state =
3299       DocumentState::FromDataSource(top_data_source);
3300   if (top_document_state) {
3301     // TODO(gavinp): separate out prefetching and prerender field trials
3302     // if the rel=prerender rel type is sticking around.
3303     if (request.requestContext() == WebURLRequest::RequestContextPrefetch)
3304       top_document_state->set_was_prefetcher(true);
3305   }
3306
3307   // This is an instance where we embed a copy of the routing id
3308   // into the data portion of the message. This can cause problems if we
3309   // don't register this id on the browser side, since the download manager
3310   // expects to find a RenderViewHost based off the id.
3311   request.setRequestorID(render_view_->GetRoutingID());
3312   request.setHasUserGesture(WebUserGestureIndicator::isProcessingUserGesture());
3313
3314   if (!navigation_state->start_params().extra_headers.empty()) {
3315     for (net::HttpUtil::HeadersIterator i(
3316              navigation_state->start_params().extra_headers.begin(),
3317              navigation_state->start_params().extra_headers.end(), "\n");
3318          i.GetNext();) {
3319       if (LowerCaseEqualsASCII(i.name(), "referer")) {
3320         WebString referrer = WebSecurityPolicy::generateReferrerHeader(
3321             blink::WebReferrerPolicyDefault,
3322             request.url(),
3323             WebString::fromUTF8(i.values()));
3324         request.setHTTPReferrer(referrer, blink::WebReferrerPolicyDefault);
3325       } else {
3326         request.setHTTPHeaderField(WebString::fromUTF8(i.name()),
3327                                    WebString::fromUTF8(i.values()));
3328       }
3329     }
3330   }
3331
3332   if (!render_view_->renderer_preferences_.enable_referrers)
3333     request.setHTTPReferrer(WebString(), blink::WebReferrerPolicyDefault);
3334 }
3335
3336 void RenderFrameImpl::didReceiveResponse(
3337     blink::WebLocalFrame* frame,
3338     unsigned identifier,
3339     const blink::WebURLResponse& response) {
3340   DCHECK(!frame_ || frame_ == frame);
3341   // Only do this for responses that correspond to a provisional data source
3342   // of the top-most frame.  If we have a provisional data source, then we
3343   // can't have any sub-resources yet, so we know that this response must
3344   // correspond to a frame load.
3345   if (!frame->provisionalDataSource() || frame->parent())
3346     return;
3347
3348   // If we are in view source mode, then just let the user see the source of
3349   // the server's error page.
3350   if (frame->isViewSourceModeEnabled())
3351     return;
3352
3353   DocumentState* document_state =
3354       DocumentState::FromDataSource(frame->provisionalDataSource());
3355   int http_status_code = response.httpStatusCode();
3356
3357   // Record page load flags.
3358   WebURLResponseExtraDataImpl* extra_data = GetExtraDataFromResponse(response);
3359   if (extra_data) {
3360     document_state->set_was_fetched_via_spdy(
3361         extra_data->was_fetched_via_spdy());
3362     document_state->set_was_npn_negotiated(
3363         extra_data->was_npn_negotiated());
3364     document_state->set_npn_negotiated_protocol(
3365         extra_data->npn_negotiated_protocol());
3366     document_state->set_was_alternate_protocol_available(
3367         extra_data->was_alternate_protocol_available());
3368     document_state->set_connection_info(
3369         extra_data->connection_info());
3370     document_state->set_was_fetched_via_proxy(
3371         extra_data->was_fetched_via_proxy());
3372     document_state->set_proxy_server(
3373         extra_data->proxy_server());
3374   }
3375   InternalDocumentStateData* internal_data =
3376       InternalDocumentStateData::FromDocumentState(document_state);
3377   internal_data->set_http_status_code(http_status_code);
3378   // Whether or not the http status code actually corresponds to an error is
3379   // only checked when the page is done loading, if |use_error_page| is
3380   // still true.
3381   internal_data->set_use_error_page(true);
3382 }
3383
3384 void RenderFrameImpl::didFinishResourceLoad(blink::WebLocalFrame* frame,
3385                                             unsigned identifier) {
3386   DCHECK(!frame_ || frame_ == frame);
3387   InternalDocumentStateData* internal_data =
3388       InternalDocumentStateData::FromDataSource(frame->dataSource());
3389   if (!internal_data->use_error_page())
3390     return;
3391
3392   // Do not show error page when DevTools is attached.
3393   RenderFrameImpl* localRoot = this;
3394   while (localRoot->frame_ && localRoot->frame_->parent() &&
3395       localRoot->frame_->parent()->isWebLocalFrame()) {
3396     localRoot = RenderFrameImpl::FromWebFrame(localRoot->frame_->parent());
3397     DCHECK(localRoot);
3398   }
3399   if (localRoot->devtools_agent_ && localRoot->devtools_agent_->IsAttached())
3400     return;
3401
3402   // Display error page, if appropriate.
3403   std::string error_domain = "http";
3404   int http_status_code = internal_data->http_status_code();
3405   if (GetContentClient()->renderer()->HasErrorPage(
3406           http_status_code, &error_domain)) {
3407     WebURLError error;
3408     error.unreachableURL = frame->document().url();
3409     error.domain = WebString::fromUTF8(error_domain);
3410     error.reason = http_status_code;
3411     LoadNavigationErrorPage(frame->dataSource()->request(), error, true);
3412   }
3413 }
3414
3415 void RenderFrameImpl::didLoadResourceFromMemoryCache(
3416     blink::WebLocalFrame* frame,
3417     const blink::WebURLRequest& request,
3418     const blink::WebURLResponse& response) {
3419   DCHECK(!frame_ || frame_ == frame);
3420   // The recipients of this message have no use for data: URLs: they don't
3421   // affect the page's insecure content list and are not in the disk cache. To
3422   // prevent large (1M+) data: URLs from crashing in the IPC system, we simply
3423   // filter them out here.
3424   GURL url(request.url());
3425   if (url.SchemeIs(url::kDataScheme))
3426     return;
3427
3428   // Let the browser know we loaded a resource from the memory cache.  This
3429   // message is needed to display the correct SSL indicators.
3430   render_view_->Send(new ViewHostMsg_DidLoadResourceFromMemoryCache(
3431       render_view_->GetRoutingID(),
3432       url,
3433       response.securityInfo(),
3434       request.httpMethod().utf8(),
3435       response.mimeType().utf8(),
3436       WebURLRequestToResourceType(request)));
3437 }
3438
3439 void RenderFrameImpl::didDisplayInsecureContent(blink::WebLocalFrame* frame) {
3440   DCHECK(!frame_ || frame_ == frame);
3441   render_view_->Send(new ViewHostMsg_DidDisplayInsecureContent(
3442       render_view_->GetRoutingID()));
3443 }
3444
3445 void RenderFrameImpl::didRunInsecureContent(
3446     blink::WebLocalFrame* frame,
3447     const blink::WebSecurityOrigin& origin,
3448     const blink::WebURL& target) {
3449   DCHECK(!frame_ || frame_ == frame);
3450   render_view_->Send(new ViewHostMsg_DidRunInsecureContent(
3451       render_view_->GetRoutingID(),
3452       origin.toString().utf8(),
3453       target));
3454 }
3455
3456 void RenderFrameImpl::didAbortLoading(blink::WebLocalFrame* frame) {
3457   DCHECK(!frame_ || frame_ == frame);
3458 #if defined(ENABLE_PLUGINS)
3459   if (frame != render_view_->webview()->mainFrame())
3460     return;
3461   PluginChannelHost::Broadcast(
3462       new PluginHostMsg_DidAbortLoading(render_view_->GetRoutingID()));
3463 #endif
3464 }
3465
3466 void RenderFrameImpl::didCreateScriptContext(blink::WebLocalFrame* frame,
3467                                              v8::Handle<v8::Context> context,
3468                                              int extension_group,
3469                                              int world_id) {
3470   DCHECK(!frame_ || frame_ == frame);
3471
3472   FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
3473                     DidCreateScriptContext(context, extension_group, world_id));
3474 }
3475
3476 void RenderFrameImpl::willReleaseScriptContext(blink::WebLocalFrame* frame,
3477                                                v8::Handle<v8::Context> context,
3478                                                int world_id) {
3479   DCHECK(!frame_ || frame_ == frame);
3480
3481   FOR_EACH_OBSERVER(RenderFrameObserver,
3482                     observers_,
3483                     WillReleaseScriptContext(context, world_id));
3484 }
3485
3486 void RenderFrameImpl::didFirstVisuallyNonEmptyLayout(
3487     blink::WebLocalFrame* frame) {
3488   DCHECK(!frame_ || frame_ == frame);
3489   if (frame->parent())
3490     return;
3491
3492   InternalDocumentStateData* data =
3493       InternalDocumentStateData::FromDataSource(frame->dataSource());
3494   data->set_did_first_visually_non_empty_layout(true);
3495
3496 #if defined(OS_ANDROID)
3497   GetRenderWidget()->DidChangeBodyBackgroundColor(
3498       render_view_->webwidget_->backgroundColor());
3499 #endif
3500
3501   GetRenderWidget()->QueueMessage(
3502       new FrameHostMsg_DidFirstVisuallyNonEmptyPaint(routing_id_),
3503       MESSAGE_DELIVERY_POLICY_WITH_VISUAL_STATE);
3504 }
3505
3506 void RenderFrameImpl::didChangeScrollOffset(blink::WebLocalFrame* frame) {
3507   DCHECK(!frame_ || frame_ == frame);
3508   // TODO(nasko): Move implementation here. Needed methods:
3509   // * StartNavStateSyncTimerIfNecessary
3510   render_view_->didChangeScrollOffset(frame);
3511
3512   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidChangeScrollOffset());
3513 }
3514
3515 void RenderFrameImpl::willInsertBody(blink::WebLocalFrame* frame) {
3516   DCHECK(!frame_ || frame_ == frame);
3517   if (!frame->parent()) {
3518     render_view_->Send(new ViewHostMsg_WillInsertBody(
3519         render_view_->GetRoutingID()));
3520   }
3521 }
3522
3523 void RenderFrameImpl::reportFindInPageMatchCount(int request_id,
3524                                                  int count,
3525                                                  bool final_update) {
3526   int active_match_ordinal = -1;  // -1 = don't update active match ordinal
3527   if (!count)
3528     active_match_ordinal = 0;
3529
3530   render_view_->Send(new ViewHostMsg_Find_Reply(
3531       render_view_->GetRoutingID(), request_id, count,
3532       gfx::Rect(), active_match_ordinal, final_update));
3533 }
3534
3535 void RenderFrameImpl::reportFindInPageSelection(
3536     int request_id,
3537     int active_match_ordinal,
3538     const blink::WebRect& selection_rect) {
3539   render_view_->Send(new ViewHostMsg_Find_Reply(
3540       render_view_->GetRoutingID(), request_id, -1, selection_rect,
3541       active_match_ordinal, false));
3542 }
3543
3544 void RenderFrameImpl::requestStorageQuota(
3545     blink::WebLocalFrame* frame,
3546     blink::WebStorageQuotaType type,
3547     unsigned long long requested_size,
3548     blink::WebStorageQuotaCallbacks callbacks) {
3549   DCHECK(!frame_ || frame_ == frame);
3550   WebSecurityOrigin origin = frame->document().securityOrigin();
3551   if (origin.isUnique()) {
3552     // Unique origins cannot store persistent state.
