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/kill.h"
  18 #include "base/process/process.h"
  19 #include "base/strings/string16.h"
  20 #include "base/strings/utf_string_conversions.h"
  21 #include "base/time/time.h"
  22 #include "content/child/appcache/appcache_dispatcher.h"
  23 #include "content/child/plugin_messages.h"
  24 #include "content/child/quota_dispatcher.h"
  25 #include "content/child/request_extra_data.h"
  26 #include "content/child/service_worker/service_worker_handle_reference.h"
  27 #include "content/child/service_worker/service_worker_network_provider.h"
  28 #include "content/child/service_worker/service_worker_provider_context.h"
  29 #include "content/child/service_worker/web_service_worker_provider_impl.h"
  30 #include "content/child/web_url_loader_impl.h"
  31 #include "content/child/web_url_request_util.h"
  32 #include "content/child/webmessageportchannel_impl.h"
  33 #include "content/child/websocket_bridge.h"
  34 #include "content/child/weburlresponse_extradata_impl.h"
  35 #include "content/common/clipboard_messages.h"
  36 #include "content/common/frame_messages.h"
  37 #include "content/common/input_messages.h"
  38 #include "content/common/service_worker/service_worker_types.h"
  39 #include "content/common/swapped_out_messages.h"
  40 #include "content/common/view_messages.h"
  41 #include "content/public/common/bindings_policy.h"
  42 #include "content/public/common/content_constants.h"
  43 #include "content/public/common/content_switches.h"
  44 #include "content/public/common/context_menu_params.h"
  45 #include "content/public/common/page_state.h"
  46 #include "content/public/common/resource_response.h"
  47 #include "content/public/common/url_constants.h"
  48 #include "content/public/common/url_utils.h"
  49 #include "content/public/renderer/browser_plugin_delegate.h"
  50 #include "content/public/renderer/content_renderer_client.h"
  51 #include "content/public/renderer/context_menu_client.h"
  52 #include "content/public/renderer/document_state.h"
  53 #include "content/public/renderer/navigation_state.h"
  54 #include "content/public/renderer/render_frame_observer.h"
  55 #include "content/public/renderer/renderer_ppapi_host.h"
  56 #include "content/renderer/accessibility/renderer_accessibility.h"
  57 #include "content/renderer/browser_plugin/browser_plugin.h"
  58 #include "content/renderer/browser_plugin/browser_plugin_manager.h"
  59 #include "content/renderer/child_frame_compositing_helper.h"
  60 #include "content/renderer/context_menu_params_builder.h"
  61 #include "content/renderer/devtools/devtools_agent.h"
  62 #include "content/renderer/dom_automation_controller.h"
  63 #include "content/renderer/dom_utils.h"
  64 #include "content/renderer/external_popup_menu.h"
  65 #include "content/renderer/geolocation_dispatcher.h"
  66 #include "content/renderer/history_controller.h"
  67 #include "content/renderer/history_serialization.h"
  68 #include "content/renderer/image_loading_helper.h"
  69 #include "content/renderer/ime_event_guard.h"
  70 #include "content/renderer/internal_document_state_data.h"
  71 #include "content/renderer/manifest/manifest_manager.h"
  72 #include "content/renderer/media/audio_renderer_mixer_manager.h"
  73 #include "content/renderer/media/crypto/render_cdm_factory.h"
  74 #include "content/renderer/media/media_stream_dispatcher.h"
  75 #include "content/renderer/media/media_stream_renderer_factory.h"
  76 #include "content/renderer/media/midi_dispatcher.h"
  77 #include "content/renderer/media/render_media_log.h"
  78 #include "content/renderer/media/user_media_client_impl.h"
  79 #include "content/renderer/media/webmediaplayer_ms.h"
  80 #include "content/renderer/mojo/service_registry_js_wrapper.h"
  81 #include "content/renderer/notification_permission_dispatcher.h"
  82 #include "content/renderer/npapi/plugin_channel_host.h"
  83 #include "content/renderer/push_messaging_dispatcher.h"
  84 #include "content/renderer/render_frame_proxy.h"
  85 #include "content/renderer/render_process.h"
  86 #include "content/renderer/render_thread_impl.h"
  87 #include "content/renderer/render_view_impl.h"
  88 #include "content/renderer/render_widget_fullscreen_pepper.h"
  89 #include "content/renderer/renderer_webapplicationcachehost_impl.h"
  90 #include "content/renderer/renderer_webcolorchooser_impl.h"
  91 #include "content/renderer/screen_orientation/screen_orientation_dispatcher.h"
  92 #include "content/renderer/shared_worker_repository.h"
  93 #include "content/renderer/v8_value_converter_impl.h"
  94 #include "content/renderer/websharedworker_proxy.h"
  95 #include "gin/modules/module_registry.h"
  96 #include "media/base/audio_renderer_mixer_input.h"
  97 #include "media/base/renderer.h"
  98 #include "media/blink/encrypted_media_player_support.h"
  99 #include "media/blink/webcontentdecryptionmodule_impl.h"
 100 #include "media/blink/webmediaplayer_impl.h"
 101 #include "media/blink/webmediaplayer_params.h"
 102 #include "media/filters/gpu_video_accelerator_factories.h"
 103 #include "mojo/edk/js/core.h"
 104 #include "mojo/edk/js/support.h"
 105 #include "net/base/data_url.h"
 106 #include "net/base/net_errors.h"
 107 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
 108 #include "net/http/http_util.h"
 109 #include "third_party/WebKit/public/platform/WebStorageQuotaCallbacks.h"
 110 #include "third_party/WebKit/public/platform/WebString.h"
 111 #include "third_party/WebKit/public/platform/WebURL.h"
 112 #include "third_party/WebKit/public/platform/WebURLError.h"
 113 #include "third_party/WebKit/public/platform/WebURLResponse.h"
 114 #include "third_party/WebKit/public/platform/WebVector.h"
 115 #include "third_party/WebKit/public/web/WebColorSuggestion.h"
 116 #include "third_party/WebKit/public/web/WebDocument.h"
 117 #include "third_party/WebKit/public/web/WebGlyphCache.h"
 118 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 119 #include "third_party/WebKit/public/web/WebMediaStreamRegistry.h"
 120 #include "third_party/WebKit/public/web/WebNavigationPolicy.h"
 121 #include "third_party/WebKit/public/web/WebPlugin.h"
 122 #include "third_party/WebKit/public/web/WebPluginParams.h"
 123 #include "third_party/WebKit/public/web/WebPluginPlaceholder.h"
 124 #include "third_party/WebKit/public/web/WebRange.h"
 125 #include "third_party/WebKit/public/web/WebScriptSource.h"
 126 #include "third_party/WebKit/public/web/WebSearchableFormData.h"
 127 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
 128 #include "third_party/WebKit/public/web/WebSecurityPolicy.h"
 129 #include "third_party/WebKit/public/web/WebSurroundingText.h"
 130 #include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
 131 #include "third_party/WebKit/public/web/WebView.h"
 132
 133 #if defined(ENABLE_PLUGINS)
 134 #include "content/renderer/npapi/webplugin_impl.h"
 135 #include "content/renderer/pepper/pepper_browser_connection.h"
 136 #include "content/renderer/pepper/pepper_plugin_instance_impl.h"
 137 #include "content/renderer/pepper/pepper_webplugin_impl.h"
 138 #include "content/renderer/pepper/plugin_module.h"
 139 #include "content/renderer/pepper/plugin_power_saver_helper.h"
 140 #endif
 141
 142 #if defined(ENABLE_WEBRTC)
 143 #include "content/renderer/media/rtc_peer_connection_handler.h"
 144 #endif
 145
 146 #if defined(OS_ANDROID)
 147 #include <cpu-features.h>
 148
 149 #include "content/common/gpu/client/context_provider_command_buffer.h"
 150 #include "content/renderer/android/synchronous_compositor_factory.h"
 151 #include "content/renderer/java/gin_java_bridge_dispatcher.h"
 152 #include "content/renderer/media/android/renderer_media_player_manager.h"
 153 #include "content/renderer/media/android/stream_texture_factory_impl.h"
 154 #include "content/renderer/media/android/webmediaplayer_android.h"
 155 #endif
 156
 157 #if defined(ENABLE_PEPPER_CDMS)
 158 #include "content/renderer/media/crypto/pepper_cdm_wrapper_impl.h"
 159 #elif defined(ENABLE_BROWSER_CDMS)
 160 #include "content/renderer/media/crypto/renderer_cdm_manager.h"
 161 #endif
 162
 163 using blink::WebContextMenuData;
 164 using blink::WebData;
 165 using blink::WebDataSource;
 166 using blink::WebDocument;
 167 using blink::WebElement;
 168 using blink::WebExternalPopupMenu;
 169 using blink::WebExternalPopupMenuClient;
 170 using blink::WebFrame;
 171 using blink::WebHistoryItem;
 172 using blink::WebHTTPBody;
 173 using blink::WebLocalFrame;
 174 using blink::WebMediaPlayer;
 175 using blink::WebMediaPlayerClient;
 176 using blink::WebNavigationPolicy;
 177 using blink::WebNavigationType;
 178 using blink::WebNode;
 179 using blink::WebPluginParams;
 180 using blink::WebPopupMenuInfo;
 181 using blink::WebRange;
 182 using blink::WebReferrerPolicy;
 183 using blink::WebScriptSource;
 184 using blink::WebSearchableFormData;
 185 using blink::WebSecurityOrigin;
 186 using blink::WebSecurityPolicy;
 187 using blink::WebServiceWorkerProvider;
 188 using blink::WebStorageQuotaCallbacks;
 189 using blink::WebString;
 190 using blink::WebURL;
 191 using blink::WebURLError;
 192 using blink::WebURLRequest;
 193 using blink::WebURLResponse;
 194 using blink::WebUserGestureIndicator;
 195 using blink::WebVector;
 196 using blink::WebView;
 197 using base::Time;
 198 using base::TimeDelta;
 199
 200 namespace content {
 201
 202 namespace {
 203
 204 const char kDefaultAcceptHeader[] =
 205     "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/"
 206     "*;q=0.8";
 207 const char kAcceptHeader[] = "Accept";
 208
 209 const size_t kExtraCharsBeforeAndAfterSelection = 100;
 210
 211 typedef std::map<int, RenderFrameImpl*> RoutingIDFrameMap;
 212 static base::LazyInstance<RoutingIDFrameMap> g_routing_id_frame_map =
 213     LAZY_INSTANCE_INITIALIZER;
 214
 215 typedef std::map<blink::WebFrame*, RenderFrameImpl*> FrameMap;
 216 base::LazyInstance<FrameMap> g_frame_map = LAZY_INSTANCE_INITIALIZER;
 217
 218 int64 ExtractPostId(const WebHistoryItem& item) {
 219   if (item.isNull())
 220     return -1;
 221
 222   if (item.httpBody().isNull())
 223     return -1;
 224
 225   return item.httpBody().identifier();
 226 }
 227
 228 WebURLResponseExtraDataImpl* GetExtraDataFromResponse(
 229     const WebURLResponse& response) {
 230   return static_cast<WebURLResponseExtraDataImpl*>(response.extraData());
 231 }
 232
 233 void GetRedirectChain(WebDataSource* ds, std::vector<GURL>* result) {
 234   // Replace any occurrences of swappedout:// with about:blank.
 235   const WebURL& blank_url = GURL(url::kAboutBlankURL);
 236   WebVector<WebURL> urls;
 237   ds->redirectChain(urls);
 238   result->reserve(urls.size());
 239   for (size_t i = 0; i < urls.size(); ++i) {
 240     if (urls[i] != GURL(kSwappedOutURL))
 241       result->push_back(urls[i]);
 242     else
 243       result->push_back(blank_url);
 244   }
 245 }
 246
 247 // Returns the original request url. If there is no redirect, the original
 248 // url is the same as ds->request()->url(). If the WebDataSource belongs to a
 249 // frame was loaded by loadData, the original url will be ds->unreachableURL()
 250 static GURL GetOriginalRequestURL(WebDataSource* ds) {
 251   // WebDataSource has unreachable URL means that the frame is loaded through
 252   // blink::WebFrame::loadData(), and the base URL will be in the redirect
 253   // chain. However, we never visited the baseURL. So in this case, we should
 254   // use the unreachable URL as the original URL.
 255   if (ds->hasUnreachableURL())
 256     return ds->unreachableURL();
 257
 258   std::vector<GURL> redirects;
 259   GetRedirectChain(ds, &redirects);
 260   if (!redirects.empty())
 261     return redirects.at(0);
 262
 263   return ds->originalRequest().url();
 264 }
 265
 266 NOINLINE static void CrashIntentionally() {
 267   // NOTE(shess): Crash directly rather than using NOTREACHED() so
 268   // that the signature is easier to triage in crash reports.
 269   volatile int* zero = NULL;
 270   *zero = 0;
 271 }
 272
 273 #if defined(ADDRESS_SANITIZER) || defined(SYZYASAN)
 274 NOINLINE static void MaybeTriggerAsanError(const GURL& url) {
 275   // NOTE(rogerm): We intentionally perform an invalid heap access here in
 276   //     order to trigger an Address Sanitizer (ASAN) error report.
 277   const char kCrashDomain[] = "crash";
 278   const char kHeapOverflow[] = "/heap-overflow";
 279   const char kHeapUnderflow[] = "/heap-underflow";
 280   const char kUseAfterFree[] = "/use-after-free";
 281 #if defined(SYZYASAN)
 282   const char kCorruptHeapBlock[] = "/corrupt-heap-block";
 283   const char kCorruptHeap[] = "/corrupt-heap";
 284 #endif
 285
 286   if (!url.DomainIs(kCrashDomain, sizeof(kCrashDomain) - 1))
 287     return;
 288
 289   if (!url.has_path())
 290     return;
 291
 292   std::string crash_type(url.path());
 293   if (crash_type == kHeapOverflow) {
 294     base::debug::AsanHeapOverflow();
 295   } else if (crash_type == kHeapUnderflow ) {
 296     base::debug::AsanHeapUnderflow();
 297   } else if (crash_type == kUseAfterFree) {
 298     base::debug::AsanHeapUseAfterFree();
 299 #if defined(SYZYASAN)
 300   } else if (crash_type == kCorruptHeapBlock) {
 301     base::debug::AsanCorruptHeapBlock();
 302   } else if (crash_type == kCorruptHeap) {
 303     base::debug::AsanCorruptHeap();
 304 #endif
 305   }
 306 }
 307 #endif  // ADDRESS_SANITIZER || SYZYASAN
 308
 309 static void MaybeHandleDebugURL(const GURL& url) {
 310   if (!url.SchemeIs(kChromeUIScheme))
 311     return;
 312   if (url == GURL(kChromeUICrashURL)) {
 313     CrashIntentionally();
 314   } else if (url == GURL(kChromeUIDumpURL)) {
 315     // This URL will only correctly create a crash dump file if content is
 316     // hosted in a process that has correctly called
 317     // base::debug::SetDumpWithoutCrashingFunction.  Refer to the documentation
 318     // of base::debug::DumpWithoutCrashing for more details.
 319     base::debug::DumpWithoutCrashing();
 320   } else if (url == GURL(kChromeUIKillURL)) {
 321     base::KillProcess(base::GetCurrentProcessHandle(), 1, false);
 322   } else if (url == GURL(kChromeUIHangURL)) {
 323     for (;;) {
 324       base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(1));
 325     }
 326   } else if (url == GURL(kChromeUIShorthangURL)) {
 327     base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(20));
 328   }
 329
 330 #if defined(ADDRESS_SANITIZER) || defined(SYZYASAN)
 331   MaybeTriggerAsanError(url);
 332 #endif  // ADDRESS_SANITIZER || SYZYASAN
 333 }
 334
 335 // Returns false unless this is a top-level navigation.
 336 static bool IsTopLevelNavigation(WebFrame* frame) {
 337   return frame->parent() == NULL;
 338 }
 339
 340 // Returns false unless this is a top-level navigation that crosses origins.
 341 static bool IsNonLocalTopLevelNavigation(const GURL& url,
 342                                          WebFrame* frame,
 343                                          WebNavigationType type,
 344                                          bool is_form_post) {
 345   if (!IsTopLevelNavigation(frame))
 346     return false;
 347
 348   // Navigations initiated within Webkit are not sent out to the external host
 349   // in the following cases.
 350   // 1. The url scheme is not http/https
 351   // 2. The origin of the url and the opener is the same in which case the
 352   //    opener relationship is maintained.
 353   // 3. Reloads/form submits/back forward navigations
 354   if (!url.SchemeIs(url::kHttpScheme) && !url.SchemeIs(url::kHttpsScheme))
 355     return false;
 356
 357   if (type != blink::WebNavigationTypeReload &&
 358       type != blink::WebNavigationTypeBackForward && !is_form_post) {
 359     // The opener relationship between the new window and the parent allows the
 360     // new window to script the parent and vice versa. This is not allowed if
 361     // the origins of the two domains are different. This can be treated as a
 362     // top level navigation and routed back to the host.
 363     blink::WebFrame* opener = frame->opener();
 364     if (!opener)
 365       return true;
 366
 367     if (url.GetOrigin() != GURL(opener->document().url()).GetOrigin())
 368       return true;
 369   }
 370   return false;
 371 }
 372
 373 WebURLRequest CreateURLRequestForNavigation(
 374     const CommonNavigationParams& common_params,
 375     const RequestNavigationParams& request_params,
 376     scoped_ptr<StreamOverrideParameters> stream_override,
 377     bool is_view_source_mode_enabled) {
 378   WebURLRequest request(common_params.url);
 379   if (is_view_source_mode_enabled)
 380     request.setCachePolicy(WebURLRequest::ReturnCacheDataElseLoad);
 381
 382   if (common_params.referrer.url.is_valid()) {
 383     WebString web_referrer = WebSecurityPolicy::generateReferrerHeader(
 384         common_params.referrer.policy,
 385         common_params.url,
 386         WebString::fromUTF8(common_params.referrer.url.spec()));
 387     if (!web_referrer.isEmpty())
 388       request.setHTTPReferrer(web_referrer, common_params.referrer.policy);
 389   }
 390
 391   if (!request_params.extra_headers.empty()) {
 392     for (net::HttpUtil::HeadersIterator i(request_params.extra_headers.begin(),
 393                                           request_params.extra_headers.end(),
 394                                           "\n");
 395          i.GetNext();) {
 396       request.addHTTPHeaderField(WebString::fromUTF8(i.name()),
 397                                  WebString::fromUTF8(i.values()));
 398     }
 399   }
 400
 401   if (request_params.is_post) {
 402     request.setHTTPMethod(WebString::fromUTF8("POST"));
 403
 404     // Set post data.
 405     WebHTTPBody http_body;
 406     http_body.initialize();
 407     const char* data = NULL;
 408     if (request_params.browser_initiated_post_data.size()) {
 409       data = reinterpret_cast<const char*>(
 410           &request_params.browser_initiated_post_data.front());
 411     }
 412     http_body.appendData(
 413         WebData(data, request_params.browser_initiated_post_data.size()));
 414     request.setHTTPBody(http_body);
 415   }
 416
 417   RequestExtraData* extra_data = new RequestExtraData();
 418   extra_data->set_stream_override(stream_override.Pass());
 419   request.setExtraData(extra_data);
 420   return request;
 421 }
 422
 423 void UpdateFrameNavigationTiming(WebFrame* frame,
 424                                  base::TimeTicks browser_navigation_start,
 425                                  base::TimeTicks renderer_navigation_start) {
 426   // The browser provides the navigation_start time to bootstrap the
 427   // Navigation Timing information for the browser-initiated navigations. In
 428   // case of cross-process navigations, this carries over the time of
 429   // finishing the onbeforeunload handler of the previous page.
 430   DCHECK(!browser_navigation_start.is_null());
 431   if (frame->provisionalDataSource()) {
 432     // |browser_navigation_start| is likely before this process existed, so we
 433     // can't use InterProcessTimeTicksConverter. We need at least to ensure
 434     // that the browser-side navigation start we set is not later than the one
 435     // on the renderer side.
 436     base::TimeTicks navigation_start = std::min(
 437         browser_navigation_start, renderer_navigation_start);
 438     double navigation_start_seconds =
 439         (navigation_start - base::TimeTicks()).InSecondsF();
 440     frame->provisionalDataSource()->setNavigationStartTime(
 441         navigation_start_seconds);
 442     // TODO(clamy): We need to provide additional timing values for the
 443     // Navigation Timing API to work with browser-side navigations.
 444   }
 445 }
 446
 447 // PlzNavigate
 448 FrameHostMsg_BeginNavigation_Params MakeBeginNavigationParams(
 449     blink::WebURLRequest* request) {
 450   FrameHostMsg_BeginNavigation_Params params;
 451   params.method = request->httpMethod().latin1();
 452   params.headers = GetWebURLRequestHeaders(*request);
 453   params.load_flags = GetLoadFlagsForWebURLRequest(*request);
 454   // TODO(clamy): fill the http body.
 455   params.has_user_gesture = request->hasUserGesture();
 456   return params;
 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   CommonNavigationParams params;
 468   params.url = request->url();
 469   params.referrer = Referrer(
 470       GURL(request->httpHeaderField(WebString::fromUTF8("Referer")).latin1()),
 471       request->referrerPolicy());
 472   params.transition = extra_data->transition_type();
 473   return params;
 474 }
 475
 476 }  // namespace
 477
 478 static RenderFrameImpl* (*g_create_render_frame_impl)(RenderViewImpl*, int32) =
 479     NULL;
 480
 481 // static
 482 RenderFrameImpl* RenderFrameImpl::Create(RenderViewImpl* render_view,
 483                                          int32 routing_id) {
 484   DCHECK(routing_id != MSG_ROUTING_NONE);
 485
 486   if (g_create_render_frame_impl)
 487     return g_create_render_frame_impl(render_view, routing_id);
 488   else
 489     return new RenderFrameImpl(render_view, routing_id);
 490 }
 491
 492 // static
 493 RenderFrameImpl* RenderFrameImpl::FromRoutingID(int32 routing_id) {
 494   RoutingIDFrameMap::iterator iter =
 495       g_routing_id_frame_map.Get().find(routing_id);
 496   if (iter != g_routing_id_frame_map.Get().end())
 497     return iter->second;
 498   return NULL;
 499 }
 500
 501 // static
 502 void RenderFrameImpl::CreateFrame(int routing_id,
 503                                   int parent_routing_id,
 504                                   int proxy_routing_id) {
 505   // TODO(nasko): For now, this message is only sent for subframes, as the
 506   // top level frame is created when the RenderView is created through the
 507   // ViewMsg_New IPC.