3553     callbacks.didFail(blink::WebStorageQuotaErrorAbort);
3554     return;
3555   }
3556   ChildThreadImpl::current()->quota_dispatcher()->RequestStorageQuota(
3557       render_view_->GetRoutingID(),
3558       GURL(origin.toString()),
3559       static_cast<storage::StorageType>(type),
3560       requested_size,
3561       QuotaDispatcher::CreateWebStorageQuotaCallbacksWrapper(callbacks));
3562 }
3563
3564 void RenderFrameImpl::willOpenWebSocket(blink::WebSocketHandle* handle) {
3565   WebSocketBridge* impl = static_cast<WebSocketBridge*>(handle);
3566   impl->set_render_frame_id(routing_id_);
3567 }
3568
3569 blink::WebGeolocationClient* RenderFrameImpl::geolocationClient() {
3570   if (!geolocation_dispatcher_)
3571     geolocation_dispatcher_ = new GeolocationDispatcher(this);
3572   return geolocation_dispatcher_;
3573 }
3574
3575 blink::WebPresentationClient* RenderFrameImpl::presentationClient() {
3576   if (!presentation_dispatcher_)
3577     presentation_dispatcher_ = new PresentationDispatcher(this);
3578   return presentation_dispatcher_;
3579 }
3580
3581 blink::WebPushClient* RenderFrameImpl::pushClient() {
3582   if (!push_messaging_dispatcher_)
3583     push_messaging_dispatcher_ = new PushMessagingDispatcher(this);
3584   return push_messaging_dispatcher_;
3585 }
3586
3587 void RenderFrameImpl::willStartUsingPeerConnectionHandler(
3588     blink::WebLocalFrame* frame,
3589     blink::WebRTCPeerConnectionHandler* handler) {
3590   DCHECK(!frame_ || frame_ == frame);
3591 #if defined(ENABLE_WEBRTC)
3592   static_cast<RTCPeerConnectionHandler*>(handler)->associateWithFrame(frame);
3593 #endif
3594 }
3595
3596 blink::WebUserMediaClient* RenderFrameImpl::userMediaClient() {
3597   if (!web_user_media_client_)
3598     InitializeUserMediaClient();
3599   return web_user_media_client_;
3600 }
3601
3602 blink::WebEncryptedMediaClient* RenderFrameImpl::encryptedMediaClient() {
3603   if (!web_encrypted_media_client_) {
3604     web_encrypted_media_client_.reset(new media::WebEncryptedMediaClientImpl(
3605         GetCdmFactory(), GetMediaPermission()));
3606   }
3607   return web_encrypted_media_client_.get();
3608 }
3609
3610 blink::WebMIDIClient* RenderFrameImpl::webMIDIClient() {
3611   if (!midi_dispatcher_)
3612     midi_dispatcher_ = new MidiDispatcher(this);
3613   return midi_dispatcher_;
3614 }
3615
3616 bool RenderFrameImpl::willCheckAndDispatchMessageEvent(
3617     blink::WebLocalFrame* source_frame,
3618     blink::WebFrame* target_frame,
3619     blink::WebSecurityOrigin target_origin,
3620     blink::WebDOMMessageEvent event) {
3621   DCHECK(!frame_ || frame_ == target_frame);
3622
3623   // Currently, a postMessage that targets a cross-process frame can be plumbed
3624   // either through this function or RenderFrameProxy::postMessageEvent. This
3625   // function is used when the target cross-process frame is a top-level frame
3626   // which has been swapped out.  In that case, the corresponding WebLocalFrame
3627   // currently remains in the frame tree even in site-per-process mode (see
3628   // OnSwapOut). RenderFrameProxy::postMessageEvent is used in
3629   // --site-per-process mode for all other cases.
3630   //
3631   // TODO(alexmos, nasko): When swapped-out:// disappears, this should be
3632   // cleaned up so that RenderFrameProxy::postMessageEvent is the only path for
3633   // cross-process postMessages.
3634   if (!is_swapped_out_)
3635     return false;
3636
3637   // It is possible to get here on a swapped-out frame without a
3638   // |render_frame_proxy_|. This happens when:
3639   // - This process only has one active RenderView and is about to go away
3640   //   (e.g., due to cross-process navigation).
3641   // - The top frame has a subframe with an unload handler.
3642   // - The subframe sends a postMessage to the top-level frame in its unload
3643   //   handler.
3644   // See https://crbug.com/475651 for details.  We return false here, since we
3645   // don't want to deliver the message to the new process in this case.
3646   if (!render_frame_proxy_)
3647     return false;
3648
3649   render_frame_proxy_->postMessageEvent(
3650       source_frame, render_frame_proxy_->web_frame(), target_origin, event);
3651   return true;
3652 }
3653
3654 blink::WebString RenderFrameImpl::userAgentOverride(blink::WebLocalFrame* frame,
3655                                                     const blink::WebURL& url) {
3656   DCHECK(!frame_ || frame_ == frame);
3657   std::string user_agent_override_for_url =
3658       GetContentClient()->renderer()->GetUserAgentOverrideForURL(GURL(url));
3659   if (!user_agent_override_for_url.empty())
3660     return WebString::fromUTF8(user_agent_override_for_url);
3661
3662   if (!render_view_->webview() || !render_view_->webview()->mainFrame() ||
3663       render_view_->renderer_preferences_.user_agent_override.empty()) {
3664     return blink::WebString();
3665   }
3666
3667   // TODO(nasko): When the top-level frame is remote, there is no WebDataSource
3668   // associated with it, so the checks below are not valid. Temporarily
3669   // return early and fix properly as part of https://crbug.com/426555.
3670   if (render_view_->webview()->mainFrame()->isWebRemoteFrame())
3671     return blink::WebString();
3672
3673   // If we're in the middle of committing a load, the data source we need
3674   // will still be provisional.
3675   WebFrame* main_frame = render_view_->webview()->mainFrame();
3676   WebDataSource* data_source = NULL;
3677   if (main_frame->provisionalDataSource())
3678     data_source = main_frame->provisionalDataSource();
3679   else
3680     data_source = main_frame->dataSource();
3681
3682   InternalDocumentStateData* internal_data = data_source ?
3683       InternalDocumentStateData::FromDataSource(data_source) : NULL;
3684   if (internal_data && internal_data->is_overriding_user_agent())
3685     return WebString::fromUTF8(
3686         render_view_->renderer_preferences_.user_agent_override);
3687   return blink::WebString();
3688 }
3689
3690 blink::WebString RenderFrameImpl::doNotTrackValue(blink::WebLocalFrame* frame) {
3691   DCHECK(!frame_ || frame_ == frame);
3692   if (render_view_->renderer_preferences_.enable_do_not_track)
3693     return WebString::fromUTF8("1");
3694   return WebString();
3695 }
3696
3697 bool RenderFrameImpl::allowWebGL(blink::WebLocalFrame* frame,
3698                                  bool default_value) {
3699   DCHECK(!frame_ || frame_ == frame);
3700   if (!default_value)
3701     return false;
3702
3703   bool blocked = true;
3704   render_view_->Send(new ViewHostMsg_Are3DAPIsBlocked(
3705       render_view_->GetRoutingID(),
3706       GURL(frame->top()->document().securityOrigin().toString()),
3707       THREE_D_API_TYPE_WEBGL,
3708       &blocked));
3709   return !blocked;
3710 }
3711
3712 void RenderFrameImpl::didLoseWebGLContext(blink::WebLocalFrame* frame,
3713                                           int arb_robustness_status_code) {
3714   DCHECK(!frame_ || frame_ == frame);
3715   render_view_->Send(new ViewHostMsg_DidLose3DContext(
3716       GURL(frame->top()->document().securityOrigin().toString()),
3717       THREE_D_API_TYPE_WEBGL,
3718       arb_robustness_status_code));
3719 }
3720
3721 blink::WebScreenOrientationClient*
3722     RenderFrameImpl::webScreenOrientationClient() {
3723   if (!screen_orientation_dispatcher_)
3724     screen_orientation_dispatcher_ = new ScreenOrientationDispatcher(this);
3725   return screen_orientation_dispatcher_;
3726 }
3727
3728 bool RenderFrameImpl::isControlledByServiceWorker(WebDataSource& data_source) {
3729   ServiceWorkerNetworkProvider* provider =
3730       ServiceWorkerNetworkProvider::FromDocumentState(
3731           DocumentState::FromDataSource(&data_source));
3732   return provider->context()->controller_handle_id() !=
3733       kInvalidServiceWorkerHandleId;
3734 }
3735
3736 int64_t RenderFrameImpl::serviceWorkerID(WebDataSource& data_source) {
3737   ServiceWorkerNetworkProvider* provider =
3738       ServiceWorkerNetworkProvider::FromDocumentState(
3739           DocumentState::FromDataSource(&data_source));
3740
3741   if (provider->context()->controller())
3742     return provider->context()->controller()->version_id();
3743   return kInvalidServiceWorkerVersionId;
3744 }
3745
3746 void RenderFrameImpl::postAccessibilityEvent(const blink::WebAXObject& obj,
3747                                              blink::WebAXEvent event) {
3748   HandleWebAccessibilityEvent(obj, event);
3749 }
3750
3751 void RenderFrameImpl::handleAccessibilityFindInPageResult(
3752     int identifier,
3753     int match_index,
3754     const blink::WebAXObject& start_object,
3755     int start_offset,
3756     const blink::WebAXObject& end_object,
3757     int end_offset) {
3758   if (renderer_accessibility_) {
3759     renderer_accessibility_->HandleAccessibilityFindInPageResult(
3760         identifier, match_index, start_object, start_offset,
3761         end_object, end_offset);
3762   }
3763 }
3764
3765 void RenderFrameImpl::didChangeManifest(blink::WebLocalFrame* frame) {
3766   DCHECK(!frame_ || frame_ == frame);
3767
3768   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidChangeManifest());
3769 }
3770
3771 void RenderFrameImpl::didChangeDefaultPresentation(
3772     blink::WebLocalFrame* frame) {
3773   DCHECK(!frame_ || frame_ == frame);
3774
3775   FOR_EACH_OBSERVER(
3776       RenderFrameObserver, observers_, DidChangeDefaultPresentation());
3777 }
3778
3779 bool RenderFrameImpl::enterFullscreen() {
3780   Send(new FrameHostMsg_ToggleFullscreen(routing_id_, true));
3781   return true;
3782 }
3783
3784 bool RenderFrameImpl::exitFullscreen() {
3785   Send(new FrameHostMsg_ToggleFullscreen(routing_id_, false));
3786   return true;
3787 }
3788
3789 blink::WebPermissionClient* RenderFrameImpl::permissionClient() {
3790   if (!permission_client_)
3791     permission_client_.reset(new PermissionDispatcher(GetServiceRegistry()));
3792
3793   return permission_client_.get();
3794 }
3795
3796 void RenderFrameImpl::DidPlay(blink::WebMediaPlayer* player) {
3797   Send(new FrameHostMsg_MediaPlayingNotification(
3798       routing_id_, reinterpret_cast<int64>(player), player->hasVideo(),
3799       player->hasAudio(), player->isRemote()));
3800 }
3801
3802 void RenderFrameImpl::DidPause(blink::WebMediaPlayer* player) {
3803   Send(new FrameHostMsg_MediaPausedNotification(
3804       routing_id_, reinterpret_cast<int64>(player)));
3805 }
3806
3807 void RenderFrameImpl::PlayerGone(blink::WebMediaPlayer* player) {
3808   DidPause(player);
3809 }
3810
3811 void RenderFrameImpl::AddObserver(RenderFrameObserver* observer) {
3812   observers_.AddObserver(observer);
3813 }
3814
3815 void RenderFrameImpl::RemoveObserver(RenderFrameObserver* observer) {
3816   observer->RenderFrameGone();
3817   observers_.RemoveObserver(observer);
3818 }
3819
3820 void RenderFrameImpl::OnStop() {
3821   DCHECK(frame_);
3822   frame_->stopLoading();
3823   if (!frame_->parent())
3824     FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers_, OnStop());
3825
3826   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, OnStop());
3827 }
3828
3829 void RenderFrameImpl::WasHidden() {
3830   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, WasHidden());
3831 }
3832
3833 void RenderFrameImpl::WasShown() {
3834   // TODO(kenrb): Need to figure out how to do this better. Should
3835   // VisibilityState remain a page-level concept or move to frames?
3836   // The semantics of 'Show' might have to change here.
3837   if (render_widget_) {
3838     static_cast<blink::WebFrameWidget*>(render_widget_->webwidget())->
3839         setVisibilityState(blink::WebPageVisibilityStateVisible, false);
3840   }
3841   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, WasShown());
3842 }
3843
3844 void RenderFrameImpl::WidgetWillClose() {
3845   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, WidgetWillClose());
3846 }
3847
3848 bool RenderFrameImpl::IsHidden() {
3849   return GetRenderWidget()->is_hidden();
3850 }
3851
3852 // Tell the embedding application that the URL of the active page has changed.
3853 void RenderFrameImpl::SendDidCommitProvisionalLoad(
3854       blink::WebFrame* frame,
3855       blink::WebHistoryCommitType commit_type) {
3856   DCHECK(!frame_ || frame_ == frame);
3857   WebDataSource* ds = frame->dataSource();
3858   DCHECK(ds);
3859
3860   const WebURLRequest& request = ds->request();
3861   const WebURLResponse& response = ds->response();
3862
3863   DocumentState* document_state = DocumentState::FromDataSource(ds);
3864   NavigationStateImpl* navigation_state =
3865       static_cast<NavigationStateImpl*>(document_state->navigation_state());
3866   InternalDocumentStateData* internal_data =
3867       InternalDocumentStateData::FromDocumentState(document_state);
3868
3869   FrameHostMsg_DidCommitProvisionalLoad_Params params;
3870   params.http_status_code = response.httpStatusCode();
3871   params.url_is_unreachable = ds->hasUnreachableURL();
3872   params.is_post = false;
3873   params.post_id = -1;
3874   params.page_id = render_view_->page_id_;
3875   // We need to track the RenderViewHost routing_id because of downstream
3876   // dependencies (crbug.com/392171 DownloadRequestHandle, SaveFileManager,
3877   // ResourceDispatcherHostImpl, MediaStreamUIProxy,
3878   // SpeechRecognitionDispatcherHost and possibly others). They look up the view
3879   // based on the ID stored in the resource requests. Once those dependencies
3880   // are unwound or moved to RenderFrameHost (crbug.com/304341) we can move the
3881   // client to be based on the routing_id of the RenderFrameHost.
3882   params.render_view_routing_id = render_view_->routing_id();
3883   params.socket_address.set_host(response.remoteIPAddress().utf8());
3884   params.socket_address.set_port(response.remotePort());
3885   WebURLResponseExtraDataImpl* extra_data = GetExtraDataFromResponse(response);
3886   if (extra_data)
3887     params.was_fetched_via_proxy = extra_data->was_fetched_via_proxy();
3888   params.was_within_same_page = navigation_state->WasWithinSamePage();
3889   params.security_info = response.securityInfo();
3890
3891   // Set the URL to be displayed in the browser UI to the user.