 508   CHECK_NE(MSG_ROUTING_NONE, parent_routing_id);
 509
 510   blink::WebLocalFrame* web_frame;
 511   RenderFrameImpl* render_frame;
 512   if (proxy_routing_id == MSG_ROUTING_NONE) {
 513     RenderFrameProxy* parent_proxy =
 514         RenderFrameProxy::FromRoutingID(parent_routing_id);
 515     // If the browser is sending a valid parent routing id, it should already
 516     // be created and registered.
 517     CHECK(parent_proxy);
 518     blink::WebRemoteFrame* parent_web_frame = parent_proxy->web_frame();
 519
 520     // Create the RenderFrame and WebLocalFrame, linking the two.
 521     render_frame =
 522         RenderFrameImpl::Create(parent_proxy->render_view(), routing_id);
 523     web_frame = parent_web_frame->createLocalChild("", render_frame);
 524   } else {
 525     RenderFrameProxy* proxy =
 526         RenderFrameProxy::FromRoutingID(proxy_routing_id);
 527     CHECK(proxy);
 528     render_frame = RenderFrameImpl::Create(proxy->render_view(), routing_id);
 529     web_frame = blink::WebLocalFrame::create(render_frame);
 530     render_frame->proxy_routing_id_ = proxy_routing_id;
 531     web_frame->initializeToReplaceRemoteFrame(proxy->web_frame());
 532   }
 533   render_frame->SetWebFrame(web_frame);
 534   render_frame->Initialize();
 535 }
 536
 537 // static
 538 RenderFrame* RenderFrame::FromWebFrame(blink::WebFrame* web_frame) {
 539   return RenderFrameImpl::FromWebFrame(web_frame);
 540 }
 541
 542 // static
 543 RenderFrameImpl* RenderFrameImpl::FromWebFrame(blink::WebFrame* web_frame) {
 544   FrameMap::iterator iter = g_frame_map.Get().find(web_frame);
 545   if (iter != g_frame_map.Get().end())
 546     return iter->second;
 547   return NULL;
 548 }
 549
 550 // static
 551 void RenderFrameImpl::InstallCreateHook(
 552     RenderFrameImpl* (*create_render_frame_impl)(RenderViewImpl*, int32)) {
 553   CHECK(!g_create_render_frame_impl);
 554   g_create_render_frame_impl = create_render_frame_impl;
 555 }
 556
 557 // RenderFrameImpl ----------------------------------------------------------
 558 RenderFrameImpl::RenderFrameImpl(RenderViewImpl* render_view, int routing_id)
 559     : frame_(NULL),
 560       render_view_(render_view->AsWeakPtr()),
 561       routing_id_(routing_id),
 562       is_swapped_out_(false),
 563       render_frame_proxy_(NULL),
 564       is_detaching_(false),
 565       proxy_routing_id_(MSG_ROUTING_NONE),
 566 #if defined(ENABLE_PLUGINS)
 567       plugin_power_saver_helper_(NULL),
 568 #endif
 569       cookie_jar_(this),
 570       selection_text_offset_(0),
 571       selection_range_(gfx::Range::InvalidRange()),
 572       handling_select_range_(false),
 573       notification_permission_dispatcher_(NULL),
 574       web_user_media_client_(NULL),
 575       midi_dispatcher_(NULL),
 576 #if defined(OS_ANDROID)
 577       media_player_manager_(NULL),
 578 #endif
 579 #if defined(ENABLE_BROWSER_CDMS)
 580       cdm_manager_(NULL),
 581 #endif
 582 #if defined(VIDEO_HOLE)
 583       contains_media_player_(false),
 584 #endif
 585       geolocation_dispatcher_(NULL),
 586       push_messaging_dispatcher_(NULL),
 587       screen_orientation_dispatcher_(NULL),
 588       manifest_manager_(NULL),
 589       accessibility_mode_(AccessibilityModeOff),
 590       renderer_accessibility_(NULL),
 591       weak_factory_(this) {
 592   std::pair<RoutingIDFrameMap::iterator, bool> result =
 593       g_routing_id_frame_map.Get().insert(std::make_pair(routing_id_, this));
 594   CHECK(result.second) << "Inserting a duplicate item.";
 595
 596   RenderThread::Get()->AddRoute(routing_id_, this);
 597
 598   render_view_->RegisterRenderFrame(this);
 599
 600   // Everything below subclasses RenderFrameObserver and is automatically
 601   // deleted when the RenderFrame gets deleted.
 602 #if defined(OS_ANDROID)
 603   new GinJavaBridgeDispatcher(this);
 604 #endif
 605
 606 #if defined(ENABLE_PLUGINS)
 607   plugin_power_saver_helper_ = new PluginPowerSaverHelper(this);
 608 #endif
 609
 610   manifest_manager_ = new ManifestManager(this);
 611 }
 612
 613 RenderFrameImpl::~RenderFrameImpl() {
 614   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, RenderFrameGone());
 615   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, OnDestruct());
 616
 617 #if defined(VIDEO_HOLE)
 618   if (contains_media_player_)
 619     render_view_->UnregisterVideoHoleFrame(this);
 620 #endif
 621
 622   if (render_frame_proxy_)
 623     delete render_frame_proxy_;
 624
 625   render_view_->UnregisterRenderFrame(this);
 626   g_routing_id_frame_map.Get().erase(routing_id_);
 627   RenderThread::Get()->RemoveRoute(routing_id_);
 628 }
 629
 630 void RenderFrameImpl::SetWebFrame(blink::WebLocalFrame* web_frame) {
 631   DCHECK(!frame_);
 632
 633   std::pair<FrameMap::iterator, bool> result = g_frame_map.Get().insert(
 634       std::make_pair(web_frame, this));
 635   CHECK(result.second) << "Inserting a duplicate item.";
 636
 637   frame_ = web_frame;
 638 }
 639
 640 void RenderFrameImpl::Initialize() {
 641 #if defined(ENABLE_PLUGINS)
 642   new PepperBrowserConnection(this);
 643 #endif
 644   new SharedWorkerRepository(this);
 645
 646   if (!frame_->parent())
 647     new ImageLoadingHelper(this);
 648
 649   // We delay calling this until we have the WebFrame so that any observer or
 650   // embedder can call GetWebFrame on any RenderFrame.
 651   GetContentClient()->renderer()->RenderFrameCreated(this);
 652 }
 653
 654 RenderWidget* RenderFrameImpl::GetRenderWidget() {
 655   return render_view_.get();
 656 }
 657
 658 #if defined(ENABLE_PLUGINS)
 659 void RenderFrameImpl::PepperPluginCreated(RendererPpapiHost* host) {
 660   FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
 661                     DidCreatePepperPlugin(host));
 662   if (host->GetPluginName() == kFlashPluginName) {
 663     RenderThread::Get()->RecordAction(
 664         base::UserMetricsAction("FrameLoadWithFlash"));
 665   }
 666 }
 667
 668 void RenderFrameImpl::PepperDidChangeCursor(
 669     PepperPluginInstanceImpl* instance,
 670     const blink::WebCursorInfo& cursor) {
 671   // Update the cursor appearance immediately if the requesting plugin is the
 672   // one which receives the last mouse event. Otherwise, the new cursor won't be
 673   // picked up until the plugin gets the next input event. That is bad if, e.g.,
 674   // the plugin would like to set an invisible cursor when there isn't any user
 675   // input for a while.
 676   if (instance == render_view_->pepper_last_mouse_event_target())
 677     GetRenderWidget()->didChangeCursor(cursor);
 678 }
 679
 680 void RenderFrameImpl::PepperDidReceiveMouseEvent(
 681     PepperPluginInstanceImpl* instance) {
 682   render_view_->set_pepper_last_mouse_event_target(instance);
 683 }
 684
 685 void RenderFrameImpl::PepperTextInputTypeChanged(
 686     PepperPluginInstanceImpl* instance) {
 687   if (instance != render_view_->focused_pepper_plugin())
 688     return;
 689
 690   GetRenderWidget()->UpdateTextInputType();
 691   if (renderer_accessibility())
 692     renderer_accessibility()->FocusedNodeChanged(WebNode());
 693 }
 694
 695 void RenderFrameImpl::PepperCaretPositionChanged(
 696     PepperPluginInstanceImpl* instance) {
 697   if (instance != render_view_->focused_pepper_plugin())
 698     return;
 699   GetRenderWidget()->UpdateSelectionBounds();
 700 }
 701
 702 void RenderFrameImpl::PepperCancelComposition(
 703     PepperPluginInstanceImpl* instance) {
 704   if (instance != render_view_->focused_pepper_plugin())
 705     return;
 706   Send(new InputHostMsg_ImeCancelComposition(render_view_->GetRoutingID()));;
 707 #if defined(OS_MACOSX) || defined(USE_AURA)
 708   GetRenderWidget()->UpdateCompositionInfo(true);
 709 #endif
 710 }
 711
 712 void RenderFrameImpl::PepperSelectionChanged(
 713     PepperPluginInstanceImpl* instance) {
 714   if (instance != render_view_->focused_pepper_plugin())
 715     return;
 716   SyncSelectionIfRequired();
 717 }
 718
 719 RenderWidgetFullscreenPepper* RenderFrameImpl::CreatePepperFullscreenContainer(
 720     PepperPluginInstanceImpl* plugin) {
 721   GURL active_url;
 722   if (render_view_->webview() && render_view_->webview()->mainFrame())
 723     active_url = GURL(render_view_->webview()->mainFrame()->document().url());
 724   RenderWidgetFullscreenPepper* widget = RenderWidgetFullscreenPepper::Create(
 725       GetRenderWidget()->routing_id(), plugin, active_url,
 726       GetRenderWidget()->screenInfo());
 727   widget->show(blink::WebNavigationPolicyIgnore);
 728   return widget;
 729 }
 730
 731 bool RenderFrameImpl::IsPepperAcceptingCompositionEvents() const {
 732   if (!render_view_->focused_pepper_plugin())
 733     return false;
 734   return render_view_->focused_pepper_plugin()->
 735       IsPluginAcceptingCompositionEvents();
 736 }
 737
 738 void RenderFrameImpl::PluginCrashed(const base::FilePath& plugin_path,
 739                                    base::ProcessId plugin_pid) {
 740   // TODO(jam): dispatch this IPC in RenderFrameHost and switch to use
 741   // routing_id_ as a result.
 742   Send(new FrameHostMsg_PluginCrashed(routing_id_, plugin_path, plugin_pid));
 743 }
 744
 745 void RenderFrameImpl::SimulateImeSetComposition(
 746     const base::string16& text,
 747     const std::vector<blink::WebCompositionUnderline>& underlines,
 748     int selection_start,
 749     int selection_end) {
 750   render_view_->OnImeSetComposition(
 751       text, underlines, selection_start, selection_end);
 752 }
 753
 754 void RenderFrameImpl::SimulateImeConfirmComposition(
 755     const base::string16& text,
 756     const gfx::Range& replacement_range) {
 757   render_view_->OnImeConfirmComposition(text, replacement_range, false);
 758 }
 759
 760 void RenderFrameImpl::OnImeSetComposition(
 761     const base::string16& text,
 762     const std::vector<blink::WebCompositionUnderline>& underlines,
 763     int selection_start,
 764     int selection_end) {
 765   // When a PPAPI plugin has focus, we bypass WebKit.
 766   if (!IsPepperAcceptingCompositionEvents()) {
 767     pepper_composition_text_ = text;
 768   } else {
 769     // TODO(kinaba) currently all composition events are sent directly to
 770     // plugins. Use DOM event mechanism after WebKit is made aware about
 771     // plugins that support composition.
 772     // The code below mimics the behavior of WebCore::Editor::setComposition.
 773
 774     // Empty -> nonempty: composition started.
 775     if (pepper_composition_text_.empty() && !text.empty()) {
 776       render_view_->focused_pepper_plugin()->HandleCompositionStart(
 777           base::string16());
 778     }
 779     // Nonempty -> empty: composition canceled.
 780     if (!pepper_composition_text_.empty() && text.empty()) {
 781       render_view_->focused_pepper_plugin()->HandleCompositionEnd(
 782           base::string16());
 783     }
 784     pepper_composition_text_ = text;
 785     // Nonempty: composition is ongoing.
 786     if (!pepper_composition_text_.empty()) {
 787       render_view_->focused_pepper_plugin()->HandleCompositionUpdate(
 788           pepper_composition_text_, underlines, selection_start,
 789           selection_end);
 790     }
 791   }
 792 }
 793
 794 void RenderFrameImpl::OnImeConfirmComposition(
 795     const base::string16& text,
 796     const gfx::Range& replacement_range,
 797     bool keep_selection) {
 798   // When a PPAPI plugin has focus, we bypass WebKit.
 799   // Here, text.empty() has a special meaning. It means to commit the last
 800   // update of composition text (see
 801   // RenderWidgetHost::ImeConfirmComposition()).
 802   const base::string16& last_text = text.empty() ? pepper_composition_text_
 803                                                  : text;
 804
 805   // last_text is empty only when both text and pepper_composition_text_ is.
 806   // Ignore it.
 807   if (last_text.empty())
 808     return;
 809
 810   if (!IsPepperAcceptingCompositionEvents()) {
 811     base::i18n::UTF16CharIterator iterator(&last_text);
 812     int32 i = 0;
 813     while (iterator.Advance()) {
 814       blink::WebKeyboardEvent char_event;
 815       char_event.type = blink::WebInputEvent::Char;
 816       char_event.timeStampSeconds = base::Time::Now().ToDoubleT();
 817       char_event.modifiers = 0;
 818       char_event.windowsKeyCode = last_text[i];
 819       char_event.nativeKeyCode = last_text[i];
 820
 821       const int32 char_start = i;
 822       for (; i < iterator.array_pos(); ++i) {
 823         char_event.text[i - char_start] = last_text[i];
 824         char_event.unmodifiedText[i - char_start] = last_text[i];
 825       }
 826
 827       if (GetRenderWidget()->webwidget())
 828         GetRenderWidget()->webwidget()->handleInputEvent(char_event);
 829     }
 830   } else {
 831     // Mimics the order of events sent by WebKit.
 832     // See WebCore::Editor::setComposition() for the corresponding code.
 833     render_view_->focused_pepper_plugin()->HandleCompositionEnd(last_text);
 834     render_view_->focused_pepper_plugin()->HandleTextInput(last_text);
 835   }
 836   pepper_composition_text_.clear();
 837 }
 838
 839 PluginPowerSaverHelper* RenderFrameImpl::plugin_power_saver_helper() {
 840   DCHECK(plugin_power_saver_helper_);
 841   return plugin_power_saver_helper_;
 842 }
 843 #endif  // defined(ENABLE_PLUGINS)
 844
 845 MediaStreamDispatcher* RenderFrameImpl::GetMediaStreamDispatcher() {
 846   if (!web_user_media_client_)
 847     InitializeUserMediaClient();
 848   return web_user_media_client_ ?
 849       web_user_media_client_->media_stream_dispatcher() : NULL;
 850 }
 851
 852 bool RenderFrameImpl::Send(IPC::Message* message) {
 853   if (is_detaching_) {
 854     delete message;
 855     return false;
 856   }
 857   if (is_swapped_out_) {
 858     if (!SwappedOutMessages::CanSendWhileSwappedOut(message)) {
 859       delete message;
 860       return false;
 861     }
 862   }
 863
 864   return RenderThread::Get()->Send(message);
 865 }
 866
 867 #if defined(OS_MACOSX) || defined(OS_ANDROID)
 868 void RenderFrameImpl::DidHideExternalPopupMenu() {
 869   // We need to clear external_popup_menu_ as soon as ExternalPopupMenu::close
 870   // is called. Otherwise, createExternalPopupMenu() for new popup will fail.
 871   external_popup_menu_.reset();
 872 }
 873 #endif
 874
 875 bool RenderFrameImpl::OnMessageReceived(const IPC::Message& msg) {
 876   // TODO(kenrb): document() should not be null, but as a transitional step
 877   // we have RenderFrameProxy 'wrapping' a RenderFrameImpl, passing messages
 878   // to this method. This happens for a top-level remote frame, where a
 879   // document-less RenderFrame is replaced by a RenderFrameProxy but kept
 880   // around and is still able to receive messages.
 881   if (!frame_->document().isNull())
 882     GetContentClient()->SetActiveURL(frame_->document().url());
 883
 884   ObserverListBase<RenderFrameObserver>::Iterator it(observers_);
 885   RenderFrameObserver* observer;
 886   while ((observer = it.GetNext()) != NULL) {
 887     if (observer->OnMessageReceived(msg))
 888       return true;
 889   }
 890
 891   bool handled = true;
 892   IPC_BEGIN_MESSAGE_MAP(RenderFrameImpl, msg)
 893     IPC_MESSAGE_HANDLER(FrameMsg_Navigate, OnNavigate)
 894     IPC_MESSAGE_HANDLER(FrameMsg_BeforeUnload, OnBeforeUnload)
 895     IPC_MESSAGE_HANDLER(FrameMsg_SwapOut, OnSwapOut)
 896     IPC_MESSAGE_HANDLER(FrameMsg_Stop, OnStop)
 897     IPC_MESSAGE_HANDLER(FrameMsg_ContextMenuClosed, OnContextMenuClosed)
 898     IPC_MESSAGE_HANDLER(FrameMsg_CustomContextMenuAction,
 899                         OnCustomContextMenuAction)
 900     IPC_MESSAGE_HANDLER(InputMsg_Undo, OnUndo)
 901     IPC_MESSAGE_HANDLER(InputMsg_Redo, OnRedo)
 902     IPC_MESSAGE_HANDLER(InputMsg_Cut, OnCut)
 903     IPC_MESSAGE_HANDLER(InputMsg_Copy, OnCopy)
 904     IPC_MESSAGE_HANDLER(InputMsg_Paste, OnPaste)
 905     IPC_MESSAGE_HANDLER(InputMsg_PasteAndMatchStyle, OnPasteAndMatchStyle)
 906     IPC_MESSAGE_HANDLER(InputMsg_Delete, OnDelete)
 907     IPC_MESSAGE_HANDLER(InputMsg_SelectAll, OnSelectAll)
 908     IPC_MESSAGE_HANDLER(InputMsg_SelectRange, OnSelectRange)
 909     IPC_MESSAGE_HANDLER(InputMsg_Unselect, OnUnselect)
 910     IPC_MESSAGE_HANDLER(InputMsg_MoveRangeSelectionExtent,
 911                         OnMoveRangeSelectionExtent)
 912     IPC_MESSAGE_HANDLER(InputMsg_Replace, OnReplace)
 913     IPC_MESSAGE_HANDLER(InputMsg_ReplaceMisspelling, OnReplaceMisspelling)
 914     IPC_MESSAGE_HANDLER(InputMsg_ExtendSelectionAndDelete,
 915                         OnExtendSelectionAndDelete)
 916     IPC_MESSAGE_HANDLER(InputMsg_SetCompositionFromExistingText,
 917                         OnSetCompositionFromExistingText)
 918     IPC_MESSAGE_HANDLER(FrameMsg_CSSInsertRequest, OnCSSInsertRequest)
 919     IPC_MESSAGE_HANDLER(FrameMsg_JavaScriptExecuteRequest,
 920                         OnJavaScriptExecuteRequest)
 921     IPC_MESSAGE_HANDLER(FrameMsg_JavaScriptExecuteRequestForTests,
 922                         OnJavaScriptExecuteRequestForTests)
 923     IPC_MESSAGE_HANDLER(FrameMsg_SetEditableSelectionOffsets,
 924                         OnSetEditableSelectionOffsets)
 925     IPC_MESSAGE_HANDLER(FrameMsg_SetupTransitionView, OnSetupTransitionView)
 926     IPC_MESSAGE_HANDLER(FrameMsg_BeginExitTransition, OnBeginExitTransition)
 927     IPC_MESSAGE_HANDLER(FrameMsg_HideTransitionElements,
 928                         OnHideTransitionElements)
 929     IPC_MESSAGE_HANDLER(FrameMsg_ShowTransitionElements,
 930                         OnShowTransitionElements)
 931     IPC_MESSAGE_HANDLER(FrameMsg_Reload, OnReload)
 932     IPC_MESSAGE_HANDLER(FrameMsg_TextSurroundingSelectionRequest,
 933                         OnTextSurroundingSelectionRequest)
 934     IPC_MESSAGE_HANDLER(FrameMsg_AddStyleSheetByURL,
 935                         OnAddStyleSheetByURL)
 936     IPC_MESSAGE_HANDLER(FrameMsg_SetAccessibilityMode,
 937                         OnSetAccessibilityMode)
 938     IPC_MESSAGE_HANDLER(FrameMsg_DisownOpener, OnDisownOpener)
 939     IPC_MESSAGE_HANDLER(FrameMsg_RequestNavigation, OnRequestNavigation)
 940     IPC_MESSAGE_HANDLER(FrameMsg_CommitNavigation, OnCommitNavigation)
 941 #if defined(OS_ANDROID)
 942     IPC_MESSAGE_HANDLER(FrameMsg_SelectPopupMenuItems, OnSelectPopupMenuItems)
 943 #elif defined(OS_MACOSX)
 944     IPC_MESSAGE_HANDLER(FrameMsg_SelectPopupMenuItem, OnSelectPopupMenuItem)
 945     IPC_MESSAGE_HANDLER(InputMsg_CopyToFindPboard, OnCopyToFindPboard)
 946 #endif
 947   IPC_END_MESSAGE_MAP()
 948
 949   return handled;
 950 }
 951
 952 void RenderFrameImpl::OnNavigate(const FrameMsg_Navigate_Params& params) {
 953   TRACE_EVENT2("navigation", "RenderFrameImpl::OnNavigate",
 954                "id", routing_id_,
 955                "url", params.common_params.url.possibly_invalid_spec());
 956   bool is_reload =
 957       RenderViewImpl::IsReload(params.common_params.navigation_type);
 958   WebURLRequest::CachePolicy cache_policy =
 959       WebURLRequest::UseProtocolCachePolicy;
 960   if (!RenderFrameImpl::PrepareRenderViewForNavigation(
 961       params.common_params.url, params.common_params.navigation_type,
 962       params.commit_params.page_state, true, params.pending_history_list_offset,
 963       params.page_id, &is_reload, &cache_policy)) {
 964     return;
 965   }
 966
 967   int pending_history_list_offset = params.pending_history_list_offset;
 968   int current_history_list_offset = params.current_history_list_offset;
 969   int current_history_list_length = params.current_history_list_length;
 970   if (params.should_clear_history_list) {
 971     CHECK_EQ(pending_history_list_offset, -1);
 972     CHECK_EQ(current_history_list_offset, -1);
 973     CHECK_EQ(current_history_list_length, 0);
 974   }
 975   render_view_->history_list_offset_ = current_history_list_offset;
 976   render_view_->history_list_length_ = current_history_list_length;
 977   if (render_view_->history_list_length_ >= 0) {
 978     render_view_->history_page_ids_.resize(
 979         render_view_->history_list_length_, -1);
 980   }
 981   if (pending_history_list_offset >= 0 &&
 982       pending_history_list_offset < render_view_->history_list_length_) {
 983     render_view_->history_page_ids_[pending_history_list_offset] =
 984         params.page_id;
 985   }
 986
 987   GetContentClient()->SetActiveURL(params.common_params.url);
 988
 989   WebFrame* frame = frame_;
 990   if (!params.frame_to_navigate.empty()) {
 991     // TODO(nasko): Move this lookup to the browser process.