3892   params.url = GetLoadingUrl();
3893   DCHECK(!is_swapped_out_ || params.url == GURL(kSwappedOutURL));
3894
3895   // Set the origin of the frame.  This will be replicated to the corresponding
3896   // RenderFrameProxies in other processes.
3897   // TODO(alexmos): Origins for URLs with non-standard schemes are excluded due
3898   // to https://crbug.com/439608 and will be replicated as unique origins.
3899   if (!is_swapped_out_) {
3900     WebString serialized_origin(frame->document().securityOrigin().toString());
3901     if (GURL(serialized_origin).IsStandard())
3902       params.origin = url::Origin(serialized_origin.utf8());
3903   }
3904
3905   if (frame->document().baseURL() != params.url)
3906     params.base_url = frame->document().baseURL();
3907
3908   GetRedirectChain(ds, &params.redirects);
3909   params.should_update_history = !ds->hasUnreachableURL() &&
3910       !response.isMultipartPayload() && (response.httpStatusCode() != 404);
3911
3912   params.searchable_form_url = internal_data->searchable_form_url();
3913   params.searchable_form_encoding = internal_data->searchable_form_encoding();
3914
3915   params.gesture = render_view_->navigation_gesture_;
3916   render_view_->navigation_gesture_ = NavigationGestureUnknown;
3917
3918   // Make navigation state a part of the DidCommitProvisionalLoad message so
3919   // that committed entry has it at all times.
3920   HistoryEntry* entry = render_view_->history_controller()->GetCurrentEntry();
3921   if (entry)
3922     params.page_state = HistoryEntryToPageState(entry);
3923   else
3924     params.page_state = PageState::CreateFromURL(request.url());
3925
3926   if (!frame->parent()) {
3927     // Top-level navigation.
3928
3929     // Reset the zoom limits in case a plugin had changed them previously. This
3930     // will also call us back which will cause us to send a message to
3931     // update WebContentsImpl.
3932     render_view_->webview()->zoomLimitsChanged(
3933         ZoomFactorToZoomLevel(kMinimumZoomFactor),
3934         ZoomFactorToZoomLevel(kMaximumZoomFactor));
3935
3936     // Set zoom level, but don't do it for full-page plugin since they don't use
3937     // the same zoom settings.
3938     HostZoomLevels::iterator host_zoom =
3939         render_view_->host_zoom_levels_.find(GURL(request.url()));
3940     if (render_view_->webview()->mainFrame()->document().isPluginDocument()) {
3941       // Reset the zoom levels for plugins.
3942       render_view_->webview()->setZoomLevel(0);
3943     } else {
3944       // If the zoom level is not found, then do nothing. In-page navigation
3945       // relies on not changing the zoom level in this case.
3946       if (host_zoom != render_view_->host_zoom_levels_.end())
3947         render_view_->webview()->setZoomLevel(host_zoom->second);
3948     }
3949
3950     if (host_zoom != render_view_->host_zoom_levels_.end()) {
3951       // This zoom level was merely recorded transiently for this load.  We can
3952       // erase it now.  If at some point we reload this page, the browser will
3953       // send us a new, up-to-date zoom level.
3954       render_view_->host_zoom_levels_.erase(host_zoom);
3955     }
3956
3957     // Update contents MIME type for main frame.
3958     params.contents_mime_type = ds->response().mimeType().utf8();
3959
3960     params.transition = navigation_state->GetTransitionType();
3961     if (!ui::PageTransitionIsMainFrame(params.transition)) {
3962       // If the main frame does a load, it should not be reported as a subframe
3963       // navigation.  This can occur in the following case:
3964       // 1. You're on a site with frames.
3965       // 2. You do a subframe navigation.  This is stored with transition type
3966       //    MANUAL_SUBFRAME.
3967       // 3. You navigate to some non-frame site, say, google.com.
3968       // 4. You navigate back to the page from step 2.  Since it was initially
3969       //    MANUAL_SUBFRAME, it will be that same transition type here.
3970       // We don't want that, because any navigation that changes the toplevel
3971       // frame should be tracked as a toplevel navigation (this allows us to
3972       // update the URL bar, etc).
3973       params.transition = ui::PAGE_TRANSITION_LINK;
3974     }
3975
3976     // If the page contained a client redirect (meta refresh, document.loc...),
3977     // set the referrer and transition appropriately.
3978     if (ds->isClientRedirect()) {
3979       params.referrer =
3980           Referrer(params.redirects[0], ds->request().referrerPolicy());
3981       params.transition = ui::PageTransitionFromInt(
3982           params.transition | ui::PAGE_TRANSITION_CLIENT_REDIRECT);
3983     } else {
3984       params.referrer = RenderViewImpl::GetReferrerFromRequest(
3985           frame, ds->request());
3986     }
3987
3988     base::string16 method = request.httpMethod();
3989     if (EqualsASCII(method, "POST")) {
3990       params.is_post = true;
3991       params.post_id = ExtractPostId(entry);
3992     }
3993
3994     // Send the user agent override back.
3995     params.is_overriding_user_agent = internal_data->is_overriding_user_agent();
3996
3997     // Track the URL of the original request.  We use the first entry of the
3998     // redirect chain if it exists because the chain may have started in another
3999     // process.
4000     params.original_request_url = GetOriginalRequestURL(ds);
4001
4002     params.history_list_was_cleared =
4003         navigation_state->request_params().should_clear_history_list;
4004
4005     params.report_type = static_cast<FrameMsg_UILoadMetricsReportType::Value>(
4006         frame->dataSource()->request().inputPerfMetricReportPolicy());
4007     params.ui_timestamp = base::TimeTicks() + base::TimeDelta::FromSecondsD(
4008         frame->dataSource()->request().uiStartTime());
4009
4010     // Save some histogram data so we can compute the average memory used per
4011     // page load of the glyphs.
4012     UMA_HISTOGRAM_COUNTS_10000("Memory.GlyphPagesPerLoad",
4013                                blink::WebGlyphCache::pageCount());
4014
4015     // This message needs to be sent before any of allowScripts(),
4016     // allowImages(), allowPlugins() is called for the new page, so that when
4017     // these functions send a ViewHostMsg_ContentBlocked message, it arrives
4018     // after the FrameHostMsg_DidCommitProvisionalLoad message.
4019     Send(new FrameHostMsg_DidCommitProvisionalLoad(routing_id_, params));
4020   } else {
4021     // Subframe navigation: the type depends on whether this navigation
4022     // generated a new session history entry. When they do generate a session
4023     // history entry, it means the user initiated the navigation and we should
4024     // mark it as such.
4025     if (commit_type == blink::WebStandardCommit)
4026       params.transition = ui::PAGE_TRANSITION_MANUAL_SUBFRAME;
4027     else
4028       params.transition = ui::PAGE_TRANSITION_AUTO_SUBFRAME;
4029
4030     DCHECK(!navigation_state->request_params().should_clear_history_list);
4031     params.history_list_was_cleared = false;
4032     params.report_type = FrameMsg_UILoadMetricsReportType::NO_REPORT;
4033
4034     // Don't send this message while the subframe is swapped out.
4035     if (!is_swapped_out())
4036       Send(new FrameHostMsg_DidCommitProvisionalLoad(routing_id_, params));
4037   }
4038
4039   // If we end up reusing this WebRequest (for example, due to a #ref click),
4040   // we don't want the transition type to persist.  Just clear it.
4041   navigation_state->set_transition_type(ui::PAGE_TRANSITION_LINK);
4042 }
4043
4044 void RenderFrameImpl::didStartLoading(bool to_different_document) {
4045   TRACE_EVENT1("navigation", "RenderFrameImpl::didStartLoading",
4046                "id", routing_id_);
4047   render_view_->FrameDidStartLoading(frame_);
4048   Send(new FrameHostMsg_DidStartLoading(routing_id_, to_different_document));
4049 }
4050
4051 void RenderFrameImpl::didStopLoading() {
4052   TRACE_EVENT1("navigation", "RenderFrameImpl::didStopLoading",
4053                "id", routing_id_);
4054   render_view_->FrameDidStopLoading(frame_);
4055   Send(new FrameHostMsg_DidStopLoading(routing_id_));
4056 }
4057
4058 void RenderFrameImpl::didChangeLoadProgress(double load_progress) {
4059   Send(new FrameHostMsg_DidChangeLoadProgress(routing_id_, load_progress));
4060 }
4061
4062 void RenderFrameImpl::HandleWebAccessibilityEvent(
4063     const blink::WebAXObject& obj, blink::WebAXEvent event) {
4064   if (renderer_accessibility_)
4065     renderer_accessibility_->HandleWebAccessibilityEvent(obj, event);
4066 }
4067
4068 void RenderFrameImpl::FocusedNodeChanged(const WebNode& node) {
4069   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, FocusedNodeChanged(node));
4070 }
4071
4072 void RenderFrameImpl::FocusedNodeChangedForAccessibility(const WebNode& node) {
4073   if (renderer_accessibility())
4074     renderer_accessibility()->AccessibilityFocusedNodeChanged(node);
4075 }
4076
4077 // PlzNavigate
4078 void RenderFrameImpl::OnCommitNavigation(
4079     const ResourceResponseHead& response,
4080     const GURL& stream_url,
4081     const CommonNavigationParams& common_params,
4082     const RequestNavigationParams& request_params) {
4083   CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch(
4084       switches::kEnableBrowserSideNavigation));
4085   bool is_reload = false;
4086   bool is_history_navigation = request_params.page_state.IsValid();
4087   WebURLRequest::CachePolicy cache_policy =
4088       WebURLRequest::UseProtocolCachePolicy;
4089   if (!RenderFrameImpl::PrepareRenderViewForNavigation(
4090           common_params.url, is_history_navigation, request_params, &is_reload,
4091           &cache_policy)) {
4092     Send(new FrameHostMsg_DidDropNavigation(routing_id_));
4093     return;
4094   }
4095
4096   GetContentClient()->SetActiveURL(common_params.url);
4097
4098   pending_navigation_params_.reset(new NavigationParams(
4099       common_params, StartNavigationParams(), request_params));
4100
4101   if (!common_params.base_url_for_data_url.is_empty() ||
4102       common_params.url.SchemeIs(url::kDataScheme)) {
4103     LoadDataURL(common_params, frame_);
4104     return;
4105   }
4106
4107   // Create a WebURLRequest that blink can use to get access to the body of the
4108   // response through a stream in the browser. Blink will then commit the
4109   // navigation.
4110   // TODO(clamy): Have the navigation commit directly, without going through
4111   // loading a WebURLRequest.
4112   scoped_ptr<StreamOverrideParameters> stream_override(
4113       new StreamOverrideParameters());
4114   stream_override->stream_url = stream_url;
4115   stream_override->response = response;
4116   WebURLRequest request =
4117       CreateURLRequestForNavigation(common_params,
4118                                     stream_override.Pass(),
4119                                     frame_->isViewSourceModeEnabled());
4120
4121   // Make sure that blink loader will not try to use browser side navigation for
4122   // this request (since it already went to the browser).
4123   request.setCheckForBrowserSideNavigation(false);
4124
4125   // Record this before starting the load. A lower bound of this time is needed
4126   // to sanitize the navigationStart override set below.
4127   base::TimeTicks renderer_navigation_start = base::TimeTicks::Now();
4128   frame_->loadRequest(request);
4129   UpdateFrameNavigationTiming(frame_, request_params.browser_navigation_start,
4130                               renderer_navigation_start);
4131 }
4132
4133 void RenderFrameImpl::OnFailedNavigation(
4134     const CommonNavigationParams& common_params,
4135     const RequestNavigationParams& request_params,
4136     bool has_stale_copy_in_cache,
4137     int error_code) {
4138   bool is_reload = IsReload(common_params.navigation_type);
4139   bool is_history_navigation = request_params.page_state.IsValid();
4140   WebURLRequest::CachePolicy cache_policy =
4141       WebURLRequest::UseProtocolCachePolicy;
4142   if (!RenderFrameImpl::PrepareRenderViewForNavigation(
4143           common_params.url, is_history_navigation, request_params, &is_reload,
4144           &cache_policy)) {
4145     Send(new FrameHostMsg_DidDropNavigation(routing_id_));
4146     return;
4147   }
4148
4149   GetContentClient()->SetActiveURL(common_params.url);
4150
4151   pending_navigation_params_.reset(new NavigationParams(
4152       common_params, StartNavigationParams(), request_params));
4153
4154   // Inform the browser of the start of the provisional load. This is needed so
4155   // that the load is properly tracked by the WebNavigation API.
4156   // TODO(clamy): Properly set is_transition_navigation.
4157   Send(new FrameHostMsg_DidStartProvisionalLoadForFrame(
4158       routing_id_, common_params.url, false));
4159
4160   // Send the provisional load failure.
4161   blink::WebURLError error =
4162       CreateWebURLError(common_params.url, has_stale_copy_in_cache, error_code);
4163   WebURLRequest failed_request = CreateURLRequestForNavigation(
4164       common_params, scoped_ptr<StreamOverrideParameters>(),
4165       frame_->isViewSourceModeEnabled());
4166   SendFailedProvisionalLoad(failed_request, error, frame_);
4167
4168   if (!ShouldDisplayErrorPageForFailedLoad(error_code, common_params.url)) {
4169     Send(new FrameHostMsg_DidDropNavigation(routing_id_));
4170     return;
4171   }
4172
4173   // Make sure errors are not shown in view source mode.
4174   frame_->enableViewSourceMode(false);
4175
4176   // Replace the current history entry in reloads, history navigations and loads
4177   // of the same url. This corresponds to Blink's notion of a standard
4178   // commit.
4179   // TODO(clamy): see if initial commits in subframes should be handled
4180   // separately.
4181   bool replace = is_reload || is_history_navigation ||
4182                  common_params.url == GetLoadingUrl();
4183   LoadNavigationErrorPage(failed_request, error, replace);
4184 }
4185
4186 WebNavigationPolicy RenderFrameImpl::DecidePolicyForNavigation(
4187     RenderFrame* render_frame,
4188     const NavigationPolicyInfo& info) {
4189 #ifdef OS_ANDROID
4190   // The handlenavigation API is deprecated and will be removed once
4191   // crbug.com/325351 is resolved.
4192   if (info.urlRequest.url() != GURL(kSwappedOutURL) &&
4193       GetContentClient()->renderer()->HandleNavigation(
4194           render_frame,
4195           static_cast<DocumentState*>(info.extraData),
4196           render_view_->opener_id_,
4197           info.frame,
4198           info.urlRequest,
4199           info.navigationType,
4200           info.defaultPolicy,
4201           info.isRedirect)) {
4202     return blink::WebNavigationPolicyIgnore;
4203   }
4204 #endif
4205
4206   Referrer referrer(RenderViewImpl::GetReferrerFromRequest(info.frame,
4207                                                            info.urlRequest));
4208   const base::CommandLine& command_line =
4209       *base::CommandLine::ForCurrentProcess();
4210
4211   bool is_subframe = !!info.frame->parent();
4212
4213   if (command_line.HasSwitch(switches::kSitePerProcess) && is_subframe) {
4214     // There's no reason to ignore navigations on subframes, since the swap out
4215     // logic no longer applies.
4216   } else {
4217     if (is_swapped_out_) {
4218       if (info.urlRequest.url() != GURL(kSwappedOutURL)) {
4219         // Targeted links may try to navigate a swapped out frame.  Allow the
4220         // browser process to navigate the tab instead.  Note that it is also
4221         // possible for non-targeted navigations (from this view) to arrive
4222         // here just after we are swapped out.  It's ok to send them to the
4223         // browser, as long as they're for the top level frame.
4224         // TODO(creis): Ensure this supports targeted form submissions when
4225         // fixing http://crbug.com/101395.
4226         if (info.frame->parent() == NULL) {
4227           OpenURL(info.frame, info.urlRequest.url(), referrer,
4228                   info.defaultPolicy);
4229           return blink::WebNavigationPolicyIgnore;  // Suppress the load here.
4230         }
4231
4232         // We should otherwise ignore in-process iframe navigations, if they
4233         // arrive just after we are swapped out.
4234         return blink::WebNavigationPolicyIgnore;
4235       }
4236
4237       // Allow kSwappedOutURL to complete.
4238       return info.defaultPolicy;
4239     }
4240   }
4241
4242   // Webkit is asking whether to navigate to a new URL.
4243   // This is fine normally, except if we're showing UI from one security
4244   // context and they're trying to navigate to a different context.
4245   const GURL& url = info.urlRequest.url();
4246
4247   // A content initiated navigation may have originated from a link-click,
4248   // script, drag-n-drop operation, etc.
4249   DocumentState* document_state = static_cast<DocumentState*>(info.extraData);
4250   bool is_content_initiated =
4251       document_state->navigation_state()->IsContentInitiated();
4252
4253   // Experimental:
4254   // If --enable-strict-site-isolation is enabled, send all top-level
4255   // navigations to the browser to let it swap processes when crossing site
4256   // boundaries.  This is currently expected to break some script calls and
4257   // navigations, such as form submissions.
4258   bool force_swap_due_to_flag =
4259       command_line.HasSwitch(switches::kEnableStrictSiteIsolation);
4260   if (force_swap_due_to_flag &&
4261       !info.frame->parent() && (is_content_initiated || info.isRedirect)) {
4262     WebString origin_str = info.frame->document().securityOrigin().toString();
4263     GURL frame_url(origin_str.utf8().data());
4264     // TODO(cevans): revisit whether this site check is still necessary once
4265     // crbug.com/101395 is fixed.
4266     bool same_domain_or_host =
4267         net::registry_controlled_domains::SameDomainOrHost(
4268             frame_url,
4269             url,
4270             net::registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES);
4271     // Only keep same-site (domain + scheme) and data URLs in the same process.