 992     frame = render_view_->webview()->findFrameByName(
 993         WebString::fromUTF8(params.frame_to_navigate));
 994     CHECK(frame) << "Invalid frame name passed: " << params.frame_to_navigate;
 995   }
 996
 997   if (is_reload && !render_view_->history_controller()->GetCurrentEntry()) {
 998     // We cannot reload if we do not have any history state.  This happens, for
 999     // example, when recovering from a crash.
1000     is_reload = false;
1001     cache_policy = WebURLRequest::ReloadIgnoringCacheData;
1002   }
1003
1004   render_view_->pending_navigation_params_.reset(
1005       new FrameMsg_Navigate_Params(params));
1006
1007   // If we are reloading, then WebKit will use the history state of the current
1008   // page, so we should just ignore any given history state.  Otherwise, if we
1009   // have history state, then we need to navigate to it, which corresponds to a
1010   // back/forward navigation event.
1011   if (is_reload) {
1012     bool reload_original_url =
1013         (params.common_params.navigation_type ==
1014          FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL);
1015     bool ignore_cache = (params.common_params.navigation_type ==
1016                          FrameMsg_Navigate_Type::RELOAD_IGNORING_CACHE);
1017
1018     if (reload_original_url)
1019       frame->reloadWithOverrideURL(params.common_params.url, true);
1020     else
1021       frame->reload(ignore_cache);
1022   } else if (params.commit_params.page_state.IsValid()) {
1023     // We must know the page ID of the page we are navigating back to.
1024     DCHECK_NE(params.page_id, -1);
1025     scoped_ptr<HistoryEntry> entry =
1026         PageStateToHistoryEntry(params.commit_params.page_state);
1027     if (entry) {
1028       // Ensure we didn't save the swapped out URL in UpdateState, since the
1029       // browser should never be telling us to navigate to swappedout://.
1030       CHECK(entry->root().urlString() != WebString::fromUTF8(kSwappedOutURL));
1031       render_view_->history_controller()->GoToEntry(entry.Pass(), cache_policy);
1032     }
1033   } else if (!params.base_url_for_data_url.is_empty()) {
1034     // A loadData request with a specified base URL.
1035     std::string mime_type, charset, data;
1036     if (net::DataURL::Parse(
1037             params.common_params.url, &mime_type, &charset, &data)) {
1038       frame->loadData(
1039           WebData(data.c_str(), data.length()),
1040           WebString::fromUTF8(mime_type),
1041           WebString::fromUTF8(charset),
1042           params.base_url_for_data_url,
1043           params.history_url_for_data_url,
1044           false);
1045     } else {
1046       CHECK(false) << "Invalid URL passed: "
1047                    << params.common_params.url.possibly_invalid_spec();
1048     }
1049   } else {
1050     // Navigate to the given URL.
1051     WebURLRequest request =
1052         CreateURLRequestForNavigation(params.common_params,
1053                                       params.request_params,
1054                                       scoped_ptr<StreamOverrideParameters>(),
1055                                       frame->isViewSourceModeEnabled());
1056
1057     // A session history navigation should have been accompanied by state.
1058     CHECK_EQ(params.page_id, -1);
1059
1060     // Record this before starting the load, we need a lower bound of this time
1061     // to sanitize the navigationStart override set below.
1062     base::TimeTicks renderer_navigation_start = base::TimeTicks::Now();
1063     frame->loadRequest(request);
1064
1065     UpdateFrameNavigationTiming(
1066         frame, params.commit_params.browser_navigation_start,
1067         renderer_navigation_start);
1068   }
1069
1070   // In case LoadRequest failed before DidCreateDataSource was called.
1071   render_view_->pending_navigation_params_.reset();
1072 }
1073
1074 void RenderFrameImpl::NavigateToSwappedOutURL() {
1075   // We use loadRequest instead of loadHTMLString because the former commits
1076   // synchronously.  Otherwise a new navigation can interrupt the navigation
1077   // to kSwappedOutURL. If that happens to be to the page we had been
1078   // showing, then WebKit will never send a commit and we'll be left spinning.
1079   // Set the is_swapped_out_ bit to true, so IPC filtering is in effect and
1080   // the navigation to swappedout:// is not announced to the browser side.
1081   is_swapped_out_ = true;
1082   GURL swappedOutURL(kSwappedOutURL);
1083   WebURLRequest request(swappedOutURL);
1084   frame_->loadRequest(request);
1085 }
1086
1087 void RenderFrameImpl::BindServiceRegistry(
1088     mojo::ScopedMessagePipeHandle service_provider_handle) {
1089   service_registry_.BindRemoteServiceProvider(service_provider_handle.Pass());
1090 }
1091
1092 ManifestManager* RenderFrameImpl::manifest_manager() {
1093   return manifest_manager_;
1094 }
1095
1096 void RenderFrameImpl::OnBeforeUnload() {
1097   TRACE_EVENT1("navigation", "RenderFrameImpl::OnBeforeUnload",
1098                "id", routing_id_);
1099   // TODO(creis): Right now, this is only called on the main frame.  Make the
1100   // browser process send dispatchBeforeUnloadEvent to every frame that needs
1101   // it.
1102   CHECK(!frame_->parent());
1103
1104   base::TimeTicks before_unload_start_time = base::TimeTicks::Now();
1105   bool proceed = frame_->dispatchBeforeUnloadEvent();
1106   base::TimeTicks before_unload_end_time = base::TimeTicks::Now();
1107   Send(new FrameHostMsg_BeforeUnload_ACK(routing_id_, proceed,
1108                                          before_unload_start_time,
1109                                          before_unload_end_time));
1110 }
1111
1112 void RenderFrameImpl::OnSwapOut(int proxy_routing_id) {
1113   TRACE_EVENT1("navigation", "RenderFrameImpl::OnSwapOut", "id", routing_id_);
1114   RenderFrameProxy* proxy = NULL;
1115   bool is_site_per_process =
1116       CommandLine::ForCurrentProcess()->HasSwitch(switches::kSitePerProcess);
1117   bool is_main_frame = !frame_->parent();
1118
1119   // Only run unload if we're not swapped out yet, but send the ack either way.
1120   if (!is_swapped_out_) {
1121     // Swap this RenderFrame out so the frame can navigate to a page rendered by
1122     // a different process.  This involves running the unload handler and
1123     // clearing the page.  We also allow this process to exit if there are no
1124     // other active RenderFrames in it.
1125
1126     // Send an UpdateState message before we get swapped out.
1127     render_view_->SyncNavigationState();
1128
1129     // If we need a proxy to replace this, create it now so its routing id is
1130     // registered for receiving IPC messages.
1131     if (proxy_routing_id != MSG_ROUTING_NONE) {
1132       proxy = RenderFrameProxy::CreateProxyToReplaceFrame(this,
1133                                                           proxy_routing_id);
1134     }
1135
1136     // Synchronously run the unload handler before sending the ACK.
1137     // TODO(creis): Call dispatchUnloadEvent unconditionally here to support
1138     // unload on subframes as well.
1139     if (is_main_frame)
1140       frame_->dispatchUnloadEvent();
1141
1142     // Swap out and stop sending any IPC messages that are not ACKs.
1143     if (is_main_frame)
1144       render_view_->SetSwappedOut(true);
1145     is_swapped_out_ = true;
1146
1147     // Now that we're swapped out and filtering IPC messages, stop loading to
1148     // ensure that no other in-progress navigation continues.  We do this here
1149     // to avoid sending a DidStopLoading message to the browser process.
1150     // TODO(creis): Should we be stopping all frames here and using
1151     // StopAltErrorPageFetcher with RenderView::OnStop, or just stopping this
1152     // frame?
1153     OnStop();
1154
1155     // Transfer settings such as initial drawing parameters to the remote frame,
1156     // if one is created, that will replace this frame.
1157     if (!is_main_frame && proxy)
1158       proxy->web_frame()->initializeFromFrame(frame_);
1159
1160     // Replace the page with a blank dummy URL. The unload handler will not be
1161     // run a second time, thanks to a check in FrameLoader::stopLoading.
1162     // TODO(creis): Need to add a better way to do this that avoids running the
1163     // beforeunload handler. For now, we just run it a second time silently.
1164     if (!is_site_per_process || is_main_frame)
1165       NavigateToSwappedOutURL();
1166
1167     // Let WebKit know that this view is hidden so it can drop resources and
1168     // stop compositing.
1169     // TODO(creis): Support this for subframes as well.
1170     if (is_main_frame) {
1171       render_view_->webview()->setVisibilityState(
1172           blink::WebPageVisibilityStateHidden, false);
1173     }
1174   }
1175
1176   // It is now safe to show modal dialogs again.
1177   // TODO(creis): Deal with modal dialogs from subframes.
1178   if (is_main_frame)
1179     render_view_->suppress_dialogs_until_swap_out_ = false;
1180
1181   Send(new FrameHostMsg_SwapOut_ACK(routing_id_));
1182
1183   // Now that all of the cleanup is complete and the browser side is notified,
1184   // start using the RenderFrameProxy, if one is created.
1185   if (proxy) {
1186     if (!is_main_frame) {
1187       frame_->swap(proxy->web_frame());
1188       if (is_site_per_process) {
1189         // TODO(nasko): delete the frame here, since we've replaced it with a
1190         // proxy.
1191       }
1192     } else {
1193       set_render_frame_proxy(proxy);
1194     }
1195   }
1196
1197   // Safe to exit if no one else is using the process.
1198   if (is_main_frame)
1199     render_view_->WasSwappedOut();
1200 }
1201
1202 void RenderFrameImpl::OnContextMenuClosed(
1203     const CustomContextMenuContext& custom_context) {
1204   if (custom_context.request_id) {
1205     // External request, should be in our map.
1206     ContextMenuClient* client =
1207         pending_context_menus_.Lookup(custom_context.request_id);
1208     if (client) {
1209       client->OnMenuClosed(custom_context.request_id);
1210       pending_context_menus_.Remove(custom_context.request_id);
1211     }
1212   } else {
1213     if (custom_context.link_followed.is_valid()) {
1214         frame_->sendPings(
1215             DomUtils::ExtractParentAnchorNode(context_menu_node_),
1216             custom_context.link_followed);
1217     }
1218     // Internal request, forward to WebKit.
1219     context_menu_node_.reset();
1220   }
1221 }
1222
1223 void RenderFrameImpl::OnCustomContextMenuAction(
1224     const CustomContextMenuContext& custom_context,
1225     unsigned action) {
1226   if (custom_context.request_id) {
1227     // External context menu request, look in our map.
1228     ContextMenuClient* client =
1229         pending_context_menus_.Lookup(custom_context.request_id);
1230     if (client)
1231       client->OnMenuAction(custom_context.request_id, action);
1232   } else {
1233     // Internal request, forward to WebKit.
1234     render_view_->webview()->performCustomContextMenuAction(action);
1235   }
1236 }
1237
1238 void RenderFrameImpl::OnUndo() {
1239   frame_->executeCommand(WebString::fromUTF8("Undo"), GetFocusedElement());
1240 }
1241
1242 void RenderFrameImpl::OnRedo() {
1243   frame_->executeCommand(WebString::fromUTF8("Redo"), GetFocusedElement());
1244 }
1245
1246 void RenderFrameImpl::OnCut() {
1247   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1248   frame_->executeCommand(WebString::fromUTF8("Cut"), GetFocusedElement());
1249 }
1250
1251 void RenderFrameImpl::OnCopy() {
1252   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1253   WebNode current_node = context_menu_node_.isNull() ?
1254       GetFocusedElement() : context_menu_node_;
1255   frame_->executeCommand(WebString::fromUTF8("Copy"), current_node);
1256 }
1257
1258 void RenderFrameImpl::OnPaste() {
1259   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1260   frame_->executeCommand(WebString::fromUTF8("Paste"), GetFocusedElement());
1261 }
1262
1263 void RenderFrameImpl::OnPasteAndMatchStyle() {
1264   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1265   frame_->executeCommand(
1266       WebString::fromUTF8("PasteAndMatchStyle"), GetFocusedElement());
1267 }
1268
1269 #if defined(OS_MACOSX)
1270 void RenderFrameImpl::OnCopyToFindPboard() {
1271   // Since the find pasteboard supports only plain text, this can be simpler
1272   // than the |OnCopy()| case.
1273   if (frame_->hasSelection()) {
1274     base::string16 selection = frame_->selectionAsText();
1275     RenderThread::Get()->Send(
1276         new ClipboardHostMsg_FindPboardWriteStringAsync(selection));
1277   }
1278 }
1279 #endif
1280
1281 void RenderFrameImpl::OnDelete() {
1282   frame_->executeCommand(WebString::fromUTF8("Delete"), GetFocusedElement());
1283 }
1284
1285 void RenderFrameImpl::OnSelectAll() {
1286   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1287   frame_->executeCommand(WebString::fromUTF8("SelectAll"), GetFocusedElement());
1288 }
1289
1290 void RenderFrameImpl::OnSelectRange(const gfx::Point& base,
1291                                     const gfx::Point& extent) {
1292   // This IPC is dispatched by RenderWidgetHost, so use its routing id.
1293   Send(new InputHostMsg_SelectRange_ACK(GetRenderWidget()->routing_id()));
1294
1295   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1296   frame_->selectRange(base, extent);
1297 }
1298
1299 void RenderFrameImpl::OnUnselect() {
1300   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1301   frame_->executeCommand(WebString::fromUTF8("Unselect"), GetFocusedElement());
1302 }
1303
1304 void RenderFrameImpl::OnMoveRangeSelectionExtent(const gfx::Point& point) {
1305   // This IPC is dispatched by RenderWidgetHost, so use its routing id.
1306   Send(new InputHostMsg_MoveRangeSelectionExtent_ACK(
1307       GetRenderWidget()->routing_id()));
1308
1309   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1310   frame_->moveRangeSelectionExtent(point);
1311 }
1312
1313 void RenderFrameImpl::OnReplace(const base::string16& text) {
1314   if (!frame_->hasSelection())
1315     frame_->selectWordAroundCaret();
1316
1317   frame_->replaceSelection(text);
1318 }
1319
1320 void RenderFrameImpl::OnReplaceMisspelling(const base::string16& text) {
1321   if (!frame_->hasSelection())
1322     return;
1323
1324   frame_->replaceMisspelledRange(text);
1325 }
1326
1327 void RenderFrameImpl::OnCSSInsertRequest(const std::string& css) {
1328   frame_->document().insertStyleSheet(WebString::fromUTF8(css));
1329 }
1330
1331 void RenderFrameImpl::OnJavaScriptExecuteRequest(
1332     const base::string16& jscript,
1333     int id,
1334     bool notify_result) {
1335   TRACE_EVENT_INSTANT0("test_tracing", "OnJavaScriptExecuteRequest",
1336                        TRACE_EVENT_SCOPE_THREAD);
1337
1338   v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
1339   v8::Handle<v8::Value> result =
1340       frame_->executeScriptAndReturnValue(WebScriptSource(jscript));
1341
1342   HandleJavascriptExecutionResult(jscript, id, notify_result, result);
1343 }
1344
1345 void RenderFrameImpl::OnJavaScriptExecuteRequestForTests(
1346     const base::string16& jscript,
1347     int id,
1348     bool notify_result) {
1349   TRACE_EVENT_INSTANT0("test_tracing", "OnJavaScriptExecuteRequestForTests",
1350                        TRACE_EVENT_SCOPE_THREAD);
1351
1352   v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
1353   v8::Handle<v8::Value> result =
1354       frame_->executeScriptAndReturnValueForTests(WebScriptSource(jscript));
1355
1356   HandleJavascriptExecutionResult(jscript, id, notify_result, result);
1357 }
1358
1359 void RenderFrameImpl::HandleJavascriptExecutionResult(
1360     const base::string16& jscript,
1361     int id,
1362     bool notify_result,
1363     v8::Handle<v8::Value> result) {
1364   if (notify_result) {
1365     base::ListValue list;
1366     if (!result.IsEmpty()) {
1367       v8::Local<v8::Context> context = frame_->mainWorldScriptContext();
1368       v8::Context::Scope context_scope(context);
1369       V8ValueConverterImpl converter;
1370       converter.SetDateAllowed(true);
1371       converter.SetRegExpAllowed(true);
1372       base::Value* result_value = converter.FromV8Value(result, context);
1373       list.Set(0, result_value ? result_value : base::Value::CreateNullValue());
1374     } else {
1375       list.Set(0, base::Value::CreateNullValue());
1376     }
1377     Send(new FrameHostMsg_JavaScriptExecuteResponse(routing_id_, id, list));
1378   }
1379 }
1380
1381 void RenderFrameImpl::OnSetEditableSelectionOffsets(int start, int end) {
1382   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1383   if (!GetRenderWidget()->ShouldHandleImeEvent())
1384     return;
1385   ImeEventGuard guard(GetRenderWidget());
1386   frame_->setEditableSelectionOffsets(start, end);
1387 }
1388
1389 void RenderFrameImpl::OnSetCompositionFromExistingText(
1390     int start, int end,
1391     const std::vector<blink::WebCompositionUnderline>& underlines) {
1392   if (!GetRenderWidget()->ShouldHandleImeEvent())
1393     return;
1394   ImeEventGuard guard(GetRenderWidget());
1395   frame_->setCompositionFromExistingText(start, end, underlines);
1396 }
1397
1398 void RenderFrameImpl::OnExtendSelectionAndDelete(int before, int after) {
1399   if (!GetRenderWidget()->ShouldHandleImeEvent())
1400     return;
1401   ImeEventGuard guard(GetRenderWidget());
1402   frame_->extendSelectionAndDelete(before, after);
1403 }
1404
1405 void RenderFrameImpl::OnSetAccessibilityMode(AccessibilityMode new_mode) {
1406   if (accessibility_mode_ == new_mode)
1407     return;
1408   accessibility_mode_ = new_mode;
1409   if (renderer_accessibility_) {
1410     // Note: this isn't called automatically by the destructor because
1411     // there'd be no point in calling it in frame teardown, only if there's
1412     // an accessibility mode change but the frame is persisting.
1413     renderer_accessibility_->DisableAccessibility();
1414
1415     delete renderer_accessibility_;
1416     renderer_accessibility_ = NULL;
1417   }
1418   if (accessibility_mode_ == AccessibilityModeOff)
1419     return;
1420
1421   if (accessibility_mode_ & AccessibilityModeFlagFullTree)
1422     renderer_accessibility_ = new RendererAccessibility(this);
1423 }
1424
1425 void RenderFrameImpl::OnDisownOpener() {
1426   // TODO(creis): We should only see this for main frames for now.  To support
1427   // disowning the opener on subframes, we will need to move WebContentsImpl's
1428   // opener_ to FrameTreeNode.
1429   CHECK(!frame_->parent());
1430
1431   if (frame_->opener())
1432     frame_->setOpener(NULL);
1433 }
1434
1435 #if defined(OS_ANDROID)
1436 void RenderFrameImpl::OnSelectPopupMenuItems(
1437     bool canceled,
1438     const std::vector<int>& selected_indices) {
1439   // It is possible to receive more than one of these calls if the user presses
1440   // a select faster than it takes for the show-select-popup IPC message to make
1441   // it to the browser UI thread. Ignore the extra-messages.
1442   // TODO(jcivelli): http:/b/5793321 Implement a better fix, as detailed in bug.
1443   if (!external_popup_menu_)
1444     return;
1445
1446   external_popup_menu_->DidSelectItems(canceled, selected_indices);
1447   external_popup_menu_.reset();
1448 }
1449 #endif
1450
1451 #if defined(OS_MACOSX)
1452 void RenderFrameImpl::OnSelectPopupMenuItem(int selected_index) {
1453   if (external_popup_menu_ == NULL)
1454     return;
1455   external_popup_menu_->DidSelectItem(selected_index);
1456   external_popup_menu_.reset();
1457 }
1458 #endif
1459
1460 void RenderFrameImpl::OnReload(bool ignore_cache) {
1461   frame_->reload(ignore_cache);
1462 }
1463
1464 void RenderFrameImpl::OnTextSurroundingSelectionRequest(size_t max_length) {
1465   blink::WebSurroundingText surroundingText;
1466   surroundingText.initialize(frame_->selectionRange(), max_length);
1467
1468   if (surroundingText.isNull()) {
1469     // |surroundingText| might not be correctly initialized, for example if
1470     // |frame_->selectionRange().isNull()|, in other words, if there was no
1471     // selection.
1472     Send(new FrameHostMsg_TextSurroundingSelectionResponse(
1473         routing_id_, base::string16(), 0, 0));
1474     return;
1475   }
1476
1477   Send(new FrameHostMsg_TextSurroundingSelectionResponse(
1478       routing_id_,
1479       surroundingText.textContent(),
1480       surroundingText.startOffsetInTextContent(),
1481       surroundingText.endOffsetInTextContent()));
1482 }
1483
1484 void RenderFrameImpl::OnAddStyleSheetByURL(const std::string& url) {
1485   frame_->addStyleSheetByURL(WebString::fromUTF8(url));
1486 }
1487
1488 void RenderFrameImpl::OnSetupTransitionView(const std::string& markup) {
1489   frame_->document().setIsTransitionDocument();
1490   frame_->navigateToSandboxedMarkup(WebData(markup.data(), markup.length()));
1491 }
1492
1493 void RenderFrameImpl::OnBeginExitTransition(const std::string& css_selector,
1494                                             bool exit_to_native_app) {
1495   frame_->document().setIsTransitionDocument();
1496   frame_->document().beginExitTransition(WebString::fromUTF8(css_selector),
1497                                          exit_to_native_app);
1498 }
1499
1500 void RenderFrameImpl::OnHideTransitionElements(
1501     const std::string& css_selector) {
1502   frame_->document().setIsTransitionDocument();
1503   frame_->document().hideTransitionElements(WebString::fromUTF8(css_selector));
1504 }
1505
1506 void RenderFrameImpl::OnShowTransitionElements(
1507     const std::string& css_selector) {
1508   frame_->document().setIsTransitionDocument();
1509   frame_->document().showTransitionElements(WebString::fromUTF8(css_selector));
1510 }
1511
1512 bool RenderFrameImpl::RunJavaScriptMessage(JavaScriptMessageType type,
1513                                            const base::string16& message,
1514                                            const base::string16& default_value,
1515                                            const GURL& frame_url,
1516                                            base::string16* result) {
1517   // Don't allow further dialogs if we are waiting to swap out, since the
1518   // PageGroupLoadDeferrer in our stack prevents it.
1519   if (render_view()->suppress_dialogs_until_swap_out_)
1520     return false;
1521
1522   bool success = false;
1523   base::string16 result_temp;
1524   if (!result)
1525     result = &result_temp;
1526
1527   render_view()->SendAndRunNestedMessageLoop(
1528       new FrameHostMsg_RunJavaScriptMessage(
1529         routing_id_, message, default_value, frame_url, type, &success,
1530         result));
1531   return success;
1532 }
1533
1534 void RenderFrameImpl::LoadNavigationErrorPage(
1535     const WebURLRequest& failed_request,
1536     const WebURLError& error,
1537     bool replace) {
1538   std::string error_html;
1539   GetContentClient()->renderer()->GetNavigationErrorStrings(
1540       render_view(), frame_, failed_request, error, &error_html, NULL);
1541
1542   frame_->loadHTMLString(error_html,
1543                          GURL(kUnreachableWebDataURL),
1544                          error.unreachableURL,
1545                          replace);
1546 }
1547
1548 void RenderFrameImpl::DidCommitCompositorFrame() {
1549   FOR_EACH_OBSERVER(
1550       RenderFrameObserver, observers_, DidCommitCompositorFrame());
1551 }
1552
1553 RenderView* RenderFrameImpl::GetRenderView() {
1554   return render_view_.get();
1555 }
1556
1557 int RenderFrameImpl::GetRoutingID() {
1558   return routing_id_;
1559 }
1560
1561 blink::WebLocalFrame* RenderFrameImpl::GetWebFrame() {
1562   DCHECK(frame_);
1563   return frame_;
1564 }
1565
1566 WebPreferences& RenderFrameImpl::GetWebkitPreferences() {
1567   return render_view_->GetWebkitPreferences();
1568 }
1569
1570 int RenderFrameImpl::ShowContextMenu(ContextMenuClient* client,
1571                                      const ContextMenuParams& params) {
1572   DCHECK(client);  // A null client means "internal" when we issue callbacks.
1573   ContextMenuParams our_params(params);
1574   our_params.custom_context.request_id = pending_context_menus_.Add(client);
1575   Send(new FrameHostMsg_ContextMenu(routing_id_, our_params));
1576   return our_params.custom_context.request_id;
1577 }
1578
1579 void RenderFrameImpl::CancelContextMenu(int request_id) {
1580   DCHECK(pending_context_menus_.Lookup(request_id));
1581   pending_context_menus_.Remove(request_id);
1582 }
1583
1584 blink::WebNode RenderFrameImpl::GetContextMenuNode() const {
1585   return context_menu_node_;
1586 }
1587
1588 blink::WebPlugin* RenderFrameImpl::CreatePlugin(
1589     blink::WebFrame* frame,
1590     const WebPluginInfo& info,
1591     const blink::WebPluginParams& params,
1592     CreatePluginGesture gesture) {
1593   DCHECK_EQ(frame_, frame);
1594 #if defined(ENABLE_PLUGINS)
1595   if (gesture == CREATE_PLUGIN_GESTURE_HAS_USER_GESTURE) {
1596     plugin_power_saver_helper_->WhitelistContentOrigin(
1597         GURL(params.url).GetOrigin());
1598   }
1599
1600   bool pepper_plugin_was_registered = false;
1601   scoped_refptr<PluginModule> pepper_module(PluginModule::Create(
1602       this, info, &pepper_plugin_was_registered));
1603   if (pepper_plugin_was_registered) {
1604     if (pepper_module.get()) {
1605       return new PepperWebPluginImpl(pepper_module.get(), params, this);
1606     }
1607   }
1608 #if defined(OS_CHROMEOS)
1609   LOG(WARNING) << "Pepper module/plugin creation failed.";
1610   return NULL;
1611 #else
1612   // TODO(jam): change to take RenderFrame.
1613   return new WebPluginImpl(frame, params, info.path, render_view_, this);
1614 #endif
1615 #else
1616   return NULL;
1617 #endif
1618 }
1619
1620 void RenderFrameImpl::LoadURLExternally(blink::WebLocalFrame* frame,
1621                                         const blink::WebURLRequest& request,
1622                                         blink::WebNavigationPolicy policy) {
1623   DCHECK(!frame_ || frame_ == frame);
1624   loadURLExternally(frame, request, policy, WebString());
1625 }
1626
1627 void RenderFrameImpl::ExecuteJavaScript(const base::string16& javascript) {
1628   OnJavaScriptExecuteRequest(javascript, 0, false);
1629 }
1630
1631 ServiceRegistry* RenderFrameImpl::GetServiceRegistry() {
1632   return &service_registry_;
1633 }
1634
1635 bool RenderFrameImpl::IsFTPDirectoryListing() {
1636   WebURLResponseExtraDataImpl* extra_data =
1637       GetExtraDataFromResponse(frame_->dataSource()->response());
1638   return extra_data ? extra_data->is_ftp_directory_listing() : false;
1639 }
1640
1641 void RenderFrameImpl::AttachGuest(int element_instance_id) {
1642   render_view_->GetBrowserPluginManager()->Attach(element_instance_id);
1643 }
1644
1645 void RenderFrameImpl::SetSelectedText(const base::string16& selection_text,
1646                                       size_t offset,
1647                                       const gfx::Range& range) {
1648   // Use the routing id of Render Widget Host.
1649   Send(new ViewHostMsg_SelectionChanged(GetRenderWidget()->routing_id(),
1650                                         selection_text,
1651                                         offset,
1652                                         range));
1653 }
1654
1655 void RenderFrameImpl::EnsureMojoBuiltinsAreAvailable(
1656     v8::Isolate* isolate,
1657     v8::Handle<v8::Context> context) {
1658   gin::ModuleRegistry* registry = gin::ModuleRegistry::From(context);
1659   if (registry->available_modules().count(mojo::js::Core::kModuleName))
1660     return;
1661
1662   v8::HandleScope handle_scope(isolate);
1663   registry->AddBuiltinModule(
1664       isolate, mojo::js::Core::kModuleName, mojo::js::Core::GetModule(isolate));
1665   registry->AddBuiltinModule(isolate,
1666                              mojo::js::Support::kModuleName,
1667                              mojo::js::Support::GetModule(isolate));
1668   registry->AddBuiltinModule(
1669       isolate,
1670       ServiceRegistryJsWrapper::kModuleName,
1671       ServiceRegistryJsWrapper::Create(isolate, &service_registry_).ToV8());
1672 }
1673
1674 // blink::WebFrameClient implementation ----------------------------------------
1675
1676 blink::WebPluginPlaceholder* RenderFrameImpl::createPluginPlaceholder(
1677     blink::WebLocalFrame* frame,
1678     const blink::WebPluginParams& params) {
1679   DCHECK_EQ(frame_, frame);
1680   return GetContentClient()
1681       ->renderer()
1682       ->CreatePluginPlaceholder(this, frame, params)
1683       .release();
1684 }
1685
1686 blink::WebPlugin* RenderFrameImpl::createPlugin(
1687     blink::WebLocalFrame* frame,
1688     const blink::WebPluginParams& params) {
1689   DCHECK_EQ(frame_, frame);
1690   blink::WebPlugin* plugin = NULL;
1691   if (GetContentClient()->renderer()->OverrideCreatePlugin(
1692           this, frame, params, &plugin)) {
1693     return plugin;
1694   }
1695
1696   if (base::UTF16ToUTF8(params.mimeType) == kBrowserPluginMimeType) {
1697     scoped_ptr<BrowserPluginDelegate> browser_plugin_delegate(
1698         GetContentClient()->renderer()->CreateBrowserPluginDelegate(this,
1699             kBrowserPluginMimeType, GURL(params.url)));
1700     return render_view_->GetBrowserPluginManager()->CreateBrowserPlugin(
1701         render_view_.get(), frame, browser_plugin_delegate.Pass());
1702   }
1703
1704 #if defined(ENABLE_PLUGINS)
1705   WebPluginInfo info;
1706   std::string mime_type;
1707   bool found = false;
1708   Send(new FrameHostMsg_GetPluginInfo(
1709       routing_id_, params.url, frame->top()->document().url(),
1710       params.mimeType.utf8(), &found, &info, &mime_type));
1711   if (!found)
1712     return NULL;
1713
1714   if (info.type == WebPluginInfo::PLUGIN_TYPE_BROWSER_PLUGIN) {
1715     scoped_ptr<BrowserPluginDelegate> browser_plugin_delegate(
1716         GetContentClient()->renderer()->CreateBrowserPluginDelegate(
1717             this, mime_type, GURL(params.url)));
1718     return render_view_->GetBrowserPluginManager()->CreateBrowserPlugin(
1719         render_view_.get(), frame, browser_plugin_delegate.Pass());
1720   }
1721
1722
1723   WebPluginParams params_to_use = params;
1724   params_to_use.mimeType = WebString::fromUTF8(mime_type);
1725   return CreatePlugin(frame, info, params_to_use,
1726                       CREATE_PLUGIN_GESTURE_NO_USER_GESTURE);
1727 #else
1728   return NULL;
1729 #endif  // defined(ENABLE_PLUGINS)
1730 }
1731
1732 blink::WebMediaPlayer* RenderFrameImpl::createMediaPlayer(
1733     blink::WebLocalFrame* frame,
1734     const blink::WebURL& url,
1735     blink::WebMediaPlayerClient* client) {
1736   return createMediaPlayer(frame, url, client, NULL);
1737 }
1738
1739 blink::WebMediaPlayer* RenderFrameImpl::createMediaPlayer(
1740     blink::WebLocalFrame* frame,
1741     const blink::WebURL& url,
1742     blink::WebMediaPlayerClient* client,
1743     blink::WebContentDecryptionModule* initial_cdm) {
1744 #if defined(VIDEO_HOLE)
1745   if (!contains_media_player_) {
1746     render_view_->RegisterVideoHoleFrame(this);
1747     contains_media_player_ = true;
1748   }
1749 #endif  // defined(VIDEO_HOLE)
1750
1751   blink::WebMediaStream web_stream(
1752       blink::WebMediaStreamRegistry::lookupMediaStreamDescriptor(url));
1753   if (!web_stream.isNull())
1754     return CreateWebMediaPlayerForMediaStream(url, client);
1755
1756 #if defined(OS_ANDROID)
1757   return CreateAndroidWebMediaPlayer(url, client, initial_cdm);
1758 #else
1759   RenderThreadImpl* render_thread = RenderThreadImpl::current();
1760   media::WebMediaPlayerParams params(
1761       base::Bind(&ContentRendererClient::DeferMediaLoad,
1762                  base::Unretained(GetContentClient()->renderer()),
1763                  static_cast<RenderFrame*>(this)),
1764       render_thread->GetAudioRendererMixerManager()->CreateInput(
1765           render_view_->routing_id_, routing_id_),
1766       *render_thread->GetAudioHardwareConfig(),
1767       new RenderMediaLog(),
1768       render_thread->GetGpuFactories(),
1769       render_thread->GetMediaThreadTaskRunner(),
1770       render_thread->compositor_message_loop_proxy(),
1771       initial_cdm);
1772
1773 #if defined(ENABLE_PEPPER_CDMS)
1774   scoped_ptr<media::CdmFactory> cdm_factory(
1775       new RenderCdmFactory(base::Bind(&PepperCdmWrapperImpl::Create, frame)));
1776 #else
1777   scoped_ptr<media::CdmFactory> cdm_factory(new RenderCdmFactory());
1778 #endif
1779
1780   scoped_ptr<media::Renderer> media_renderer =
1781       GetContentClient()->renderer()->CreateMediaRenderer(
1782           this, render_thread->GetMediaThreadTaskRunner());
1783
1784   return new media::WebMediaPlayerImpl(
1785       frame, client, weak_factory_.GetWeakPtr(), media_renderer.Pass(),
1786       cdm_factory.Pass(), params);
1787 #endif  // defined(OS_ANDROID)
1788 }
1789
1790 blink::WebContentDecryptionModule*
1791 RenderFrameImpl::createContentDecryptionModule(
1792     blink::WebLocalFrame* frame,
1793     const blink::WebSecurityOrigin& security_origin,
1794     const blink::WebString& key_system) {
1795   DCHECK(!frame_ || frame_ == frame);
1796
1797 #if defined(ENABLE_PEPPER_CDMS)
1798   RenderCdmFactory cdm_factory(
1799       base::Bind(&PepperCdmWrapperImpl::Create, frame));
1800 #elif defined(ENABLE_BROWSER_CDMS)
1801   RenderCdmFactory cdm_factory(GetCdmManager());
1802 #else
1803   RenderCdmFactory cdm_factory;
1804 #endif
1805
1806   return media::WebContentDecryptionModuleImpl::Create(
1807       &cdm_factory, security_origin, key_system);
1808 }
1809
1810 blink::WebApplicationCacheHost* RenderFrameImpl::createApplicationCacheHost(
1811     blink::WebLocalFrame* frame,
1812     blink::WebApplicationCacheHostClient* client) {
1813   if (!frame || !frame->view())
1814     return NULL;
1815   DCHECK(!frame_ || frame_ == frame);
1816   return new RendererWebApplicationCacheHostImpl(
1817       RenderViewImpl::FromWebView(frame->view()), client,
1818       RenderThreadImpl::current()->appcache_dispatcher()->backend_proxy());
1819 }
1820
1821 blink::WebWorkerPermissionClientProxy*
1822 RenderFrameImpl::createWorkerPermissionClientProxy(
1823     blink::WebLocalFrame* frame) {
1824   if (!frame || !frame->view())
1825     return NULL;
1826   DCHECK(!frame_ || frame_ == frame);
1827   return GetContentClient()->renderer()->CreateWorkerPermissionClientProxy(
1828       this, frame);
1829 }
1830
1831 WebExternalPopupMenu* RenderFrameImpl::createExternalPopupMenu(
1832     const WebPopupMenuInfo& popup_menu_info,
1833     WebExternalPopupMenuClient* popup_menu_client) {
1834 #if defined(OS_MACOSX) || defined(OS_ANDROID)
1835   // An IPC message is sent to the browser to build and display the actual
1836   // popup. The user could have time to click a different select by the time
1837   // the popup is shown. In that case external_popup_menu_ is non NULL.
1838   // By returning NULL in that case, we instruct Blink to cancel that new
1839   // popup. So from the user perspective, only the first one will show, and
1840   // will have to close the first one before another one can be shown.
1841   if (external_popup_menu_)
1842     return NULL;
1843   external_popup_menu_.reset(
1844       new ExternalPopupMenu(this, popup_menu_info, popup_menu_client));
1845   if (render_view_->screen_metrics_emulator_) {
1846     render_view_->SetExternalPopupOriginAdjustmentsForEmulation(
1847         external_popup_menu_.get(),
1848         render_view_->screen_metrics_emulator_.get());
1849   }
1850   return external_popup_menu_.get();
1851 #else
1852   return NULL;
1853 #endif
1854 }
1855
1856 blink::WebCookieJar* RenderFrameImpl::cookieJar(blink::WebLocalFrame* frame) {
1857   DCHECK(!frame_ || frame_ == frame);
1858   return &cookie_jar_;
1859 }
1860
1861 blink::WebServiceWorkerProvider* RenderFrameImpl::createServiceWorkerProvider(
1862     blink::WebLocalFrame* frame) {
1863   DCHECK(!frame_ || frame_ == frame);
1864   // At this point we should have non-null data source.
1865   DCHECK(frame->dataSource());
1866   if (!ChildThread::current())
1867     return NULL;  // May be null in some tests.
1868   ServiceWorkerNetworkProvider* provider =
1869       ServiceWorkerNetworkProvider::FromDocumentState(
1870           DocumentState::FromDataSource(frame->dataSource()));
1871   return new WebServiceWorkerProviderImpl(
1872       ChildThread::current()->thread_safe_sender(),
1873       provider ? provider->context() : NULL);
1874 }
1875
1876 void RenderFrameImpl::didAccessInitialDocument(blink::WebLocalFrame* frame) {
1877   DCHECK(!frame_ || frame_ == frame);
1878   // Notify the browser process that it is no longer safe to show the pending
1879   // URL of the main frame, since a URL spoof is now possible.
1880   if (!frame->parent() && render_view_->page_id_ == -1)
1881     Send(new FrameHostMsg_DidAccessInitialDocument(routing_id_));
1882 }
1883
1884 blink::WebFrame* RenderFrameImpl::createChildFrame(
1885     blink::WebLocalFrame* parent,
1886     const blink::WebString& name) {
1887   // Synchronously notify the browser of a child frame creation to get the
1888   // routing_id for the RenderFrame.
1889   int child_routing_id = MSG_ROUTING_NONE;
1890   Send(new FrameHostMsg_CreateChildFrame(routing_id_,
1891                                          base::UTF16ToUTF8(name),
1892                                          &child_routing_id));
1893   // Allocation of routing id failed, so we can't create a child frame. This can
1894   // happen if this RenderFrameImpl's IPCs are being filtered when in swapped
1895   // out state.
1896   if (child_routing_id == MSG_ROUTING_NONE) {
1897 #if !defined(OS_LINUX)
1898     // DumpWithoutCrashing() crashes on Linux in renderer processes when
1899     // breakpad and sandboxing are enabled: crbug.com/349600
1900     base::debug::Alias(parent);
1901     base::debug::Alias(&routing_id_);
1902     bool render_view_is_swapped_out = GetRenderWidget()->is_swapped_out();
1903     base::debug::Alias(&render_view_is_swapped_out);
1904     bool render_view_is_closing = GetRenderWidget()->closing();
1905     base::debug::Alias(&render_view_is_closing);
1906     base::debug::Alias(&is_swapped_out_);
1907     base::debug::DumpWithoutCrashing();
1908 #endif
1909     return NULL;
1910   }
1911
1912   // Create the RenderFrame and WebLocalFrame, linking the two.
1913   RenderFrameImpl* child_render_frame = RenderFrameImpl::Create(
1914       render_view_.get(), child_routing_id);
1915   blink::WebLocalFrame* web_frame = WebLocalFrame::create(child_render_frame);
1916   child_render_frame->SetWebFrame(web_frame);
1917
1918   // Add the frame to the frame tree and initialize it.
1919   parent->appendChild(web_frame);
1920   child_render_frame->Initialize();
1921
1922   return web_frame;
1923 }
1924
1925 void RenderFrameImpl::didDisownOpener(blink::WebLocalFrame* frame) {
1926   DCHECK(!frame_ || frame_ == frame);
1927   // We only need to notify the browser if the active, top-level frame clears
1928   // its opener.  We can ignore cases where a swapped out frame clears its
1929   // opener after hearing about it from the browser, and the browser does not
1930   // (yet) care about subframe openers.
1931   if (is_swapped_out_ || frame->parent())
1932     return;
1933
1934   // Notify WebContents and all its swapped out RenderViews.
1935   Send(new FrameHostMsg_DidDisownOpener(routing_id_));
1936 }
1937
1938 void RenderFrameImpl::frameDetached(blink::WebFrame* frame) {
1939   // NOTE: This function is called on the frame that is being detached and not
1940   // the parent frame.  This is different from createChildFrame() which is
1941   // called on the parent frame.
1942   CHECK(!is_detaching_);
1943   DCHECK(!frame_ || frame_ == frame);
1944
1945   bool is_subframe = !!frame->parent();
1946
1947   Send(new FrameHostMsg_Detach(routing_id_));
1948
1949   // The |is_detaching_| flag disables Send(). FrameHostMsg_Detach must be
1950   // sent before setting |is_detaching_| to true. In contrast, Observers
1951   // should only be notified afterwards so they cannot call back into here and
1952   // have IPCs fired off.
1953   is_detaching_ = true;
1954
1955   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
1956                     FrameDetached(frame));
1957
1958   // We need to clean up subframes by removing them from the map and deleting
1959   // the RenderFrameImpl.  In contrast, the main frame is owned by its
1960   // containing RenderViewHost (so that they have the same lifetime), so only
1961   // removal from the map is needed and no deletion.
1962   FrameMap::iterator it = g_frame_map.Get().find(frame);
1963   CHECK(it != g_frame_map.Get().end());
1964   CHECK_EQ(it->second, this);
1965   g_frame_map.Get().erase(it);
1966
1967   if (is_subframe)
1968     frame->parent()->removeChild(frame);
1969
1970   // |frame| is invalid after here.
1971   frame->close();
1972
1973   if (is_subframe) {
1974     delete this;
1975     // Object is invalid after this point.