4272     bool is_same_site =
4273         (same_domain_or_host && frame_url.scheme() == url.scheme()) ||
4274         url.SchemeIs(url::kDataScheme);
4275     if (!is_same_site) {
4276       OpenURL(info.frame, url, referrer, info.defaultPolicy);
4277       return blink::WebNavigationPolicyIgnore;
4278     }
4279   }
4280
4281   // If the browser is interested, then give it a chance to look at the request.
4282   if (is_content_initiated) {
4283     bool is_form_post =
4284         ((info.navigationType == blink::WebNavigationTypeFormSubmitted) ||
4285             (info.navigationType == blink::WebNavigationTypeFormResubmitted)) &&
4286         EqualsASCII(info.urlRequest.httpMethod(), "POST");
4287     bool browser_handles_request =
4288         render_view_->renderer_preferences_
4289             .browser_handles_non_local_top_level_requests
4290         && IsNonLocalTopLevelNavigation(url, info.frame, info.navigationType,
4291                                         is_form_post);
4292     if (!browser_handles_request) {
4293       browser_handles_request = IsTopLevelNavigation(info.frame) &&
4294           render_view_->renderer_preferences_
4295               .browser_handles_all_top_level_requests;
4296     }
4297
4298     if (browser_handles_request) {
4299       OpenURL(info.frame, url, referrer, info.defaultPolicy);
4300       return blink::WebNavigationPolicyIgnore;  // Suppress the load here.
4301     }
4302   }
4303
4304   // Use the frame's original request's URL rather than the document's URL for
4305   // subsequent checks.  For a popup, the document's URL may become the opener
4306   // window's URL if the opener has called document.write().
4307   // See http://crbug.com/93517.
4308   GURL old_url(info.frame->dataSource()->request().url());
4309
4310   // Detect when we're crossing a permission-based boundary (e.g. into or out of
4311   // an extension or app origin, leaving a WebUI page, etc). We only care about
4312   // top-level navigations (not iframes). But we sometimes navigate to
4313   // about:blank to clear a tab, and we want to still allow that.
4314   //
4315   // Note: this is known to break POST submissions when crossing process
4316   // boundaries until http://crbug.com/101395 is fixed.  This is better for
4317   // security than loading a WebUI, extension or app page in the wrong process.
4318   // POST requests don't work because this mechanism does not preserve form
4319   // POST data. We will need to send the request's httpBody data up to the
4320   // browser process, and issue a special POST navigation in WebKit (via
4321   // FrameLoader::loadFrameRequest). See ResourceDispatcher and WebURLLoaderImpl
4322   // for examples of how to send the httpBody data.
4323   if (!info.frame->parent() && is_content_initiated &&
4324       !url.SchemeIs(url::kAboutScheme)) {
4325     bool send_referrer = false;
4326
4327     // All navigations to or from WebUI URLs or within WebUI-enabled
4328     // RenderProcesses must be handled by the browser process so that the
4329     // correct bindings and data sources can be registered.
4330     // Similarly, navigations to view-source URLs or within ViewSource mode
4331     // must be handled by the browser process (except for reloads - those are
4332     // safe to leave within the renderer).
4333     // Lastly, access to file:// URLs from non-file:// URL pages must be
4334     // handled by the browser so that ordinary renderer processes don't get
4335     // blessed with file permissions.
4336     int cumulative_bindings = RenderProcess::current()->GetEnabledBindings();
4337     bool is_initial_navigation = render_view_->page_id_ == -1;
4338     bool should_fork = HasWebUIScheme(url) || HasWebUIScheme(old_url) ||
4339         (cumulative_bindings & BINDINGS_POLICY_WEB_UI) ||
4340         url.SchemeIs(kViewSourceScheme) ||
4341         (info.frame->isViewSourceModeEnabled() &&
4342             info.navigationType != blink::WebNavigationTypeReload);
4343
4344     if (!should_fork && url.SchemeIs(url::kFileScheme)) {
4345       // Fork non-file to file opens.  Check the opener URL if this is the
4346       // initial navigation in a newly opened window.
4347       GURL source_url(old_url);
4348       if (is_initial_navigation && source_url.is_empty() &&
4349           info.frame->opener())
4350         source_url = info.frame->opener()->top()->document().url();
4351       DCHECK(!source_url.is_empty());
4352       should_fork = !source_url.SchemeIs(url::kFileScheme);
4353     }
4354
4355     if (!should_fork) {
4356       // Give the embedder a chance.
4357       should_fork = GetContentClient()->renderer()->ShouldFork(
4358           info.frame, url, info.urlRequest.httpMethod().utf8(),
4359           is_initial_navigation, info.isRedirect, &send_referrer);
4360     }
4361
4362     if (should_fork) {
4363       OpenURL(info.frame, url, send_referrer ? referrer : Referrer(),
4364               info.defaultPolicy);
4365       return blink::WebNavigationPolicyIgnore;  // Suppress the load here.
4366     }
4367   }
4368
4369   // Detect when a page is "forking" a new tab that can be safely rendered in
4370   // its own process.  This is done by sites like Gmail that try to open links
4371   // in new windows without script connections back to the original page.  We
4372   // treat such cases as browser navigations (in which we will create a new
4373   // renderer for a cross-site navigation), rather than WebKit navigations.
4374   //
4375   // We use the following heuristic to decide whether to fork a new page in its
4376   // own process:
4377   // The parent page must open a new tab to about:blank, set the new tab's
4378   // window.opener to null, and then redirect the tab to a cross-site URL using
4379   // JavaScript.
4380   //
4381   // TODO(creis): Deprecate this logic once we can rely on rel=noreferrer
4382   // (see below).
4383   bool is_fork =
4384       // Must start from a tab showing about:blank, which is later redirected.
4385       old_url == GURL(url::kAboutBlankURL) &&
4386       // Must be the first real navigation of the tab.
4387       render_view_->historyBackListCount() < 1 &&
4388       render_view_->historyForwardListCount() < 1 &&
4389       // The parent page must have set the child's window.opener to null before
4390       // redirecting to the desired URL.
4391       info.frame->opener() == NULL &&
4392       // Must be a top-level frame.
4393       info.frame->parent() == NULL &&
4394       // Must not have issued the request from this page.
4395       is_content_initiated &&
4396       // Must be targeted at the current tab.
4397       info.defaultPolicy == blink::WebNavigationPolicyCurrentTab &&
4398       // Must be a JavaScript navigation, which appears as "other".
4399       info.navigationType == blink::WebNavigationTypeOther;
4400
4401   if (is_fork) {
4402     // Open the URL via the browser, not via WebKit.
4403     OpenURL(info.frame, url, Referrer(), info.defaultPolicy);
4404     return blink::WebNavigationPolicyIgnore;
4405   }
4406
4407   // PlzNavigate: send the request to the browser if needed.
4408   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
4409           switches::kEnableBrowserSideNavigation) &&
4410       info.urlRequest.checkForBrowserSideNavigation()) {
4411     BeginNavigation(&info.urlRequest);
4412     return blink::WebNavigationPolicyIgnore;
4413   }
4414
4415   return info.defaultPolicy;
4416 }
4417
4418 void RenderFrameImpl::OpenURL(WebFrame* frame,
4419                               const GURL& url,
4420                               const Referrer& referrer,
4421                               WebNavigationPolicy policy) {
4422   DCHECK_EQ(frame_, frame);
4423
4424   FrameHostMsg_OpenURL_Params params;
4425   params.url = url;
4426   params.referrer = referrer;
4427   params.disposition = RenderViewImpl::NavigationPolicyToDisposition(policy);
4428   WebDataSource* ds = frame->provisionalDataSource();
4429   if (ds) {
4430     DocumentState* document_state = DocumentState::FromDataSource(ds);
4431     NavigationStateImpl* navigation_state =
4432         static_cast<NavigationStateImpl*>(document_state->navigation_state());
4433     if (navigation_state->IsContentInitiated()) {
4434       params.should_replace_current_entry =
4435           ds->replacesCurrentHistoryItem() &&
4436           render_view_->history_list_length_;
4437     } else {
4438       // This is necessary to preserve the should_replace_current_entry value on
4439       // cross-process redirects, in the event it was set by a previous process.
4440       //
4441       // TODO(davidben): Avoid this awkward duplication of state. See comment on
4442       // NavigationState::should_replace_current_entry().
4443       params.should_replace_current_entry =
4444           navigation_state->start_params().should_replace_current_entry;
4445     }
4446   } else {
4447     params.should_replace_current_entry = false;
4448   }
4449   params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
4450   if (GetContentClient()->renderer()->AllowPopup())
4451     params.user_gesture = true;
4452
4453   if (policy == blink::WebNavigationPolicyNewBackgroundTab ||
4454       policy == blink::WebNavigationPolicyNewForegroundTab ||
4455       policy == blink::WebNavigationPolicyNewWindow ||
4456       policy == blink::WebNavigationPolicyNewPopup) {
4457     WebUserGestureIndicator::consumeUserGesture();
4458   }
4459
4460   Send(new FrameHostMsg_OpenURL(routing_id_, params));
4461 }
4462
4463 void RenderFrameImpl::UpdateEncoding(WebFrame* frame,
4464                                      const std::string& encoding_name) {
4465   // Only update main frame's encoding_name.