1976   }
1977 }
1978
1979 void RenderFrameImpl::frameFocused() {
1980   Send(new FrameHostMsg_FrameFocused(routing_id_));
1981 }
1982
1983 void RenderFrameImpl::willClose(blink::WebFrame* frame) {
1984   DCHECK(!frame_ || frame_ == frame);
1985
1986   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, FrameWillClose());
1987   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
1988                     FrameWillClose(frame));
1989 }
1990
1991 void RenderFrameImpl::didChangeName(blink::WebLocalFrame* frame,
1992                                     const blink::WebString& name) {
1993   DCHECK(!frame_ || frame_ == frame);
1994   if (!render_view_->renderer_preferences_.report_frame_name_changes)
1995     return;
1996
1997   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidChangeName(name));
1998 }
1999
2000 void RenderFrameImpl::didMatchCSS(
2001     blink::WebLocalFrame* frame,
2002     const blink::WebVector<blink::WebString>& newly_matching_selectors,
2003     const blink::WebVector<blink::WebString>& stopped_matching_selectors) {
2004   DCHECK(!frame_ || frame_ == frame);
2005
2006   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2007                     DidMatchCSS(frame,
2008                                 newly_matching_selectors,
2009                                 stopped_matching_selectors));
2010 }
2011
2012 bool RenderFrameImpl::shouldReportDetailedMessageForSource(
2013     const blink::WebString& source) {
2014   return GetContentClient()->renderer()->ShouldReportDetailedMessageForSource(
2015       source);
2016 }
2017
2018 void RenderFrameImpl::didAddMessageToConsole(
2019     const blink::WebConsoleMessage& message,
2020     const blink::WebString& source_name,
2021     unsigned source_line,
2022     const blink::WebString& stack_trace) {
2023   logging::LogSeverity log_severity = logging::LOG_VERBOSE;
2024   switch (message.level) {
2025     case blink::WebConsoleMessage::LevelDebug:
2026       log_severity = logging::LOG_VERBOSE;
2027       break;
2028     case blink::WebConsoleMessage::LevelLog:
2029     case blink::WebConsoleMessage::LevelInfo:
2030       log_severity = logging::LOG_INFO;
2031       break;
2032     case blink::WebConsoleMessage::LevelWarning:
2033       log_severity = logging::LOG_WARNING;
2034       break;
2035     case blink::WebConsoleMessage::LevelError:
2036       log_severity = logging::LOG_ERROR;
2037       break;
2038     default:
2039       NOTREACHED();
2040   }
2041
2042   if (shouldReportDetailedMessageForSource(source_name)) {
2043     FOR_EACH_OBSERVER(
2044         RenderFrameObserver, observers_,
2045         DetailedConsoleMessageAdded(message.text,
2046                                     source_name,
2047                                     stack_trace,
2048                                     source_line,
2049                                     static_cast<int32>(log_severity)));
2050   }
2051
2052   Send(new FrameHostMsg_AddMessageToConsole(routing_id_,
2053                                             static_cast<int32>(log_severity),
2054                                             message.text,
2055                                             static_cast<int32>(source_line),
2056                                             source_name));
2057 }
2058
2059 void RenderFrameImpl::loadURLExternally(
2060     blink::WebLocalFrame* frame,
2061     const blink::WebURLRequest& request,
2062     blink::WebNavigationPolicy policy,
2063     const blink::WebString& suggested_name) {
2064   DCHECK(!frame_ || frame_ == frame);
2065   Referrer referrer(RenderViewImpl::GetReferrerFromRequest(frame, request));
2066   if (policy == blink::WebNavigationPolicyDownload) {
2067     render_view_->Send(new ViewHostMsg_DownloadUrl(render_view_->GetRoutingID(),
2068                                                    request.url(), referrer,
2069                                                    suggested_name));
2070   } else {
2071     OpenURL(frame, request.url(), referrer, policy);
2072   }
2073 }
2074
2075 blink::WebNavigationPolicy RenderFrameImpl::decidePolicyForNavigation(
2076     const NavigationPolicyInfo& info) {
2077   DCHECK(!frame_ || frame_ == info.frame);
2078   return DecidePolicyForNavigation(this, info);
2079 }
2080
2081 blink::WebHistoryItem RenderFrameImpl::historyItemForNewChildFrame(
2082     blink::WebFrame* frame) {
2083   DCHECK(!frame_ || frame_ == frame);
2084   return render_view_->history_controller()->GetItemForNewChildFrame(this);
2085 }
2086
2087 void RenderFrameImpl::willSendSubmitEvent(blink::WebLocalFrame* frame,
2088                                           const blink::WebFormElement& form) {
2089   DCHECK(!frame_ || frame_ == frame);
2090
2091   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2092                     WillSendSubmitEvent(frame, form));
2093 }
2094
2095 void RenderFrameImpl::willSubmitForm(blink::WebLocalFrame* frame,
2096                                      const blink::WebFormElement& form) {
2097   DCHECK(!frame_ || frame_ == frame);
2098   DocumentState* document_state =
2099       DocumentState::FromDataSource(frame->provisionalDataSource());
2100   NavigationState* navigation_state = document_state->navigation_state();
2101   InternalDocumentStateData* internal_data =
2102       InternalDocumentStateData::FromDocumentState(document_state);
2103
2104   if (ui::PageTransitionCoreTypeIs(navigation_state->transition_type(),
2105                                    ui::PAGE_TRANSITION_LINK)) {
2106     navigation_state->set_transition_type(ui::PAGE_TRANSITION_FORM_SUBMIT);
2107   }
2108
2109   // Save these to be processed when the ensuing navigation is committed.
2110   WebSearchableFormData web_searchable_form_data(form);
2111   internal_data->set_searchable_form_url(web_searchable_form_data.url());
2112   internal_data->set_searchable_form_encoding(
2113       web_searchable_form_data.encoding().utf8());
2114
2115   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2116                     WillSubmitForm(frame, form));
2117 }
2118
2119 void RenderFrameImpl::didCreateDataSource(blink::WebLocalFrame* frame,
2120                                           blink::WebDataSource* datasource) {
2121   DCHECK(!frame_ || frame_ == frame);
2122
2123   // TODO(nasko): Move implementation here. Needed state:
2124   // * pending_navigation_params_
2125   // * webview
2126   // Needed methods:
2127   // * PopulateDocumentStateFromPending
2128   // * CreateNavigationStateFromPending
2129   render_view_->didCreateDataSource(frame, datasource);
2130
2131   // Create the serviceworker's per-document network observing object.
2132   scoped_ptr<ServiceWorkerNetworkProvider>
2133       network_provider(new ServiceWorkerNetworkProvider());
2134   ServiceWorkerNetworkProvider::AttachToDocumentState(
2135       DocumentState::FromDataSource(datasource),
2136       network_provider.Pass());
2137 }
2138
2139 void RenderFrameImpl::didStartProvisionalLoad(blink::WebLocalFrame* frame,
2140                                               bool is_transition_navigation) {
2141   DCHECK(!frame_ || frame_ == frame);
2142   WebDataSource* ds = frame->provisionalDataSource();
2143
2144   // In fast/loader/stop-provisional-loads.html, we abort the load before this
2145   // callback is invoked.
2146   if (!ds)
2147     return;
2148
2149   TRACE_EVENT2("navigation", "RenderFrameImpl::didStartProvisionalLoad",
2150                "id", routing_id_, "url", ds->request().url().string().utf8());
2151   DocumentState* document_state = DocumentState::FromDataSource(ds);
2152
2153   // We should only navigate to swappedout:// when is_swapped_out_ is true.
2154   CHECK((ds->request().url() != GURL(kSwappedOutURL)) ||
2155         is_swapped_out_) <<
2156         "Heard swappedout:// when not swapped out.";
2157
2158   // Update the request time if WebKit has better knowledge of it.
2159   if (document_state->request_time().is_null()) {
2160     double event_time = ds->triggeringEventTime();
2161     if (event_time != 0.0)
2162       document_state->set_request_time(Time::FromDoubleT(event_time));
2163   }
2164
2165   // Start time is only set after request time.
2166   document_state->set_start_load_time(Time::Now());
2167
2168   bool is_top_most = !frame->parent();
2169   if (is_top_most) {
2170     render_view_->set_navigation_gesture(
2171         WebUserGestureIndicator::isProcessingUserGesture() ?
2172             NavigationGestureUser : NavigationGestureAuto);
2173   } else if (ds->replacesCurrentHistoryItem()) {
2174     // Subframe navigations that don't add session history items must be
2175     // marked with AUTO_SUBFRAME. See also didFailProvisionalLoad for how we
2176     // handle loading of error pages.
2177     document_state->navigation_state()->set_transition_type(
2178         ui::PAGE_TRANSITION_AUTO_SUBFRAME);
2179   }
2180
2181   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2182                     DidStartProvisionalLoad(frame));
2183   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidStartProvisionalLoad());
2184
2185   Send(new FrameHostMsg_DidStartProvisionalLoadForFrame(
2186        routing_id_, ds->request().url(), is_transition_navigation));
2187 }
2188
2189 void RenderFrameImpl::didReceiveServerRedirectForProvisionalLoad(
2190     blink::WebLocalFrame* frame) {
2191   DCHECK(!frame_ || frame_ == frame);
2192   render_view_->history_controller()->RemoveChildrenForRedirect(this);
2193 }
2194
2195 void RenderFrameImpl::didFailProvisionalLoad(blink::WebLocalFrame* frame,
2196                                              const blink::WebURLError& error) {
2197   TRACE_EVENT1("navigation", "RenderFrameImpl::didFailProvisionalLoad",
2198                "id", routing_id_);
2199   DCHECK(!frame_ || frame_ == frame);
2200   WebDataSource* ds = frame->provisionalDataSource();
2201   DCHECK(ds);
2202
2203   const WebURLRequest& failed_request = ds->request();
2204
2205   // Notify the browser that we failed a provisional load with an error.
2206   //
2207   // Note: It is important this notification occur before DidStopLoading so the
2208   //       SSL manager can react to the provisional load failure before being
2209   //       notified the load stopped.
2210   //
2211   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2212                     DidFailProvisionalLoad(frame, error));
2213   FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
2214                     DidFailProvisionalLoad(error));
2215
2216   bool show_repost_interstitial =
2217       (error.reason == net::ERR_CACHE_MISS &&
2218        EqualsASCII(failed_request.httpMethod(), "POST"));
2219
2220   FrameHostMsg_DidFailProvisionalLoadWithError_Params params;
2221   params.error_code = error.reason;
2222   GetContentClient()->renderer()->GetNavigationErrorStrings(
2223       render_view_.get(),
2224       frame,
2225       failed_request,
2226       error,
2227       NULL,
2228       &params.error_description);
2229   params.url = error.unreachableURL;
2230   params.showing_repost_interstitial = show_repost_interstitial;
2231   Send(new FrameHostMsg_DidFailProvisionalLoadWithError(
2232       routing_id_, params));
2233
2234   // Don't display an error page if this is simply a cancelled load.  Aside
2235   // from being dumb, WebCore doesn't expect it and it will cause a crash.
2236   if (error.reason == net::ERR_ABORTED)
2237     return;
2238
2239   // Don't display "client blocked" error page if browser has asked us not to.
2240   if (error.reason == net::ERR_BLOCKED_BY_CLIENT &&
2241       render_view_->renderer_preferences_.disable_client_blocked_error_page) {
2242     return;
2243   }
2244
2245   // Allow the embedder to suppress an error page.
2246   if (GetContentClient()->renderer()->ShouldSuppressErrorPage(this,
2247           error.unreachableURL)) {
2248     return;
2249   }
2250
2251   if (RenderThreadImpl::current() &&
2252       RenderThreadImpl::current()->layout_test_mode()) {
2253     return;
2254   }
2255
2256   // Make sure we never show errors in view source mode.
2257   frame->enableViewSourceMode(false);
2258
2259   DocumentState* document_state = DocumentState::FromDataSource(ds);
2260   NavigationState* navigation_state = document_state->navigation_state();
2261
2262   // If this is a failed back/forward/reload navigation, then we need to do a
2263   // 'replace' load.  This is necessary to avoid messing up session history.
2264   // Otherwise, we do a normal load, which simulates a 'go' navigation as far
2265   // as session history is concerned.
2266   //
2267   // AUTO_SUBFRAME loads should always be treated as loads that do not advance
2268   // the page id.
2269   //
2270   // TODO(davidben): This should also take the failed navigation's replacement
2271   // state into account, if a location.replace() failed.
2272   bool replace =
2273       navigation_state->pending_page_id() != -1 ||
2274       ui::PageTransitionCoreTypeIs(navigation_state->transition_type(),
2275                                ui::PAGE_TRANSITION_AUTO_SUBFRAME);
2276
2277   // If we failed on a browser initiated request, then make sure that our error
2278   // page load is regarded as the same browser initiated request.
2279   if (!navigation_state->is_content_initiated()) {
2280     render_view_->pending_navigation_params_.reset(
2281         new FrameMsg_Navigate_Params);
2282     render_view_->pending_navigation_params_->page_id =
2283         navigation_state->pending_page_id();
2284     render_view_->pending_navigation_params_->pending_history_list_offset =
2285         navigation_state->pending_history_list_offset();
2286     render_view_->pending_navigation_params_->should_clear_history_list =
2287         navigation_state->history_list_was_cleared();
2288     render_view_->pending_navigation_params_->common_params.transition =
2289         navigation_state->transition_type();
2290     render_view_->pending_navigation_params_->request_time =
2291         document_state->request_time();
2292     render_view_->pending_navigation_params_->should_replace_current_entry =
2293         replace;
2294   }
2295
2296   // Load an error page.
2297   LoadNavigationErrorPage(failed_request, error, replace);
2298 }
2299
2300 void RenderFrameImpl::didCommitProvisionalLoad(
2301     blink::WebLocalFrame* frame,
2302     const blink::WebHistoryItem& item,
2303     blink::WebHistoryCommitType commit_type) {
2304   TRACE_EVENT2("navigation", "RenderFrameImpl::didCommitProvisionalLoad",
2305                "id", routing_id_,
2306                "url", GetLoadingUrl().possibly_invalid_spec());
2307   DCHECK(!frame_ || frame_ == frame);
2308   DocumentState* document_state =
2309       DocumentState::FromDataSource(frame->dataSource());
2310   NavigationState* navigation_state = document_state->navigation_state();
2311
2312   if (proxy_routing_id_ != MSG_ROUTING_NONE) {
2313     RenderFrameProxy* proxy =
2314         RenderFrameProxy::FromRoutingID(proxy_routing_id_);
2315     CHECK(proxy);
2316     proxy->web_frame()->swap(frame_);
2317     proxy_routing_id_ = MSG_ROUTING_NONE;
2318   }
2319
2320   // When we perform a new navigation, we need to update the last committed
2321   // session history entry with state for the page we are leaving. Do this
2322   // before updating the HistoryController state.
2323   render_view_->UpdateSessionHistory(frame);
2324
2325   render_view_->history_controller()->UpdateForCommit(this, item, commit_type,
2326       navigation_state->was_within_same_page());
2327
2328   InternalDocumentStateData* internal_data =
2329       InternalDocumentStateData::FromDocumentState(document_state);
2330
2331   if (document_state->commit_load_time().is_null())
2332     document_state->set_commit_load_time(Time::Now());
2333
2334   if (internal_data->must_reset_scroll_and_scale_state()) {
2335     render_view_->webview()->resetScrollAndScaleState();
2336     internal_data->set_must_reset_scroll_and_scale_state(false);
2337   }
2338   internal_data->set_use_error_page(false);
2339
2340   bool is_new_navigation = commit_type == blink::WebStandardCommit;
2341   if (is_new_navigation) {
2342     // We bump our Page ID to correspond with the new session history entry.
2343     render_view_->page_id_ = render_view_->next_page_id_++;
2344
2345     // Don't update history_page_ids_ (etc) for kSwappedOutURL, since
2346     // we don't want to forget the entry that was there, and since we will
2347     // never come back to kSwappedOutURL.  Note that we have to call
2348     // UpdateSessionHistory and update page_id_ even in this case, so that
2349     // the current entry gets a state update and so that we don't send a
2350     // state update to the wrong entry when we swap back in.
2351     if (GetLoadingUrl() != GURL(kSwappedOutURL)) {
2352       // Advance our offset in session history, applying the length limit.
2353       // There is now no forward history.
2354       render_view_->history_list_offset_++;
2355       if (render_view_->history_list_offset_ >= kMaxSessionHistoryEntries)
2356         render_view_->history_list_offset_ = kMaxSessionHistoryEntries - 1;
2357       render_view_->history_list_length_ =
2358           render_view_->history_list_offset_ + 1;
2359       render_view_->history_page_ids_.resize(
2360           render_view_->history_list_length_, -1);
2361       render_view_->history_page_ids_[render_view_->history_list_offset_] =
2362           render_view_->page_id_;
2363     }
2364   } else {
2365     // Inspect the navigation_state on this frame to see if the navigation
2366     // corresponds to a session history navigation...  Note: |frame| may or
2367     // may not be the toplevel frame, but for the case of capturing session
2368     // history, the first committed frame suffices.  We keep track of whether
2369     // we've seen this commit before so that only capture session history once
2370     // per navigation.
2371     //
2372     // Note that we need to check if the page ID changed. In the case of a
2373     // reload, the page ID doesn't change, and UpdateSessionHistory gets the
2374     // previous URL and the current page ID, which would be wrong.
2375     if (navigation_state->pending_page_id() != -1 &&
2376         navigation_state->pending_page_id() != render_view_->page_id_ &&
2377         !navigation_state->request_committed()) {
2378       // This is a successful session history navigation!
2379       render_view_->page_id_ = navigation_state->pending_page_id();
2380
2381       render_view_->history_list_offset_ =
2382           navigation_state->pending_history_list_offset();
2383
2384       // If the history list is valid, our list of page IDs should be correct.
2385       DCHECK(render_view_->history_list_length_ <= 0 ||
2386              render_view_->history_list_offset_ < 0 ||
2387              render_view_->history_list_offset_ >=
2388                  render_view_->history_list_length_ ||
2389              render_view_->history_page_ids_[render_view_->history_list_offset_]
2390                   == render_view_->page_id_);
2391     }
2392   }
2393
2394   bool sent = Send(
2395       new FrameHostMsg_DidAssignPageId(routing_id_, render_view_->page_id_));
2396   CHECK(sent);  // http://crbug.com/407376
2397
2398   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers_,
2399                     DidCommitProvisionalLoad(frame, is_new_navigation));
2400   FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
2401                     DidCommitProvisionalLoad(is_new_navigation));
2402
2403   if (!frame->parent()) {  // Only for top frames.
2404     RenderThreadImpl* render_thread_impl = RenderThreadImpl::current();
2405     if (render_thread_impl) {  // Can be NULL in tests.
2406       render_thread_impl->histogram_customizer()->
2407           RenderViewNavigatedToHost(GURL(GetLoadingUrl()).host(),
2408                                     RenderViewImpl::GetRenderViewCount());
2409     }
2410   }
2411
2412   // Remember that we've already processed this request, so we don't update
2413   // the session history again.  We do this regardless of whether this is
2414   // a session history navigation, because if we attempted a session history
2415   // navigation without valid HistoryItem state, WebCore will think it is a
2416   // new navigation.
2417   navigation_state->set_request_committed(true);
2418
2419   SendDidCommitProvisionalLoad(frame);
2420
2421   // Check whether we have new encoding name.
2422   UpdateEncoding(frame, frame->view()->pageEncoding().utf8());
2423 }
2424
2425 void RenderFrameImpl::didCreateNewDocument(blink::WebLocalFrame* frame) {
2426   DCHECK(!frame_ || frame_ == frame);
2427
2428   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2429                     DidCreateNewDocument(frame));
2430 }
2431
2432 void RenderFrameImpl::didClearWindowObject(blink::WebLocalFrame* frame) {
2433   DCHECK(!frame_ || frame_ == frame);
2434   // TODO(nasko): Move implementation here. Needed state:
2435   // * enabled_bindings_
2436   // * dom_automation_controller_
2437   // * stats_collection_controller_
2438
2439   render_view_->didClearWindowObject(frame);
2440
2441   if (render_view_->GetEnabledBindings() & BINDINGS_POLICY_DOM_AUTOMATION)
2442     DomAutomationController::Install(this, frame);
2443
2444   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidClearWindowObject());
2445 }
2446
2447 void RenderFrameImpl::didCreateDocumentElement(blink::WebLocalFrame* frame) {
2448   DCHECK(!frame_ || frame_ == frame);
2449
2450   // Notify the browser about non-blank documents loading in the top frame.
2451   GURL url = frame->document().url();
2452   if (url.is_valid() && url.spec() != url::kAboutBlankURL) {
2453     // TODO(nasko): Check if webview()->mainFrame() is the same as the
2454     // frame->tree()->top().
2455     blink::WebFrame* main_frame = render_view_->webview()->mainFrame();
2456     if (frame == main_frame) {
2457       // For now, don't remember plugin zoom values.  We don't want to mix them
2458       // with normal web content (i.e. a fixed layout plugin would usually want
2459       // them different).
2460       render_view_->Send(new ViewHostMsg_DocumentAvailableInMainFrame(
2461           render_view_->GetRoutingID(),
2462           main_frame->document().isPluginDocument()));
2463     }
2464   }
2465
2466   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2467                     DidCreateDocumentElement(frame));
2468 }
2469
2470 void RenderFrameImpl::didReceiveTitle(blink::WebLocalFrame* frame,
2471                                       const blink::WebString& title,
2472                                       blink::WebTextDirection direction) {
2473   DCHECK(!frame_ || frame_ == frame);
2474   // Ignore all but top level navigations.
2475   if (!frame->parent()) {
2476     base::string16 title16 = title;
2477     base::debug::TraceLog::GetInstance()->UpdateProcessLabel(
2478         routing_id_, base::UTF16ToUTF8(title16));
2479
2480     base::string16 shortened_title = title16.substr(0, kMaxTitleChars);
2481     Send(new FrameHostMsg_UpdateTitle(routing_id_,
2482                                       shortened_title, direction));
2483   }
2484
2485   // Also check whether we have new encoding name.
2486   UpdateEncoding(frame, frame->view()->pageEncoding().utf8());
2487 }
2488
2489 void RenderFrameImpl::didChangeIcon(blink::WebLocalFrame* frame,
2490                                     blink::WebIconURL::Type icon_type) {
2491   DCHECK(!frame_ || frame_ == frame);
2492   // TODO(nasko): Investigate wheather implementation should move here.
2493   render_view_->didChangeIcon(frame, icon_type);
2494 }
2495
2496 void RenderFrameImpl::didFinishDocumentLoad(blink::WebLocalFrame* frame) {
2497   TRACE_EVENT1("navigation", "RenderFrameImpl::didFinishDocumentLoad",
2498                "id", routing_id_);
2499   DCHECK(!frame_ || frame_ == frame);
2500   WebDataSource* ds = frame->dataSource();
2501   DocumentState* document_state = DocumentState::FromDataSource(ds);
2502   document_state->set_finish_document_load_time(Time::Now());
2503
2504   Send(new FrameHostMsg_DidFinishDocumentLoad(routing_id_));
2505
2506   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2507                     DidFinishDocumentLoad(frame));
2508   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidFinishDocumentLoad());
2509
2510   // Check whether we have new encoding name.
2511   UpdateEncoding(frame, frame->view()->pageEncoding().utf8());
2512 }
2513
2514 void RenderFrameImpl::didHandleOnloadEvents(blink::WebLocalFrame* frame) {
2515   DCHECK(!frame_ || frame_ == frame);
2516   if (!frame->parent())
2517     Send(new FrameHostMsg_DocumentOnLoadCompleted(routing_id_));
2518 }
2519
2520 void RenderFrameImpl::didFailLoad(blink::WebLocalFrame* frame,
2521                                   const blink::WebURLError& error) {
2522   TRACE_EVENT1("navigation", "RenderFrameImpl::didFailLoad",
2523                "id", routing_id_);
2524   DCHECK(!frame_ || frame_ == frame);
2525   // TODO(nasko): Move implementation here. No state needed.
2526   WebDataSource* ds = frame->dataSource();
2527   DCHECK(ds);
2528
2529   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2530                     DidFailLoad(frame, error));
2531
2532   const WebURLRequest& failed_request = ds->request();
2533   base::string16 error_description;
2534   GetContentClient()->renderer()->GetNavigationErrorStrings(
2535       render_view_.get(),
2536       frame,
2537       failed_request,
2538       error,
2539       NULL,
2540       &error_description);
2541   Send(new FrameHostMsg_DidFailLoadWithError(routing_id_,
2542                                              failed_request.url(),
2543                                              error.reason,
2544                                              error_description));
2545 }
2546
2547 void RenderFrameImpl::didFinishLoad(blink::WebLocalFrame* frame) {
2548   TRACE_EVENT1("navigation", "RenderFrameImpl::didFinishLoad",
2549                "id", routing_id_);
2550   DCHECK(!frame_ || frame_ == frame);
2551   WebDataSource* ds = frame->dataSource();
2552   DocumentState* document_state = DocumentState::FromDataSource(ds);
2553   if (document_state->finish_load_time().is_null()) {
2554     if (!frame->parent()) {
2555       TRACE_EVENT_INSTANT0("WebCore", "LoadFinished",
2556                            TRACE_EVENT_SCOPE_PROCESS);
2557     }
2558     document_state->set_finish_load_time(Time::Now());
2559   }
2560
2561   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2562                     DidFinishLoad(frame));
2563   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidFinishLoad());
2564
2565   // Don't send this message while the frame is swapped out.
2566   if (is_swapped_out())
2567     return;
2568
2569   Send(new FrameHostMsg_DidFinishLoad(routing_id_,
2570                                       ds->request().url()));
2571 }
2572
2573 void RenderFrameImpl::didNavigateWithinPage(blink::WebLocalFrame* frame,
2574     const blink::WebHistoryItem& item,
2575     blink::WebHistoryCommitType commit_type) {
2576   TRACE_EVENT1("navigation", "RenderFrameImpl::didNavigateWithinPage",
2577                "id", routing_id_);
2578   DCHECK(!frame_ || frame_ == frame);
2579   // If this was a reference fragment navigation that we initiated, then we
2580   // could end up having a non-null pending navigation params.  We just need to
2581   // update the ExtraData on the datasource so that others who read the
2582   // ExtraData will get the new NavigationState.  Similarly, if we did not
2583   // initiate this navigation, then we need to take care to reset any pre-
2584   // existing navigation state to a content-initiated navigation state.
2585   // DidCreateDataSource conveniently takes care of this for us.
2586   didCreateDataSource(frame, frame->dataSource());
2587
2588   DocumentState* document_state =
2589       DocumentState::FromDataSource(frame->dataSource());
2590   NavigationState* new_state = document_state->navigation_state();
2591   new_state->set_was_within_same_page(true);
2592
2593   didCommitProvisionalLoad(frame, item, commit_type);
2594 }
2595
2596 void RenderFrameImpl::didUpdateCurrentHistoryItem(blink::WebLocalFrame* frame) {
2597   DCHECK(!frame_ || frame_ == frame);
2598   // TODO(nasko): Move implementation here. Needed methods:
2599   // * StartNavStateSyncTimerIfNecessary
2600   render_view_->didUpdateCurrentHistoryItem(frame);
2601 }
2602
2603 void RenderFrameImpl::addNavigationTransitionData(
2604     const blink::WebTransitionElementData& data) {
2605   FrameHostMsg_AddNavigationTransitionData_Params params;
2606   params.render_frame_id = routing_id_;
2607   params.allowed_destination_host_pattern =
2608       data.scope.utf8();
2609   params.selector = data.selector.utf8();
2610   params.markup = data.markup.utf8();
2611   params.elements.resize(data.elements.size());
2612   for (size_t i = 0; i < data.elements.size(); i++) {
2613     params.elements[i].id = data.elements[i].id.utf8();
2614     params.elements[i].rect = gfx::Rect(data.elements[i].rect);
2615   }
2616
2617   Send(new FrameHostMsg_AddNavigationTransitionData(params));
2618 }
2619
2620 void RenderFrameImpl::didChangeThemeColor() {
2621   if (frame_->parent())
2622     return;
2623
2624   Send(new FrameHostMsg_DidChangeThemeColor(
2625       routing_id_, frame_->document().themeColor()));
2626 }
2627
2628 void RenderFrameImpl::requestNotificationPermission(
2629     const blink::WebSecurityOrigin& origin,
2630     blink::WebNotificationPermissionCallback* callback) {
2631   if (!notification_permission_dispatcher_) {
2632     notification_permission_dispatcher_ =
2633         new NotificationPermissionDispatcher(this);
2634   }
2635
2636   notification_permission_dispatcher_->RequestPermission(origin, callback);
2637 }
2638
2639 void RenderFrameImpl::didChangeSelection(bool is_empty_selection) {
2640   if (!GetRenderWidget()->handling_input_event() && !handling_select_range_)
2641     return;
2642
2643   if (is_empty_selection)
2644     selection_text_.clear();
2645
2646   // UpdateTextInputType should be called before SyncSelectionIfRequired.
2647   // UpdateTextInputType may send TextInputTypeChanged to notify the focus
2648   // was changed, and SyncSelectionIfRequired may send SelectionChanged
2649   // to notify the selection was changed.  Focus change should be notified
2650   // before selection change.
2651   GetRenderWidget()->UpdateTextInputType();
2652   SyncSelectionIfRequired();
2653 #if defined(OS_ANDROID)
2654   GetRenderWidget()->UpdateTextInputState(RenderWidget::NO_SHOW_IME,
2655                                           RenderWidget::FROM_NON_IME);
2656 #endif
2657 }
2658
2659 blink::WebColorChooser* RenderFrameImpl::createColorChooser(
2660     blink::WebColorChooserClient* client,
2661     const blink::WebColor& initial_color,
2662     const blink::WebVector<blink::WebColorSuggestion>& suggestions) {
2663   RendererWebColorChooserImpl* color_chooser =
2664       new RendererWebColorChooserImpl(this, client);
2665   std::vector<ColorSuggestion> color_suggestions;
2666   for (size_t i = 0; i < suggestions.size(); i++) {
2667     color_suggestions.push_back(ColorSuggestion(suggestions[i]));
2668   }
2669   color_chooser->Open(static_cast<SkColor>(initial_color), color_suggestions);
2670   return color_chooser;
2671 }
2672
2673 void RenderFrameImpl::runModalAlertDialog(const blink::WebString& message) {
2674   RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_ALERT,
2675                        message,
2676                        base::string16(),
2677                        frame_->document().url(),
2678                        NULL);
2679 }
2680
2681 bool RenderFrameImpl::runModalConfirmDialog(const blink::WebString& message) {
2682   return RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_CONFIRM,
2683                               message,
2684                               base::string16(),
2685                               frame_->document().url(),
2686                               NULL);
2687 }
2688
2689 bool RenderFrameImpl::runModalPromptDialog(
2690     const blink::WebString& message,
2691     const blink::WebString& default_value,
2692     blink::WebString* actual_value) {
2693   base::string16 result;
2694   bool ok = RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_PROMPT,
2695                                  message,
2696                                  default_value,
2697                                  frame_->document().url(),
2698                                  &result);
2699   if (ok)
2700     actual_value->assign(result);
2701   return ok;
2702 }
2703
2704 bool RenderFrameImpl::runModalBeforeUnloadDialog(
2705     bool is_reload,
2706     const blink::WebString& message) {
2707   // If we are swapping out, we have already run the beforeunload handler.
2708   // TODO(creis): Fix OnSwapOut to clear the frame without running beforeunload
2709   // at all, to avoid running it twice.
2710   if (is_swapped_out_)
2711     return true;
2712
2713   // Don't allow further dialogs if we are waiting to swap out, since the
2714   // PageGroupLoadDeferrer in our stack prevents it.
2715   if (render_view()->suppress_dialogs_until_swap_out_)
2716     return false;
2717
2718   bool success = false;
2719   // This is an ignored return value, but is included so we can accept the same
2720   // response as RunJavaScriptMessage.
2721   base::string16 ignored_result;
2722   render_view()->SendAndRunNestedMessageLoop(
2723       new FrameHostMsg_RunBeforeUnloadConfirm(
2724           routing_id_, frame_->document().url(), message, is_reload,
2725           &success, &ignored_result));
2726   return success;
2727 }
2728
2729 void RenderFrameImpl::showContextMenu(const blink::WebContextMenuData& data) {
2730   ContextMenuParams params = ContextMenuParamsBuilder::Build(data);
2731   params.source_type = GetRenderWidget()->context_menu_source_type();
2732   GetRenderWidget()->OnShowHostContextMenu(&params);
2733   if (GetRenderWidget()->has_host_context_menu_location()) {
2734     params.x = GetRenderWidget()->host_context_menu_location().x();
2735     params.y = GetRenderWidget()->host_context_menu_location().y();
2736   }
2737
2738   // Serializing a GURL longer than kMaxURLChars will fail, so don't do
2739   // it.  We replace it with an empty GURL so the appropriate items are disabled
2740   // in the context menu.
2741   // TODO(jcivelli): http://crbug.com/45160 This prevents us from saving large
2742   //                 data encoded images.  We should have a way to save them.
2743   if (params.src_url.spec().size() > GetMaxURLChars())
2744     params.src_url = GURL();
2745   context_menu_node_ = data.node;
2746
2747 #if defined(OS_ANDROID)
2748   gfx::Rect start_rect;
2749   gfx::Rect end_rect;
2750   GetRenderWidget()->GetSelectionBounds(&start_rect, &end_rect);
2751   params.selection_start = gfx::Point(start_rect.x(), start_rect.bottom());
2752   params.selection_end = gfx::Point(end_rect.right(), end_rect.bottom());
2753 #endif
2754
2755   Send(new FrameHostMsg_ContextMenu(routing_id_, params));
2756 }
2757
2758 void RenderFrameImpl::clearContextMenu() {
2759   context_menu_node_.reset();
2760 }
2761
2762 void RenderFrameImpl::willSendRequest(
2763     blink::WebLocalFrame* frame,
2764     unsigned identifier,
2765     blink::WebURLRequest& request,
2766     const blink::WebURLResponse& redirect_response) {
2767   DCHECK(!frame_ || frame_ == frame);
2768   // The request my be empty during tests.
2769   if (request.url().isEmpty())
2770     return;
2771
2772   // Set the first party for cookies url if it has not been set yet (new
2773   // requests). For redirects, it is updated by WebURLLoaderImpl.
2774   if (request.firstPartyForCookies().isEmpty()) {
2775     if (request.frameType() == blink::WebURLRequest::FrameTypeTopLevel) {
2776       request.setFirstPartyForCookies(request.url());
2777     } else {
2778       // TODO(nasko): When the top-level frame is remote, there is no document.
2779       // This is broken and should be fixed to propagate the first party.
2780       WebFrame* top = frame->top();
2781       if (top->isWebLocalFrame()) {
2782         request.setFirstPartyForCookies(
2783             frame->top()->document().firstPartyForCookies());
2784       }
2785     }
2786   }
2787
2788   WebFrame* top_frame = frame->top();
2789   // TODO(nasko): Hack around asking about top-frame data source. This means
2790   // for out-of-process iframes we are treating the current frame as the
2791   // top-level frame, which is wrong.
2792   if (!top_frame || top_frame->isWebRemoteFrame())
2793     top_frame = frame;
2794   WebDataSource* provisional_data_source = top_frame->provisionalDataSource();
2795   WebDataSource* top_data_source = top_frame->dataSource();
2796   WebDataSource* data_source =
2797       provisional_data_source ? provisional_data_source : top_data_source;
2798
2799   DocumentState* document_state = DocumentState::FromDataSource(data_source);
2800   DCHECK(document_state);
2801   InternalDocumentStateData* internal_data =
2802       InternalDocumentStateData::FromDocumentState(document_state);
2803   NavigationState* navigation_state = document_state->navigation_state();
2804   ui::PageTransition transition_type = navigation_state->transition_type();
2805   WebDataSource* frame_ds = frame->provisionalDataSource();
2806   if (frame_ds && frame_ds->isClientRedirect()) {
2807     transition_type = ui::PageTransitionFromInt(
2808         transition_type | ui::PAGE_TRANSITION_CLIENT_REDIRECT);
2809   }
2810
2811   GURL request_url(request.url());
2812   GURL new_url;
2813   if (GetContentClient()->renderer()->WillSendRequest(
2814           frame,
2815           transition_type,
2816           request_url,
2817           request.firstPartyForCookies(),
2818           &new_url)) {
2819     request.setURL(WebURL(new_url));
2820   }
2821
2822   if (internal_data->is_cache_policy_override_set())
2823     request.setCachePolicy(internal_data->cache_policy_override());
2824
2825   // The request's extra data may indicate that we should set a custom user
2826   // agent. This needs to be done here, after WebKit is through with setting the
2827   // user agent on its own. Similarly, it may indicate that we should set an
2828   // X-Requested-With header. This must be done here to avoid breaking CORS
2829   // checks.
2830   // PlzNavigate: there may also be a stream url associated with the request.
2831   WebString custom_user_agent;
2832   WebString requested_with;
2833   scoped_ptr<StreamOverrideParameters> stream_override;
2834   if (request.extraData()) {
2835     RequestExtraData* old_extra_data =
2836         static_cast<RequestExtraData*>(request.extraData());
2837
2838     custom_user_agent = old_extra_data->custom_user_agent();
2839     if (!custom_user_agent.isNull()) {
2840       if (custom_user_agent.isEmpty())
2841         request.clearHTTPHeaderField("User-Agent");
2842       else
2843         request.setHTTPHeaderField("User-Agent", custom_user_agent);
2844     }
2845
2846     requested_with = old_extra_data->requested_with();
2847     if (!requested_with.isNull()) {
2848       if (requested_with.isEmpty())
2849         request.clearHTTPHeaderField("X-Requested-With");
2850       else
2851         request.setHTTPHeaderField("X-Requested-With", requested_with);
2852     }
2853     stream_override = old_extra_data->TakeStreamOverrideOwnership();
2854   }
2855
2856   // Add the default accept header for frame request if it has not been set
2857   // already.
2858   if ((request.frameType() == blink::WebURLRequest::FrameTypeTopLevel ||
2859        request.frameType() == blink::WebURLRequest::FrameTypeNested) &&
2860       request.httpHeaderField(WebString::fromUTF8(kAcceptHeader)).isEmpty()) {
2861     request.setHTTPHeaderField(WebString::fromUTF8(kAcceptHeader),
2862                                WebString::fromUTF8(kDefaultAcceptHeader));
2863   }
2864
2865   // Add an empty HTTP origin header for non GET methods if none is currently
2866   // present.
2867   request.addHTTPOriginIfNeeded(WebString());
2868
2869   // Attach |should_replace_current_entry| state to requests so that, should
2870   // this navigation later require a request transfer, all state is preserved
2871   // when it is re-created in the new process.
2872   bool should_replace_current_entry = false;
2873   if (navigation_state->is_content_initiated()) {
2874     should_replace_current_entry = data_source->replacesCurrentHistoryItem();
2875   } else {
2876     // If the navigation is browser-initiated, the NavigationState contains the
2877     // correct value instead of the WebDataSource.
2878     //
2879     // TODO(davidben): Avoid this awkward duplication of state. See comment on
2880     // NavigationState::should_replace_current_entry().
2881     should_replace_current_entry =
2882         navigation_state->should_replace_current_entry();
2883   }
2884
2885   int provider_id = kInvalidServiceWorkerProviderId;
2886   if (request.frameType() == blink::WebURLRequest::FrameTypeTopLevel ||
2887       request.frameType() == blink::WebURLRequest::FrameTypeNested) {
2888     // |provisionalDataSource| may be null in some content::ResourceFetcher
2889     // use cases, we don't hook those requests.
2890     if (frame->provisionalDataSource()) {
2891       ServiceWorkerNetworkProvider* provider =
2892           ServiceWorkerNetworkProvider::FromDocumentState(
2893               DocumentState::FromDataSource(frame->provisionalDataSource()));
2894       provider_id = provider->provider_id();
2895     }
2896   } else if (frame->dataSource()) {
2897     ServiceWorkerNetworkProvider* provider =
2898         ServiceWorkerNetworkProvider::FromDocumentState(
2899             DocumentState::FromDataSource(frame->dataSource()));
2900     provider_id = provider->provider_id();
2901   }
2902
2903   WebFrame* parent = frame->parent();
2904   int parent_routing_id = MSG_ROUTING_NONE;
2905   if (!parent) {
2906     parent_routing_id = -1;
2907   } else if (parent->isWebLocalFrame()) {
2908     parent_routing_id = FromWebFrame(parent)->GetRoutingID();
2909   } else {
2910     parent_routing_id = RenderFrameProxy::FromWebFrame(parent)->routing_id();
2911   }
2912
2913   RequestExtraData* extra_data = new RequestExtraData();
2914   extra_data->set_visibility_state(render_view_->visibilityState());
2915   extra_data->set_custom_user_agent(custom_user_agent);
2916   extra_data->set_requested_with(requested_with);
2917   extra_data->set_render_frame_id(routing_id_);
2918   extra_data->set_is_main_frame(frame == top_frame);
2919   extra_data->set_frame_origin(
2920       GURL(frame->document().securityOrigin().toString()));
2921   extra_data->set_parent_is_main_frame(frame->parent() == top_frame);
2922   extra_data->set_parent_render_frame_id(parent_routing_id);
2923   extra_data->set_allow_download(navigation_state->allow_download());
2924   extra_data->set_transition_type(transition_type);
2925   extra_data->set_should_replace_current_entry(should_replace_current_entry);
2926   extra_data->set_transferred_request_child_id(
2927       navigation_state->transferred_request_child_id());
2928   extra_data->set_transferred_request_request_id(
2929       navigation_state->transferred_request_request_id());
2930   extra_data->set_service_worker_provider_id(provider_id);
2931   extra_data->set_stream_override(stream_override.Pass());
2932   request.setExtraData(extra_data);
2933
2934   DocumentState* top_document_state =
2935       DocumentState::FromDataSource(top_data_source);
2936   if (top_document_state) {
2937     // TODO(gavinp): separate out prefetching and prerender field trials
2938     // if the rel=prerender rel type is sticking around.
2939     if (request.requestContext() == WebURLRequest::RequestContextPrefetch)
2940       top_document_state->set_was_prefetcher(true);
2941   }
2942
2943   // This is an instance where we embed a copy of the routing id
2944   // into the data portion of the message. This can cause problems if we
2945   // don't register this id on the browser side, since the download manager
2946   // expects to find a RenderViewHost based off the id.
2947   request.setRequestorID(render_view_->GetRoutingID());
2948   request.setHasUserGesture(WebUserGestureIndicator::isProcessingUserGesture());
2949
2950   if (!navigation_state->extra_headers().empty()) {
2951     for (net::HttpUtil::HeadersIterator i(
2952         navigation_state->extra_headers().begin(),
2953         navigation_state->extra_headers().end(), "\n");
2954         i.GetNext(); ) {
2955       if (LowerCaseEqualsASCII(i.name(), "referer")) {
2956         WebString referrer = WebSecurityPolicy::generateReferrerHeader(
2957             blink::WebReferrerPolicyDefault,
2958             request.url(),
2959             WebString::fromUTF8(i.values()));
2960         request.setHTTPReferrer(referrer, blink::WebReferrerPolicyDefault);
2961       } else {
2962         request.setHTTPHeaderField(WebString::fromUTF8(i.name()),
2963                                    WebString::fromUTF8(i.values()));
2964       }
2965     }
2966   }
2967
2968   if (!render_view_->renderer_preferences_.enable_referrers)
2969     request.setHTTPReferrer(WebString(), blink::WebReferrerPolicyDefault);
2970 }
2971
2972 void RenderFrameImpl::didReceiveResponse(
2973     blink::WebLocalFrame* frame,
2974     unsigned identifier,
2975     const blink::WebURLResponse& response) {
2976   DCHECK(!frame_ || frame_ == frame);
2977   // Only do this for responses that correspond to a provisional data source
2978   // of the top-most frame.  If we have a provisional data source, then we
2979   // can't have any sub-resources yet, so we know that this response must
2980   // correspond to a frame load.
2981   if (!frame->provisionalDataSource() || frame->parent())
2982     return;
2983
2984   // If we are in view source mode, then just let the user see the source of
2985   // the server's error page.
2986   if (frame->isViewSourceModeEnabled())
2987     return;
2988
2989   DocumentState* document_state =
2990       DocumentState::FromDataSource(frame->provisionalDataSource());
2991   int http_status_code = response.httpStatusCode();
2992
2993   // Record page load flags.
2994   WebURLResponseExtraDataImpl* extra_data = GetExtraDataFromResponse(response);
2995   if (extra_data) {
2996     document_state->set_was_fetched_via_spdy(
2997         extra_data->was_fetched_via_spdy());
2998     document_state->set_was_npn_negotiated(
2999         extra_data->was_npn_negotiated());
3000     document_state->set_npn_negotiated_protocol(
3001         extra_data->npn_negotiated_protocol());
3002     document_state->set_was_alternate_protocol_available(
3003         extra_data->was_alternate_protocol_available());
3004     document_state->set_connection_info(
3005         extra_data->connection_info());
3006     document_state->set_was_fetched_via_proxy(
3007         extra_data->was_fetched_via_proxy());
3008     document_state->set_proxy_server(
3009         extra_data->proxy_server());
3010   }
3011   InternalDocumentStateData* internal_data =
3012       InternalDocumentStateData::FromDocumentState(document_state);
3013   internal_data->set_http_status_code(http_status_code);
3014   // Whether or not the http status code actually corresponds to an error is
3015   // only checked when the page is done loading, if |use_error_page| is
3016   // still true.
3017   internal_data->set_use_error_page(true);
3018 }
3019
3020 void RenderFrameImpl::didFinishResourceLoad(blink::WebLocalFrame* frame,
3021                                             unsigned identifier) {
3022   DCHECK(!frame_ || frame_ == frame);
3023   InternalDocumentStateData* internal_data =
3024       InternalDocumentStateData::FromDataSource(frame->dataSource());
3025   if (!internal_data->use_error_page())
3026     return;
3027
3028   // Do not show error page when DevTools is attached.
3029   if (render_view_->devtools_agent_->IsAttached())
3030     return;
3031
3032   // Display error page, if appropriate.
3033   std::string error_domain = "http";
3034   int http_status_code = internal_data->http_status_code();
3035   if (GetContentClient()->renderer()->HasErrorPage(
3036           http_status_code, &error_domain)) {
3037     WebURLError error;
3038     error.unreachableURL = frame->document().url();
3039     error.domain = WebString::fromUTF8(error_domain);
3040     error.reason = http_status_code;
3041     LoadNavigationErrorPage(frame->dataSource()->request(), error, true);
3042   }
3043 }
3044
3045 void RenderFrameImpl::didLoadResourceFromMemoryCache(
3046     blink::WebLocalFrame* frame,
3047     const blink::WebURLRequest& request,
3048     const blink::WebURLResponse& response) {
3049   DCHECK(!frame_ || frame_ == frame);
3050   // The recipients of this message have no use for data: URLs: they don't
3051   // affect the page's insecure content list and are not in the disk cache. To
3052   // prevent large (1M+) data: URLs from crashing in the IPC system, we simply
3053   // filter them out here.
3054   GURL url(request.url());
3055   if (url.SchemeIs(url::kDataScheme))
3056     return;
3057
3058   // Let the browser know we loaded a resource from the memory cache.  This
3059   // message is needed to display the correct SSL indicators.