4466   if (!frame->parent())
4467     Send(new FrameHostMsg_UpdateEncoding(routing_id_, encoding_name));
4468 }
4469
4470 void RenderFrameImpl::SyncSelectionIfRequired() {
4471   base::string16 text;
4472   size_t offset;
4473   gfx::Range range;
4474 #if defined(ENABLE_PLUGINS)
4475   if (render_view_->focused_pepper_plugin_) {
4476     render_view_->focused_pepper_plugin_->GetSurroundingText(&text, &range);
4477     offset = 0;  // Pepper API does not support offset reporting.
4478     // TODO(kinaba): cut as needed.
4479   } else
4480 #endif
4481   {
4482     size_t location, length;
4483     if (!GetRenderWidget()->webwidget()->caretOrSelectionRange(
4484             &location, &length)) {
4485       return;
4486     }
4487
4488     range = gfx::Range(location, location + length);
4489
4490     if (GetRenderWidget()->webwidget()->textInputInfo().type !=
4491             blink::WebTextInputTypeNone) {
4492       // If current focused element is editable, we will send 100 more chars
4493       // before and after selection. It is for input method surrounding text
4494       // feature.
4495       if (location > kExtraCharsBeforeAndAfterSelection)
4496         offset = location - kExtraCharsBeforeAndAfterSelection;
4497       else
4498         offset = 0;
4499       length = location + length - offset + kExtraCharsBeforeAndAfterSelection;
4500       WebRange webrange = WebRange::fromDocumentRange(frame_, offset, length);
4501       if (!webrange.isNull())
4502         text = webrange.toPlainText();
4503     } else {
4504       offset = location;
4505       text = frame_->selectionAsText();
4506       // http://crbug.com/101435
4507       // In some case, frame->selectionAsText() returned text's length is not
4508       // equal to the length returned from webwidget()->caretOrSelectionRange().
4509       // So we have to set the range according to text.length().
4510       range.set_end(range.start() + text.length());
4511     }
4512   }
4513
4514   // Sometimes we get repeated didChangeSelection calls from webkit when
4515   // the selection hasn't actually changed. We don't want to report these
4516   // because it will cause us to continually claim the X clipboard.
4517   if (selection_text_offset_ != offset ||
4518       selection_range_ != range ||
4519       selection_text_ != text) {
4520     selection_text_ = text;
4521     selection_text_offset_ = offset;
4522     selection_range_ = range;
4523     SetSelectedText(text, offset, range);
4524   }
4525   GetRenderWidget()->UpdateSelectionBounds();
4526 }
4527
4528 void RenderFrameImpl::InitializeUserMediaClient() {
4529   if (!RenderThreadImpl::current())  // Will be NULL during unit tests.
4530     return;
4531
4532 #if defined(OS_ANDROID)
4533   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
4534           switches::kDisableWebRTC))
4535     return;
4536 #endif
4537
4538 #if defined(ENABLE_WEBRTC)
4539   DCHECK(!web_user_media_client_);
4540   web_user_media_client_ = new UserMediaClientImpl(
4541       this,
4542       RenderThreadImpl::current()->GetPeerConnectionDependencyFactory(),
4543       make_scoped_ptr(new MediaStreamDispatcher(this)).Pass());
4544 #endif
4545 }
4546
4547 WebMediaPlayer* RenderFrameImpl::CreateWebMediaPlayerForMediaStream(
4548     const blink::WebURL& url,
4549     WebMediaPlayerClient* client) {
4550 #if defined(ENABLE_WEBRTC)
4551 #if defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL)
4552   bool found_neon =
4553       (android_getCpuFeatures() & ANDROID_CPU_ARM_FEATURE_NEON) != 0;
4554   UMA_HISTOGRAM_BOOLEAN("Platform.WebRtcNEONFound", found_neon);
4555 #endif  // defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL)
4556   return new WebMediaPlayerMS(frame_, client, weak_factory_.GetWeakPtr(),
4557                               new RenderMediaLog(),
4558                               CreateRendererFactory());
4559 #else
4560   return NULL;
4561 #endif  // defined(ENABLE_WEBRTC)
4562 }
4563
4564 scoped_ptr<MediaStreamRendererFactory>
4565 RenderFrameImpl::CreateRendererFactory() {
4566 #if defined(ENABLE_WEBRTC)
4567   return scoped_ptr<MediaStreamRendererFactory>(
4568       new MediaStreamRendererFactory());
4569 #else
4570   return scoped_ptr<MediaStreamRendererFactory>(
4571       static_cast<MediaStreamRendererFactory*>(NULL));
4572 #endif
4573 }
4574
4575 bool RenderFrameImpl::PrepareRenderViewForNavigation(
4576     const GURL& url,
4577     bool is_history_navigation,
4578     const RequestNavigationParams& request_params,
4579     bool* is_reload,
4580     WebURLRequest::CachePolicy* cache_policy) {
4581   MaybeHandleDebugURL(url);
4582   if (!render_view_->webview())
4583     return false;
4584
4585   FOR_EACH_OBSERVER(
4586       RenderViewObserver, render_view_->observers_, Navigate(url));
4587
4588   // If this is a stale back/forward (due to a recent navigation the browser
4589   // didn't know about), ignore it. Only check if swapped in because if the
4590   // frame is swapped out, it won't commit before asking the browser.
4591   if (!render_view_->is_swapped_out() && is_history_navigation &&
4592       render_view_->history_list_offset_ !=
4593           request_params.current_history_list_offset) {
4594     return false;
4595   }
4596
4597   render_view_->history_list_offset_ =
4598       request_params.current_history_list_offset;
4599   render_view_->history_list_length_ =
4600       request_params.current_history_list_length;
4601   if (request_params.should_clear_history_list) {
4602     CHECK_EQ(-1, render_view_->history_list_offset_);
4603     CHECK_EQ(0, render_view_->history_list_length_);
4604   }
4605
4606   if (!is_swapped_out_ || frame_->parent())
4607     return true;
4608
4609   // This is a swapped out main frame, so swap the renderer back in.
4610   // We marked the view as hidden when swapping the view out, so be sure to
4611   // reset the visibility state before navigating to the new URL.
4612   render_view_->webview()->setVisibilityState(
4613       render_view_->visibilityState(), false);
4614
4615   // If this is an attempt to reload while we are swapped out, we should not
4616   // reload swappedout://, but the previous page, which is stored in
4617   // params.state.  Setting is_reload to false will treat this like a back
4618   // navigation to accomplish that.
4619   *is_reload = false;
4620   *cache_policy = WebURLRequest::ReloadIgnoringCacheData;
4621
4622   // We refresh timezone when a view is swapped in since timezone
4623   // can get out of sync when the system timezone is updated while
4624   // the view is swapped out.
4625   RenderThreadImpl::NotifyTimezoneChange();
4626
4627   render_view_->SetSwappedOut(false);
4628   is_swapped_out_ = false;
4629   return true;
4630 }
4631
4632 void RenderFrameImpl::BeginNavigation(blink::WebURLRequest* request) {
4633   CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch(
4634       switches::kEnableBrowserSideNavigation));
4635   DCHECK(request);
4636   // TODO(clamy): Execute the beforeunload event.
4637
4638   // Note: At this stage, the goal is to apply all the modifications the
4639   // renderer wants to make to the request, and then send it to the browser, so
4640   // that the actual network request can be started. Ideally, all such
4641   // modifications should take place in willSendRequest, and in the
4642   // implementation of willSendRequest for the various InspectorAgents
4643   // (devtools).
4644   //
4645   // TODO(clamy): Apply devtools override.
4646   // TODO(clamy): Make sure that navigation requests are not modified somewhere
4647   // else in blink.
4648   willSendRequest(frame_, 0, *request, blink::WebURLResponse());
4649
4650   // TODO(clamy): Same-document navigations should not be sent back to the
4651   // browser.
4652   // TODO(clamy): Data urls should not be sent back to the browser either.
4653   Send(new FrameHostMsg_DidStartLoading(routing_id_, true));
4654   Send(new FrameHostMsg_BeginNavigation(
4655         routing_id_, MakeCommonNavigationParams(request),
4656         BeginNavigationParams(request->httpMethod().latin1(),
4657                               GetWebURLRequestHeaders(*request),
4658                               GetLoadFlagsForWebURLRequest(*request),
4659                               request->hasUserGesture()),
4660         GetRequestBodyForWebURLRequest(*request)));
4661 }
4662
4663 void RenderFrameImpl::LoadDataURL(const CommonNavigationParams& params,
4664                                   WebFrame* frame) {
4665   // A loadData request with a specified base URL.