3060   render_view_->Send(new ViewHostMsg_DidLoadResourceFromMemoryCache(
3061       render_view_->GetRoutingID(),
3062       url,
3063       response.securityInfo(),
3064       request.httpMethod().utf8(),
3065       response.mimeType().utf8(),
3066       WebURLRequestToResourceType(request)));
3067 }
3068
3069 void RenderFrameImpl::didDisplayInsecureContent(blink::WebLocalFrame* frame) {
3070   DCHECK(!frame_ || frame_ == frame);
3071   render_view_->Send(new ViewHostMsg_DidDisplayInsecureContent(
3072       render_view_->GetRoutingID()));
3073 }
3074
3075 void RenderFrameImpl::didRunInsecureContent(
3076     blink::WebLocalFrame* frame,
3077     const blink::WebSecurityOrigin& origin,
3078     const blink::WebURL& target) {
3079   DCHECK(!frame_ || frame_ == frame);
3080   render_view_->Send(new ViewHostMsg_DidRunInsecureContent(
3081       render_view_->GetRoutingID(),
3082       origin.toString().utf8(),
3083       target));
3084 }
3085
3086 void RenderFrameImpl::didAbortLoading(blink::WebLocalFrame* frame) {
3087   DCHECK(!frame_ || frame_ == frame);
3088 #if defined(ENABLE_PLUGINS)
3089   if (frame != render_view_->webview()->mainFrame())
3090     return;
3091   PluginChannelHost::Broadcast(
3092       new PluginHostMsg_DidAbortLoading(render_view_->GetRoutingID()));
3093 #endif
3094 }
3095
3096 void RenderFrameImpl::didCreateScriptContext(blink::WebLocalFrame* frame,
3097                                              v8::Handle<v8::Context> context,
3098                                              int extension_group,
3099                                              int world_id) {
3100   DCHECK(!frame_ || frame_ == frame);
3101   GetContentClient()->renderer()->DidCreateScriptContext(
3102       frame, context, extension_group, world_id);
3103 }
3104
3105 void RenderFrameImpl::willReleaseScriptContext(blink::WebLocalFrame* frame,
3106                                                v8::Handle<v8::Context> context,
3107                                                int world_id) {
3108   DCHECK(!frame_ || frame_ == frame);
3109
3110   FOR_EACH_OBSERVER(RenderFrameObserver,
3111                     observers_,
3112                     WillReleaseScriptContext(context, world_id));
3113 }
3114
3115 void RenderFrameImpl::didFirstVisuallyNonEmptyLayout(
3116     blink::WebLocalFrame* frame) {
3117   DCHECK(!frame_ || frame_ == frame);
3118   if (frame->parent())
3119     return;
3120
3121   InternalDocumentStateData* data =
3122       InternalDocumentStateData::FromDataSource(frame->dataSource());
3123   data->set_did_first_visually_non_empty_layout(true);
3124
3125 #if defined(OS_ANDROID)
3126   GetRenderWidget()->DidChangeBodyBackgroundColor(
3127       render_view_->webwidget_->backgroundColor());
3128 #endif
3129
3130   GetRenderWidget()->QueueMessage(
3131       new FrameHostMsg_DidFirstVisuallyNonEmptyPaint(routing_id_),
3132       MESSAGE_DELIVERY_POLICY_WITH_VISUAL_STATE);
3133 }
3134
3135 void RenderFrameImpl::didChangeScrollOffset(blink::WebLocalFrame* frame) {
3136   DCHECK(!frame_ || frame_ == frame);
3137   // TODO(nasko): Move implementation here. Needed methods:
3138   // * StartNavStateSyncTimerIfNecessary
3139   render_view_->didChangeScrollOffset(frame);
3140 }
3141
3142 void RenderFrameImpl::willInsertBody(blink::WebLocalFrame* frame) {
3143   DCHECK(!frame_ || frame_ == frame);
3144   if (!frame->parent()) {
3145     render_view_->Send(new ViewHostMsg_WillInsertBody(
3146         render_view_->GetRoutingID()));
3147   }
3148 }
3149
3150 void RenderFrameImpl::reportFindInPageMatchCount(int request_id,
3151                                                  int count,
3152                                                  bool final_update) {
3153   int active_match_ordinal = -1;  // -1 = don't update active match ordinal
3154   if (!count)
3155     active_match_ordinal = 0;
3156
3157   render_view_->Send(new ViewHostMsg_Find_Reply(
3158       render_view_->GetRoutingID(), request_id, count,
3159       gfx::Rect(), active_match_ordinal, final_update));
3160 }
3161
3162 void RenderFrameImpl::reportFindInPageSelection(
3163     int request_id,
3164     int active_match_ordinal,
3165     const blink::WebRect& selection_rect) {
3166   render_view_->Send(new ViewHostMsg_Find_Reply(
3167       render_view_->GetRoutingID(), request_id, -1, selection_rect,
3168       active_match_ordinal, false));
3169 }
3170
3171 void RenderFrameImpl::requestStorageQuota(
3172     blink::WebLocalFrame* frame,
3173     blink::WebStorageQuotaType type,
3174     unsigned long long requested_size,
3175     blink::WebStorageQuotaCallbacks callbacks) {
3176   DCHECK(!frame_ || frame_ == frame);
3177   WebSecurityOrigin origin = frame->document().securityOrigin();
3178   if (origin.isUnique()) {
3179     // Unique origins cannot store persistent state.
3180     callbacks.didFail(blink::WebStorageQuotaErrorAbort);
3181     return;
3182   }
3183   ChildThread::current()->quota_dispatcher()->RequestStorageQuota(
3184       render_view_->GetRoutingID(),
3185       GURL(origin.toString()),
3186       static_cast<storage::StorageType>(type),
3187       requested_size,
3188       QuotaDispatcher::CreateWebStorageQuotaCallbacksWrapper(callbacks));
3189 }
3190
3191 void RenderFrameImpl::willOpenWebSocket(blink::WebSocketHandle* handle) {
3192   WebSocketBridge* impl = static_cast<WebSocketBridge*>(handle);
3193   impl->set_render_frame_id(routing_id_);
3194 }
3195
3196 blink::WebGeolocationClient* RenderFrameImpl::geolocationClient() {
3197   if (!geolocation_dispatcher_)
3198     geolocation_dispatcher_ = new GeolocationDispatcher(this);
3199   return geolocation_dispatcher_;
3200 }
3201
3202 blink::WebPushClient* RenderFrameImpl::pushClient() {
3203   if (!push_messaging_dispatcher_)
3204     push_messaging_dispatcher_ = new PushMessagingDispatcher(this);
3205   return push_messaging_dispatcher_;
3206 }
3207
3208 void RenderFrameImpl::willStartUsingPeerConnectionHandler(
3209     blink::WebLocalFrame* frame,
3210     blink::WebRTCPeerConnectionHandler* handler) {
3211   DCHECK(!frame_ || frame_ == frame);
3212 #if defined(ENABLE_WEBRTC)
3213   static_cast<RTCPeerConnectionHandler*>(handler)->associateWithFrame(frame);
3214 #endif
3215 }
3216
3217 blink::WebUserMediaClient* RenderFrameImpl::userMediaClient() {
3218   if (!web_user_media_client_)
3219     InitializeUserMediaClient();
3220   return web_user_media_client_;
3221 }
3222
3223 blink::WebMIDIClient* RenderFrameImpl::webMIDIClient() {
3224   if (!midi_dispatcher_)
3225     midi_dispatcher_ = new MidiDispatcher(this);
3226   return midi_dispatcher_;
3227 }
3228
3229 bool RenderFrameImpl::willCheckAndDispatchMessageEvent(
3230     blink::WebLocalFrame* source_frame,
3231     blink::WebFrame* target_frame,
3232     blink::WebSecurityOrigin target_origin,
3233     blink::WebDOMMessageEvent event) {
3234   DCHECK(!frame_ || frame_ == target_frame);
3235
3236   if (!is_swapped_out_)
3237     return false;
3238
3239   ViewMsg_PostMessage_Params params;
3240   params.is_data_raw_string = false;
3241   params.data = event.data().toString();
3242   params.source_origin = event.origin();
3243   if (!target_origin.isNull())
3244     params.target_origin = target_origin.toString();
3245
3246   blink::WebMessagePortChannelArray channels = event.releaseChannels();
3247   if (!channels.isEmpty()) {
3248     std::vector<int> message_port_ids(channels.size());
3249      // Extract the port IDs from the channel array.
3250      for (size_t i = 0; i < channels.size(); ++i) {
3251        WebMessagePortChannelImpl* webchannel =
3252            static_cast<WebMessagePortChannelImpl*>(channels[i]);
3253        message_port_ids[i] = webchannel->message_port_id();
3254        webchannel->QueueMessages();
3255        DCHECK_NE(message_port_ids[i], MSG_ROUTING_NONE);
3256      }
3257      params.message_port_ids = message_port_ids;
3258   }
3259
3260   // Include the routing ID for the source frame (if one exists), which the
3261   // browser process will translate into the routing ID for the equivalent
3262   // frame in the target process.
3263   params.source_routing_id = MSG_ROUTING_NONE;
3264   if (source_frame) {
3265     RenderViewImpl* source_view =
3266         RenderViewImpl::FromWebView(source_frame->view());
3267     if (source_view)
3268       params.source_routing_id = source_view->routing_id();
3269   }
3270
3271   Send(new ViewHostMsg_RouteMessageEvent(render_view_->routing_id_, params));
3272   return true;
3273 }
3274
3275 blink::WebString RenderFrameImpl::userAgentOverride(blink::WebLocalFrame* frame,
3276                                                     const blink::WebURL& url) {
3277   DCHECK(!frame_ || frame_ == frame);
3278   std::string user_agent_override_for_url =
3279       GetContentClient()->renderer()->GetUserAgentOverrideForURL(GURL(url));
3280   if (!user_agent_override_for_url.empty())
3281     return WebString::fromUTF8(user_agent_override_for_url);
3282
3283   if (!render_view_->webview() || !render_view_->webview()->mainFrame() ||
3284       render_view_->renderer_preferences_.user_agent_override.empty()) {
3285     return blink::WebString();
3286   }
3287
3288   // TODO(nasko): When the top-level frame is remote, there is no WebDataSource
3289   // associated with it, so the checks below are not valid. Temporarily
3290   // return early and fix properly as part of https://crbug.com/426555.
3291   if (render_view_->webview()->mainFrame()->isWebRemoteFrame())
3292     return blink::WebString();
3293
3294   // If we're in the middle of committing a load, the data source we need
3295   // will still be provisional.
3296   WebFrame* main_frame = render_view_->webview()->mainFrame();
3297   WebDataSource* data_source = NULL;
3298   if (main_frame->provisionalDataSource())
3299     data_source = main_frame->provisionalDataSource();
3300   else
3301     data_source = main_frame->dataSource();
3302
3303   InternalDocumentStateData* internal_data = data_source ?
3304       InternalDocumentStateData::FromDataSource(data_source) : NULL;
3305   if (internal_data && internal_data->is_overriding_user_agent())
3306     return WebString::fromUTF8(
3307         render_view_->renderer_preferences_.user_agent_override);
3308   return blink::WebString();
3309 }
3310
3311 blink::WebString RenderFrameImpl::doNotTrackValue(blink::WebLocalFrame* frame) {
3312   DCHECK(!frame_ || frame_ == frame);
3313   if (render_view_->renderer_preferences_.enable_do_not_track)
3314     return WebString::fromUTF8("1");
3315   return WebString();
3316 }
3317
3318 bool RenderFrameImpl::allowWebGL(blink::WebLocalFrame* frame,
3319                                  bool default_value) {
3320   DCHECK(!frame_ || frame_ == frame);
3321   if (!default_value)
3322     return false;
3323
3324   bool blocked = true;
3325   render_view_->Send(new ViewHostMsg_Are3DAPIsBlocked(
3326       render_view_->GetRoutingID(),
3327       GURL(frame->top()->document().securityOrigin().toString()),
3328       THREE_D_API_TYPE_WEBGL,
3329       &blocked));
3330   return !blocked;
3331 }
3332
3333 void RenderFrameImpl::didLoseWebGLContext(blink::WebLocalFrame* frame,
3334                                           int arb_robustness_status_code) {
3335   DCHECK(!frame_ || frame_ == frame);
3336   render_view_->Send(new ViewHostMsg_DidLose3DContext(
3337       GURL(frame->top()->document().securityOrigin().toString()),
3338       THREE_D_API_TYPE_WEBGL,
3339       arb_robustness_status_code));
3340 }
3341
3342 blink::WebScreenOrientationClient*
3343     RenderFrameImpl::webScreenOrientationClient() {
3344   if (!screen_orientation_dispatcher_)
3345     screen_orientation_dispatcher_ = new ScreenOrientationDispatcher(this);
3346   return screen_orientation_dispatcher_;
3347 }
3348
3349 bool RenderFrameImpl::isControlledByServiceWorker(WebDataSource& data_source) {
3350   ServiceWorkerNetworkProvider* provider =
3351       ServiceWorkerNetworkProvider::FromDocumentState(
3352           DocumentState::FromDataSource(&data_source));
3353   return provider->context()->controller_handle_id() !=
3354       kInvalidServiceWorkerHandleId;
3355 }
3356
3357 int64_t RenderFrameImpl::serviceWorkerID(WebDataSource& data_source) {
3358   ServiceWorkerNetworkProvider* provider =
3359       ServiceWorkerNetworkProvider::FromDocumentState(
3360           DocumentState::FromDataSource(&data_source));
3361
3362   if (provider->context()->controller())
3363     return provider->context()->controller()->version_id();
3364   return kInvalidServiceWorkerVersionId;
3365 }
3366
3367 void RenderFrameImpl::postAccessibilityEvent(const blink::WebAXObject& obj,
3368                                              blink::WebAXEvent event) {
3369   HandleWebAccessibilityEvent(obj, event);
3370 }
3371
3372 void RenderFrameImpl::handleAccessibilityFindInPageResult(
3373     int identifier,
3374     int match_index,
3375     const blink::WebAXObject& start_object,
3376     int start_offset,
3377     const blink::WebAXObject& end_object,
3378     int end_offset) {
3379   if (renderer_accessibility_) {
3380     renderer_accessibility_->HandleAccessibilityFindInPageResult(
3381         identifier, match_index, start_object, start_offset,
3382         end_object, end_offset);
3383   }
3384 }
3385
3386 void RenderFrameImpl::didChangeManifest(blink::WebLocalFrame* frame)
3387 {
3388   DCHECK(!frame_ || frame_ == frame);
3389
3390   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidChangeManifest());
3391 }
3392
3393 void RenderFrameImpl::DidPlay(blink::WebMediaPlayer* player) {
3394   Send(new FrameHostMsg_MediaPlayingNotification(
3395       routing_id_, reinterpret_cast<int64>(player), player->hasVideo(),
3396       player->hasAudio(), player->isRemote()));
3397 }
3398
3399 void RenderFrameImpl::DidPause(blink::WebMediaPlayer* player) {
3400   Send(new FrameHostMsg_MediaPausedNotification(
3401       routing_id_, reinterpret_cast<int64>(player)));
3402 }
3403
3404 void RenderFrameImpl::PlayerGone(blink::WebMediaPlayer* player) {
3405   DidPause(player);
3406 }
3407
3408 void RenderFrameImpl::AddObserver(RenderFrameObserver* observer) {
3409   observers_.AddObserver(observer);
3410 }
3411
3412 void RenderFrameImpl::RemoveObserver(RenderFrameObserver* observer) {
3413   observer->RenderFrameGone();
3414   observers_.RemoveObserver(observer);
3415 }
3416
3417 void RenderFrameImpl::OnStop() {
3418   DCHECK(frame_);
3419   frame_->stopLoading();
3420   if (!frame_->parent())
3421     FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers_, OnStop());
3422
3423   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, OnStop());
3424 }
3425
3426 void RenderFrameImpl::WasHidden() {
3427   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, WasHidden());
3428 }
3429
3430 void RenderFrameImpl::WasShown() {
3431   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, WasShown());
3432 }
3433
3434 bool RenderFrameImpl::IsHidden() {
3435   return GetRenderWidget()->is_hidden();
3436 }
3437
3438 // Tell the embedding application that the URL of the active page has changed.
3439 void RenderFrameImpl::SendDidCommitProvisionalLoad(blink::WebFrame* frame) {
3440   DCHECK(!frame_ || frame_ == frame);
3441   WebDataSource* ds = frame->dataSource();
3442   DCHECK(ds);
3443
3444   const WebURLRequest& request = ds->request();
3445   const WebURLResponse& response = ds->response();
3446
3447   DocumentState* document_state = DocumentState::FromDataSource(ds);
3448   NavigationState* navigation_state = document_state->navigation_state();
3449   InternalDocumentStateData* internal_data =
3450       InternalDocumentStateData::FromDocumentState(document_state);
3451
3452   FrameHostMsg_DidCommitProvisionalLoad_Params params;
3453   params.http_status_code = response.httpStatusCode();
3454   params.url_is_unreachable = ds->hasUnreachableURL();
3455   params.is_post = false;
3456   params.post_id = -1;
3457   params.page_id = render_view_->page_id_;
3458   // We need to track the RenderViewHost routing_id because of downstream
3459   // dependencies (crbug.com/392171 DownloadRequestHandle, SaveFileManager,
3460   // ResourceDispatcherHostImpl, MediaStreamUIProxy,
3461   // SpeechRecognitionDispatcherHost and possibly others). They look up the view
3462   // based on the ID stored in the resource requests. Once those dependencies
3463   // are unwound or moved to RenderFrameHost (crbug.com/304341) we can move the
3464   // client to be based on the routing_id of the RenderFrameHost.
3465   params.render_view_routing_id = render_view_->routing_id();
3466   params.socket_address.set_host(response.remoteIPAddress().utf8());
3467   params.socket_address.set_port(response.remotePort());
3468   WebURLResponseExtraDataImpl* extra_data = GetExtraDataFromResponse(response);
3469   if (extra_data)
3470     params.was_fetched_via_proxy = extra_data->was_fetched_via_proxy();
3471   params.was_within_same_page = navigation_state->was_within_same_page();
3472   params.security_info = response.securityInfo();
3473
3474   // Set the URL to be displayed in the browser UI to the user.
3475   params.url = GetLoadingUrl();
3476   DCHECK(!is_swapped_out_ || params.url == GURL(kSwappedOutURL));
3477
3478   if (frame->document().baseURL() != params.url)
3479     params.base_url = frame->document().baseURL();
3480
3481   GetRedirectChain(ds, &params.redirects);
3482   params.should_update_history = !ds->hasUnreachableURL() &&
3483       !response.isMultipartPayload() && (response.httpStatusCode() != 404);
3484
3485   params.searchable_form_url = internal_data->searchable_form_url();
3486   params.searchable_form_encoding = internal_data->searchable_form_encoding();
3487
3488   params.gesture = render_view_->navigation_gesture_;
3489   render_view_->navigation_gesture_ = NavigationGestureUnknown;
3490
3491   // Make navigation state a part of the DidCommitProvisionalLoad message so
3492   // that commited entry has it at all times.
3493   HistoryEntry* entry = render_view_->history_controller()->GetCurrentEntry();
3494   if (entry)
3495     params.page_state = HistoryEntryToPageState(entry);
3496   else
3497     params.page_state = PageState::CreateFromURL(request.url());
3498
3499   if (!frame->parent()) {
3500     // Top-level navigation.
3501
3502     // Reset the zoom limits in case a plugin had changed them previously. This
3503     // will also call us back which will cause us to send a message to
3504     // update WebContentsImpl.
3505     render_view_->webview()->zoomLimitsChanged(
3506         ZoomFactorToZoomLevel(kMinimumZoomFactor),
3507         ZoomFactorToZoomLevel(kMaximumZoomFactor));
3508
3509     // Set zoom level, but don't do it for full-page plugin since they don't use
3510     // the same zoom settings.
3511     HostZoomLevels::iterator host_zoom =
3512         render_view_->host_zoom_levels_.find(GURL(request.url()));
3513     if (render_view_->webview()->mainFrame()->document().isPluginDocument()) {
3514       // Reset the zoom levels for plugins.
3515       render_view_->webview()->setZoomLevel(0);
3516     } else {
3517       // If the zoom level is not found, then do nothing. In-page navigation
3518       // relies on not changing the zoom level in this case.
3519       if (host_zoom != render_view_->host_zoom_levels_.end())
3520         render_view_->webview()->setZoomLevel(host_zoom->second);
3521     }
3522
3523     if (host_zoom != render_view_->host_zoom_levels_.end()) {
3524       // This zoom level was merely recorded transiently for this load.  We can
3525       // erase it now.  If at some point we reload this page, the browser will
3526       // send us a new, up-to-date zoom level.
3527       render_view_->host_zoom_levels_.erase(host_zoom);
3528     }
3529
3530     // Update contents MIME type for main frame.
3531     params.contents_mime_type = ds->response().mimeType().utf8();
3532
3533     params.transition = navigation_state->transition_type();
3534     if (!ui::PageTransitionIsMainFrame(params.transition)) {
3535       // If the main frame does a load, it should not be reported as a subframe
3536       // navigation.  This can occur in the following case:
3537       // 1. You're on a site with frames.
3538       // 2. You do a subframe navigation.  This is stored with transition type
3539       //    MANUAL_SUBFRAME.
3540       // 3. You navigate to some non-frame site, say, google.com.
3541       // 4. You navigate back to the page from step 2.  Since it was initially
3542       //    MANUAL_SUBFRAME, it will be that same transition type here.
3543       // We don't want that, because any navigation that changes the toplevel
3544       // frame should be tracked as a toplevel navigation (this allows us to
3545       // update the URL bar, etc).
3546       params.transition = ui::PAGE_TRANSITION_LINK;
3547     }
3548
3549     // If the page contained a client redirect (meta refresh, document.loc...),
3550     // set the referrer and transition appropriately.
3551     if (ds->isClientRedirect()) {
3552       params.referrer =
3553           Referrer(params.redirects[0], ds->request().referrerPolicy());
3554       params.transition = ui::PageTransitionFromInt(
3555           params.transition | ui::PAGE_TRANSITION_CLIENT_REDIRECT);
3556     } else {
3557       params.referrer = RenderViewImpl::GetReferrerFromRequest(
3558           frame, ds->request());
3559     }
3560
3561     base::string16 method = request.httpMethod();
3562     if (EqualsASCII(method, "POST")) {
3563       params.is_post = true;
3564       params.post_id = ExtractPostId(entry->root());
3565     }
3566
3567     // Send the user agent override back.
3568     params.is_overriding_user_agent = internal_data->is_overriding_user_agent();
3569
3570     // Track the URL of the original request.  We use the first entry of the
3571     // redirect chain if it exists because the chain may have started in another
3572     // process.