4666   std::string mime_type, charset, data;
4667   if (net::DataURL::Parse(params.url, &mime_type, &charset, &data)) {
4668     const GURL base_url = params.base_url_for_data_url.is_empty() ?
4669         params.url : params.base_url_for_data_url;
4670     frame->loadData(
4671         WebData(data.c_str(), data.length()),
4672         WebString::fromUTF8(mime_type),
4673         WebString::fromUTF8(charset),
4674         base_url,
4675         params.history_url_for_data_url,
4676         false);
4677   } else {
4678     CHECK(false) << "Invalid URL passed: "
4679                  << params.url.possibly_invalid_spec();
4680   }
4681 }
4682
4683 void RenderFrameImpl::SendFailedProvisionalLoad(
4684     const blink::WebURLRequest& request,
4685     const blink::WebURLError& error,
4686     blink::WebLocalFrame* frame) {
4687   bool show_repost_interstitial = (error.reason == net::ERR_CACHE_MISS &&
4688                                    EqualsASCII(request.httpMethod(), "POST"));
4689
4690   FrameHostMsg_DidFailProvisionalLoadWithError_Params params;
4691   params.error_code = error.reason;
4692   GetContentClient()->renderer()->GetNavigationErrorStrings(
4693       render_view_.get(), frame, request, error, NULL,
4694       &params.error_description);
4695   params.url = error.unreachableURL;
4696   params.showing_repost_interstitial = show_repost_interstitial;
4697   Send(new FrameHostMsg_DidFailProvisionalLoadWithError(routing_id_, params));
4698 }
4699
4700 bool RenderFrameImpl::ShouldDisplayErrorPageForFailedLoad(
4701     int error_code,
4702     const GURL& unreachable_url) {
4703   // Don't display an error page if this is simply a cancelled load.  Aside
4704   // from being dumb, Blink doesn't expect it and it will cause a crash.
4705   if (error_code == net::ERR_ABORTED)
4706     return false;
4707
4708   // Don't display "client blocked" error page if browser has asked us not to.
4709   if (error_code == net::ERR_BLOCKED_BY_CLIENT &&
4710       render_view_->renderer_preferences_.disable_client_blocked_error_page) {
4711     return false;
4712   }
4713
4714   // Allow the embedder to suppress an error page.
4715   if (GetContentClient()->renderer()->ShouldSuppressErrorPage(
4716           this, unreachable_url)) {
4717     return false;
4718   }
4719
4720   if (RenderThreadImpl::current() &&
4721       RenderThreadImpl::current()->layout_test_mode()) {
4722     return false;
4723   }
4724
4725   return true;
4726 }
4727
4728 GURL RenderFrameImpl::GetLoadingUrl() const {
4729   WebDataSource* ds = frame_->dataSource();
4730   if (ds->hasUnreachableURL())
4731     return ds->unreachableURL();
4732
4733   const WebURLRequest& request = ds->request();
4734   return request.url();
4735 }
4736
4737 void RenderFrameImpl::PopulateDocumentStateFromPending(
4738     DocumentState* document_state) {
4739   document_state->set_request_time(
4740       pending_navigation_params_->request_params.request_time);
4741
4742   InternalDocumentStateData* internal_data =
4743       InternalDocumentStateData::FromDocumentState(document_state);
4744
4745   if (!pending_navigation_params_->common_params.url.SchemeIs(
4746           url::kJavaScriptScheme) &&
4747       pending_navigation_params_->common_params.navigation_type ==
4748           FrameMsg_Navigate_Type::RESTORE) {
4749     // We're doing a load of a page that was restored from the last session. By
4750     // default this prefers the cache over loading (LOAD_PREFERRING_CACHE) which
4751     // can result in stale data for pages that are set to expire. We explicitly
4752     // override that by setting the policy here so that as necessary we load
4753     // from the network.
4754     //
4755     // TODO(davidben): Remove this in favor of passing a cache policy to the
4756     // loadHistoryItem call in OnNavigate. That requires not overloading
4757     // UseProtocolCachePolicy to mean both "normal load" and "determine cache
4758     // policy based on load type, etc".
4759     internal_data->set_cache_policy_override(
4760         WebURLRequest::UseProtocolCachePolicy);
4761   }
4762
4763   if (IsReload(pending_navigation_params_->common_params.navigation_type))
4764     document_state->set_load_type(DocumentState::RELOAD);
4765   else if (pending_navigation_params_->request_params.page_state.IsValid())
4766     document_state->set_load_type(DocumentState::HISTORY_LOAD);
4767   else
4768     document_state->set_load_type(DocumentState::NORMAL_LOAD);
4769
4770   internal_data->set_is_overriding_user_agent(
4771       pending_navigation_params_->request_params.is_overriding_user_agent);
4772   internal_data->set_must_reset_scroll_and_scale_state(
4773       pending_navigation_params_->common_params.navigation_type ==
4774       FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL);
4775   document_state->set_can_load_local_resources(
4776       pending_navigation_params_->request_params.can_load_local_resources);
4777 }
4778
4779 NavigationState* RenderFrameImpl::CreateNavigationStateFromPending() {
4780   // A navigation resulting from loading a javascript URL should not be treated
4781   // as a browser initiated event.  Instead, we want it to look as if the page
4782   // initiated any load resulting from JS execution.
4783   if (!pending_navigation_params_->common_params.url.SchemeIs(
4784           url::kJavaScriptScheme)) {
4785     return NavigationStateImpl::CreateBrowserInitiated(
4786         pending_navigation_params_->common_params,
4787         pending_navigation_params_->start_params,
4788         pending_navigation_params_->request_params);
4789   }
4790   return NavigationStateImpl::CreateContentInitiated();
4791 }
4792
4793 #if defined(OS_ANDROID)
4794
4795 WebMediaPlayer* RenderFrameImpl::CreateAndroidWebMediaPlayer(
4796     const blink::WebURL& url,
4797     WebMediaPlayerClient* client,
4798     media::MediaPermission* media_permission,
4799     blink::WebContentDecryptionModule* initial_cdm) {
4800   GpuChannelHost* gpu_channel_host =
4801       RenderThreadImpl::current()->EstablishGpuChannelSync(
4802           CAUSE_FOR_GPU_LAUNCH_VIDEODECODEACCELERATOR_INITIALIZE);
4803   if (!gpu_channel_host) {
4804     LOG(ERROR) << "Failed to establish GPU channel for media player";
4805     return NULL;
4806   }
4807
4808   scoped_refptr<StreamTextureFactory> stream_texture_factory;
4809   if (SynchronousCompositorFactory* factory =
4810           SynchronousCompositorFactory::GetInstance()) {
4811     stream_texture_factory = factory->CreateStreamTextureFactory(routing_id_);
4812   } else {
4813     scoped_refptr<cc_blink::ContextProviderWebContext> context_provider =
4814         RenderThreadImpl::current()->SharedMainThreadContextProvider();
4815
4816     if (!context_provider.get()) {
4817       LOG(ERROR) << "Failed to get context3d for media player";
4818       return NULL;
4819     }
4820
4821     stream_texture_factory = StreamTextureFactoryImpl::Create(
4822         context_provider, gpu_channel_host, routing_id_);
4823   }
4824
4825   return new WebMediaPlayerAndroid(
4826       frame_, client, weak_factory_.GetWeakPtr(), GetMediaPlayerManager(),
4827       GetCdmFactory(), media_permission, initial_cdm, stream_texture_factory,
4828       RenderThreadImpl::current()->GetMediaThreadTaskRunner(),
4829       new RenderMediaLog());
4830 }
4831
4832 RendererMediaPlayerManager* RenderFrameImpl::GetMediaPlayerManager() {
4833   if (!media_player_manager_)
4834     media_player_manager_ = new RendererMediaPlayerManager(this);
4835   return media_player_manager_;
4836 }
4837
4838 #endif  // defined(OS_ANDROID)
4839
4840 media::MediaPermission* RenderFrameImpl::GetMediaPermission() {
4841   if (!media_permission_dispatcher_)
4842     media_permission_dispatcher_ = new MediaPermissionDispatcher(this);
4843   return media_permission_dispatcher_;
4844 }
4845
4846 media::CdmFactory* RenderFrameImpl::GetCdmFactory() {
4847 #if defined(ENABLE_BROWSER_CDMS)
4848   if (!cdm_manager_)
4849     cdm_manager_ = new RendererCdmManager(this);
4850 #endif  // defined(ENABLE_BROWSER_CDMS)
4851
4852   if (!cdm_factory_) {
4853     DCHECK(frame_);
4854     cdm_factory_ = new RenderCdmFactory(
4855 #if defined(ENABLE_PEPPER_CDMS)
4856         base::Bind(&PepperCdmWrapperImpl::Create, frame_),
4857 #elif defined(ENABLE_BROWSER_CDMS)
4858         cdm_manager_,
4859 #endif
4860         this);
4861   }
4862
4863   return cdm_factory_;
4864 }
4865
4866 }  // namespace content