3573     params.original_request_url = GetOriginalRequestURL(ds);
3574
3575     params.history_list_was_cleared =
3576         navigation_state->history_list_was_cleared();
3577
3578     // Save some histogram data so we can compute the average memory used per
3579     // page load of the glyphs.
3580     UMA_HISTOGRAM_COUNTS_10000("Memory.GlyphPagesPerLoad",
3581                                blink::WebGlyphCache::pageCount());
3582
3583     // This message needs to be sent before any of allowScripts(),
3584     // allowImages(), allowPlugins() is called for the new page, so that when
3585     // these functions send a ViewHostMsg_ContentBlocked message, it arrives
3586     // after the FrameHostMsg_DidCommitProvisionalLoad message.
3587     Send(new FrameHostMsg_DidCommitProvisionalLoad(routing_id_, params));
3588   } else {
3589     // Subframe navigation: the type depends on whether this navigation
3590     // generated a new session history entry. When they do generate a session
3591     // history entry, it means the user initiated the navigation and we should
3592     // mark it as such. This test checks if this is the first time
3593     // SendDidCommitProvisionalLoad has been called since WillNavigateToURL was
3594     // called to initiate the load.
3595     if (render_view_->page_id_ > render_view_->last_page_id_sent_to_browser_)
3596       params.transition = ui::PAGE_TRANSITION_MANUAL_SUBFRAME;
3597     else
3598       params.transition = ui::PAGE_TRANSITION_AUTO_SUBFRAME;
3599
3600     DCHECK(!navigation_state->history_list_was_cleared());
3601     params.history_list_was_cleared = false;
3602
3603     // Don't send this message while the subframe is swapped out.
3604     if (!is_swapped_out())
3605       Send(new FrameHostMsg_DidCommitProvisionalLoad(routing_id_, params));
3606   }
3607
3608   render_view_->last_page_id_sent_to_browser_ =
3609       std::max(render_view_->last_page_id_sent_to_browser_,
3610                render_view_->page_id_);
3611
3612   // If we end up reusing this WebRequest (for example, due to a #ref click),
3613   // we don't want the transition type to persist.  Just clear it.
3614   navigation_state->set_transition_type(ui::PAGE_TRANSITION_LINK);
3615 }
3616
3617 WebElement RenderFrameImpl::GetFocusedElement() {
3618   WebDocument doc = frame_->document();
3619   if (!doc.isNull())
3620     return doc.focusedElement();
3621
3622   return WebElement();
3623 }
3624
3625 void RenderFrameImpl::didStartLoading(bool to_different_document) {
3626   TRACE_EVENT1("navigation", "RenderFrameImpl::didStartLoading",
3627                "id", routing_id_);
3628   render_view_->FrameDidStartLoading(frame_);
3629   Send(new FrameHostMsg_DidStartLoading(routing_id_, to_different_document));
3630 }
3631
3632 void RenderFrameImpl::didStopLoading() {
3633   TRACE_EVENT1("navigation", "RenderFrameImpl::didStopLoading",
3634                "id", routing_id_);
3635   render_view_->FrameDidStopLoading(frame_);
3636   Send(new FrameHostMsg_DidStopLoading(routing_id_));
3637 }
3638
3639 void RenderFrameImpl::didChangeLoadProgress(double load_progress) {
3640   Send(new FrameHostMsg_DidChangeLoadProgress(routing_id_, load_progress));
3641 }
3642
3643 void RenderFrameImpl::HandleWebAccessibilityEvent(
3644     const blink::WebAXObject& obj, blink::WebAXEvent event) {
3645   if (renderer_accessibility_)
3646     renderer_accessibility_->HandleWebAccessibilityEvent(obj, event);
3647 }
3648
3649 void RenderFrameImpl::FocusedNodeChanged(const WebNode& node) {
3650   if (renderer_accessibility_)
3651     renderer_accessibility_->FocusedNodeChanged(node);
3652 }
3653
3654 // PlzNavigate
3655 void RenderFrameImpl::OnRequestNavigation(
3656     const CommonNavigationParams& common_params,
3657     const RequestNavigationParams& request_params) {
3658   CHECK(CommandLine::ForCurrentProcess()->HasSwitch(
3659       switches::kEnableBrowserSideNavigation));
3660   WebURLRequest request =
3661       CreateURLRequestForNavigation(common_params,
3662                                     request_params,
3663                                     scoped_ptr<StreamOverrideParameters>(),
3664                                     frame_->isViewSourceModeEnabled());
3665   BeginNavigation(&request);
3666 }
3667
3668 // PlzNavigate
3669 void RenderFrameImpl::OnCommitNavigation(
3670     const ResourceResponseHead& response,
3671     const GURL& stream_url,
3672     const CommonNavigationParams& common_params,
3673     const CommitNavigationParams& commit_params) {
3674   CHECK(CommandLine::ForCurrentProcess()->HasSwitch(
3675       switches::kEnableBrowserSideNavigation));
3676   bool is_reload = false;
3677   WebURLRequest::CachePolicy cache_policy =
3678       WebURLRequest::UseProtocolCachePolicy;
3679   if (!RenderFrameImpl::PrepareRenderViewForNavigation(
3680       common_params.url, common_params.navigation_type,
3681       commit_params.page_state, false, -1, -1, &is_reload, &cache_policy)) {
3682     return;
3683   }
3684
3685   GetContentClient()->SetActiveURL(common_params.url);
3686
3687   // Create a WebURLRequest that blink can use to get access to the body of the
3688   // response through a stream in the browser. Blink will then commit the
3689   // navigation.
3690   // TODO(clamy): Have the navigation commit directly, without going through
3691   // loading a WebURLRequest.
3692   scoped_ptr<StreamOverrideParameters> stream_override(
3693       new StreamOverrideParameters());
3694   stream_override->stream_url = stream_url;
3695   stream_override->response = response;
3696   WebURLRequest request =
3697       CreateURLRequestForNavigation(common_params,
3698                                     RequestNavigationParams(),
3699                                     stream_override.Pass(),
3700                                     frame_->isViewSourceModeEnabled());
3701
3702   // Make sure that blink loader will not try to use browser side navigation for
3703   // this request (since it already went to the browser).
3704   request.setCheckForBrowserSideNavigation(false);
3705
3706   // Record this before starting the load. A lower bound of this time is needed
3707   // to sanitize the navigationStart override set below.
3708   base::TimeTicks renderer_navigation_start = base::TimeTicks::Now();
3709   frame_->loadRequest(request);
3710   UpdateFrameNavigationTiming(
3711       frame_, commit_params.browser_navigation_start,
3712       renderer_navigation_start);
3713 }
3714
3715 WebNavigationPolicy RenderFrameImpl::DecidePolicyForNavigation(
3716     RenderFrame* render_frame,
3717     const NavigationPolicyInfo& info) {
3718 #ifdef OS_ANDROID
3719   // The handlenavigation API is deprecated and will be removed once
3720   // crbug.com/325351 is resolved.
3721   if (info.urlRequest.url() != GURL(kSwappedOutURL) &&
3722       GetContentClient()->renderer()->HandleNavigation(
3723           render_frame,
3724           static_cast<DocumentState*>(info.extraData),
3725           render_view_->opener_id_,
3726           info.frame,
3727           info.urlRequest,
3728           info.navigationType,
3729           info.defaultPolicy,
3730           info.isRedirect)) {
3731     return blink::WebNavigationPolicyIgnore;
3732   }
3733 #endif
3734
3735   Referrer referrer(RenderViewImpl::GetReferrerFromRequest(info.frame,
3736                                                            info.urlRequest));
3737   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
3738
3739   bool is_subframe = !!info.frame->parent();
3740
3741   if (command_line.HasSwitch(switches::kSitePerProcess) && is_subframe) {
3742     // There's no reason to ignore navigations on subframes, since the swap out
3743     // logic no longer applies.
3744   } else {
3745     if (is_swapped_out_) {
3746       if (info.urlRequest.url() != GURL(kSwappedOutURL)) {
3747         // Targeted links may try to navigate a swapped out frame.  Allow the
3748         // browser process to navigate the tab instead.  Note that it is also
3749         // possible for non-targeted navigations (from this view) to arrive
3750         // here just after we are swapped out.  It's ok to send them to the
3751         // browser, as long as they're for the top level frame.
3752         // TODO(creis): Ensure this supports targeted form submissions when
3753         // fixing http://crbug.com/101395.
3754         if (info.frame->parent() == NULL) {
3755           OpenURL(info.frame, info.urlRequest.url(), referrer,
3756                   info.defaultPolicy);
3757           return blink::WebNavigationPolicyIgnore;  // Suppress the load here.
3758         }
3759
3760         // We should otherwise ignore in-process iframe navigations, if they
3761         // arrive just after we are swapped out.
3762         return blink::WebNavigationPolicyIgnore;
3763       }
3764
3765       // Allow kSwappedOutURL to complete.
3766       return info.defaultPolicy;
3767     }
3768   }
3769
3770   // Webkit is asking whether to navigate to a new URL.
3771   // This is fine normally, except if we're showing UI from one security
3772   // context and they're trying to navigate to a different context.
3773   const GURL& url = info.urlRequest.url();
3774
3775   // A content initiated navigation may have originated from a link-click,
3776   // script, drag-n-drop operation, etc.
3777   bool is_content_initiated = static_cast<DocumentState*>(info.extraData)->
3778           navigation_state()->is_content_initiated();
3779
3780   // Experimental:
3781   // If --enable-strict-site-isolation is enabled, send all top-level
3782   // navigations to the browser to let it swap processes when crossing site
3783   // boundaries.  This is currently expected to break some script calls and
3784   // navigations, such as form submissions.
3785   bool force_swap_due_to_flag =
3786       command_line.HasSwitch(switches::kEnableStrictSiteIsolation);
3787   if (force_swap_due_to_flag &&
3788       !info.frame->parent() && (is_content_initiated || info.isRedirect)) {
3789     WebString origin_str = info.frame->document().securityOrigin().toString();
3790     GURL frame_url(origin_str.utf8().data());
3791     // TODO(cevans): revisit whether this site check is still necessary once
3792     // crbug.com/101395 is fixed.
3793     bool same_domain_or_host =
3794         net::registry_controlled_domains::SameDomainOrHost(
3795             frame_url,
3796             url,
3797             net::registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES);
3798     // Only keep same-site (domain + scheme) and data URLs in the same process.
3799     bool is_same_site =
3800         (same_domain_or_host && frame_url.scheme() == url.scheme()) ||
3801         url.SchemeIs(url::kDataScheme);
3802     if (!is_same_site) {
3803       OpenURL(info.frame, url, referrer, info.defaultPolicy);
3804       return blink::WebNavigationPolicyIgnore;
3805     }
3806   }
3807
3808   // If the browser is interested, then give it a chance to look at the request.
3809   if (is_content_initiated) {
3810     bool is_form_post =
3811         ((info.navigationType == blink::WebNavigationTypeFormSubmitted) ||
3812             (info.navigationType == blink::WebNavigationTypeFormResubmitted)) &&
3813         EqualsASCII(info.urlRequest.httpMethod(), "POST");
3814     bool browser_handles_request =
3815         render_view_->renderer_preferences_
3816             .browser_handles_non_local_top_level_requests
3817         && IsNonLocalTopLevelNavigation(url, info.frame, info.navigationType,
3818                                         is_form_post);
3819     if (!browser_handles_request) {
3820       browser_handles_request = IsTopLevelNavigation(info.frame) &&
3821           render_view_->renderer_preferences_
3822               .browser_handles_all_top_level_requests;
3823     }
3824
3825     if (browser_handles_request) {
3826       OpenURL(info.frame, url, referrer, info.defaultPolicy);
3827       return blink::WebNavigationPolicyIgnore;  // Suppress the load here.
3828     }
3829   }
3830
3831   // Use the frame's original request's URL rather than the document's URL for
3832   // subsequent checks.  For a popup, the document's URL may become the opener
3833   // window's URL if the opener has called document.write().
3834   // See http://crbug.com/93517.
3835   GURL old_url(info.frame->dataSource()->request().url());
3836
3837   // Detect when we're crossing a permission-based boundary (e.g. into or out of
3838   // an extension or app origin, leaving a WebUI page, etc). We only care about
3839   // top-level navigations (not iframes). But we sometimes navigate to
3840   // about:blank to clear a tab, and we want to still allow that.
3841   //
3842   // Note: this is known to break POST submissions when crossing process
3843   // boundaries until http://crbug.com/101395 is fixed.  This is better for
3844   // security than loading a WebUI, extension or app page in the wrong process.
3845   // POST requests don't work because this mechanism does not preserve form
3846   // POST data. We will need to send the request's httpBody data up to the
3847   // browser process, and issue a special POST navigation in WebKit (via
3848   // FrameLoader::loadFrameRequest). See ResourceDispatcher and WebURLLoaderImpl
3849   // for examples of how to send the httpBody data.
3850   if (!info.frame->parent() && is_content_initiated &&
3851       !url.SchemeIs(url::kAboutScheme)) {
3852     bool send_referrer = false;
3853
3854     // All navigations to or from WebUI URLs or within WebUI-enabled
3855     // RenderProcesses must be handled by the browser process so that the
3856     // correct bindings and data sources can be registered.
3857     // Similarly, navigations to view-source URLs or within ViewSource mode
3858     // must be handled by the browser process (except for reloads - those are
3859     // safe to leave within the renderer).
3860     // Lastly, access to file:// URLs from non-file:// URL pages must be
3861     // handled by the browser so that ordinary renderer processes don't get
3862     // blessed with file permissions.
3863     int cumulative_bindings = RenderProcess::current()->GetEnabledBindings();
3864     bool is_initial_navigation = render_view_->page_id_ == -1;
3865     bool should_fork = HasWebUIScheme(url) || HasWebUIScheme(old_url) ||
3866         (cumulative_bindings & BINDINGS_POLICY_WEB_UI) ||
3867         url.SchemeIs(kViewSourceScheme) ||
3868         (info.frame->isViewSourceModeEnabled() &&
3869             info.navigationType != blink::WebNavigationTypeReload);
3870
3871     if (!should_fork && url.SchemeIs(url::kFileScheme)) {
3872       // Fork non-file to file opens.  Check the opener URL if this is the
3873       // initial navigation in a newly opened window.
3874       GURL source_url(old_url);
3875       if (is_initial_navigation && source_url.is_empty() &&
3876           info.frame->opener())
3877         source_url = info.frame->opener()->top()->document().url();
3878       DCHECK(!source_url.is_empty());
3879       should_fork = !source_url.SchemeIs(url::kFileScheme);
3880     }
3881
3882     if (!should_fork) {
3883       // Give the embedder a chance.
3884       should_fork = GetContentClient()->renderer()->ShouldFork(
3885           info.frame, url, info.urlRequest.httpMethod().utf8(),
3886           is_initial_navigation, info.isRedirect, &send_referrer);
3887     }
3888
3889     if (should_fork) {
3890       OpenURL(info.frame, url, send_referrer ? referrer : Referrer(),
3891               info.defaultPolicy);
3892       return blink::WebNavigationPolicyIgnore;  // Suppress the load here.
3893     }
3894   }
3895
3896   // Detect when a page is "forking" a new tab that can be safely rendered in
3897   // its own process.  This is done by sites like Gmail that try to open links
3898   // in new windows without script connections back to the original page.  We
3899   // treat such cases as browser navigations (in which we will create a new
3900   // renderer for a cross-site navigation), rather than WebKit navigations.
3901   //
3902   // We use the following heuristic to decide whether to fork a new page in its
3903   // own process:
3904   // The parent page must open a new tab to about:blank, set the new tab's
3905   // window.opener to null, and then redirect the tab to a cross-site URL using
3906   // JavaScript.
3907   //
3908   // TODO(creis): Deprecate this logic once we can rely on rel=noreferrer
3909   // (see below).
3910   bool is_fork =
3911       // Must start from a tab showing about:blank, which is later redirected.
3912       old_url == GURL(url::kAboutBlankURL) &&
3913       // Must be the first real navigation of the tab.
3914       render_view_->historyBackListCount() < 1 &&
3915       render_view_->historyForwardListCount() < 1 &&
3916       // The parent page must have set the child's window.opener to null before
3917       // redirecting to the desired URL.
3918       info.frame->opener() == NULL &&
3919       // Must be a top-level frame.
3920       info.frame->parent() == NULL &&
3921       // Must not have issued the request from this page.
3922       is_content_initiated &&
3923       // Must be targeted at the current tab.
3924       info.defaultPolicy == blink::WebNavigationPolicyCurrentTab &&
3925       // Must be a JavaScript navigation, which appears as "other".
3926       info.navigationType == blink::WebNavigationTypeOther;
3927
3928   if (is_fork) {
3929     // Open the URL via the browser, not via WebKit.
3930     OpenURL(info.frame, url, Referrer(), info.defaultPolicy);
3931     return blink::WebNavigationPolicyIgnore;
3932   }
3933
3934   // PlzNavigate: send the request to the browser if needed.
3935   if (CommandLine::ForCurrentProcess()->HasSwitch(
3936       switches::kEnableBrowserSideNavigation) &&
3937       info.urlRequest.checkForBrowserSideNavigation()) {
3938     BeginNavigation(&info.urlRequest);
3939     return blink::WebNavigationPolicyIgnore;
3940   }
3941
3942   return info.defaultPolicy;
3943 }
3944
3945 void RenderFrameImpl::OpenURL(WebFrame* frame,
3946                               const GURL& url,
3947                               const Referrer& referrer,
3948                               WebNavigationPolicy policy) {
3949   DCHECK_EQ(frame_, frame);
3950
3951   FrameHostMsg_OpenURL_Params params;
3952   params.url = url;
3953   params.referrer = referrer;
3954   params.disposition = RenderViewImpl::NavigationPolicyToDisposition(policy);
3955   WebDataSource* ds = frame->provisionalDataSource();
3956   if (ds) {
3957     DocumentState* document_state = DocumentState::FromDataSource(ds);
3958     NavigationState* navigation_state = document_state->navigation_state();
3959     if (navigation_state->is_content_initiated()) {
3960       params.should_replace_current_entry = ds->replacesCurrentHistoryItem();
3961     } else {
3962       // This is necessary to preserve the should_replace_current_entry value on
3963       // cross-process redirects, in the event it was set by a previous process.
3964       //
3965       // TODO(davidben): Avoid this awkward duplication of state. See comment on
3966       // NavigationState::should_replace_current_entry().
3967       params.should_replace_current_entry =
3968           navigation_state->should_replace_current_entry();
3969     }
3970   } else {
3971     params.should_replace_current_entry = false;
3972   }
3973   params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
3974   if (GetContentClient()->renderer()->AllowPopup())
3975     params.user_gesture = true;
3976
3977   if (policy == blink::WebNavigationPolicyNewBackgroundTab ||
3978       policy == blink::WebNavigationPolicyNewForegroundTab ||
3979       policy == blink::WebNavigationPolicyNewWindow ||
3980       policy == blink::WebNavigationPolicyNewPopup) {
3981     WebUserGestureIndicator::consumeUserGesture();
3982   }
3983
3984   Send(new FrameHostMsg_OpenURL(routing_id_, params));
3985 }
3986
3987 void RenderFrameImpl::UpdateEncoding(WebFrame* frame,
3988                                      const std::string& encoding_name) {
3989   // Only update main frame's encoding_name.
3990   if (!frame->parent())
3991     Send(new FrameHostMsg_UpdateEncoding(routing_id_, encoding_name));
3992 }
3993
3994 void RenderFrameImpl::SyncSelectionIfRequired() {
3995   base::string16 text;
3996   size_t offset;
3997   gfx::Range range;
3998 #if defined(ENABLE_PLUGINS)
3999   if (render_view_->focused_pepper_plugin_) {
4000     render_view_->focused_pepper_plugin_->GetSurroundingText(&text, &range);
4001     offset = 0;  // Pepper API does not support offset reporting.
4002     // TODO(kinaba): cut as needed.
4003   } else
4004 #endif
4005   {
4006     size_t location, length;
4007     if (!GetRenderWidget()->webwidget()->caretOrSelectionRange(
4008             &location, &length)) {
4009       return;
4010     }
4011
4012     range = gfx::Range(location, location + length);
4013
4014     if (GetRenderWidget()->webwidget()->textInputInfo().type !=
4015             blink::WebTextInputTypeNone) {
4016       // If current focused element is editable, we will send 100 more chars
4017       // before and after selection. It is for input method surrounding text
4018       // feature.
4019       if (location > kExtraCharsBeforeAndAfterSelection)
4020         offset = location - kExtraCharsBeforeAndAfterSelection;
4021       else
4022         offset = 0;
4023       length = location + length - offset + kExtraCharsBeforeAndAfterSelection;
4024       WebRange webrange = WebRange::fromDocumentRange(frame_, offset, length);
4025       if (!webrange.isNull())
4026         text = WebRange::fromDocumentRange(
4027             frame_, offset, length).toPlainText();
4028     } else {
4029       offset = location;
4030       text = frame_->selectionAsText();
4031       // http://crbug.com/101435
4032       // In some case, frame->selectionAsText() returned text's length is not
4033       // equal to the length returned from webwidget()->caretOrSelectionRange().
4034       // So we have to set the range according to text.length().
4035       range.set_end(range.start() + text.length());
4036     }
4037   }
4038
4039   // Sometimes we get repeated didChangeSelection calls from webkit when
4040   // the selection hasn't actually changed. We don't want to report these
4041   // because it will cause us to continually claim the X clipboard.
4042   if (selection_text_offset_ != offset ||
4043       selection_range_ != range ||
4044       selection_text_ != text) {
4045     selection_text_ = text;
4046     selection_text_offset_ = offset;
4047     selection_range_ = range;
4048     SetSelectedText(text, offset, range);
4049   }
4050   GetRenderWidget()->UpdateSelectionBounds();
4051 }
4052
4053 void RenderFrameImpl::InitializeUserMediaClient() {
4054   if (!RenderThreadImpl::current())  // Will be NULL during unit tests.
4055     return;
4056
4057 #if defined(OS_ANDROID)
4058   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisableWebRTC))
4059     return;
4060 #endif
4061
4062 #if defined(ENABLE_WEBRTC)
4063   DCHECK(!web_user_media_client_);
4064   web_user_media_client_ = new UserMediaClientImpl(
4065       this,
4066       RenderThreadImpl::current()->GetPeerConnectionDependencyFactory(),
4067       make_scoped_ptr(new MediaStreamDispatcher(this)).Pass());
4068 #endif
4069 }
4070
4071 WebMediaPlayer* RenderFrameImpl::CreateWebMediaPlayerForMediaStream(
4072     const blink::WebURL& url,
4073     WebMediaPlayerClient* client) {
4074 #if defined(ENABLE_WEBRTC)
4075 #if defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL)
4076   bool found_neon =
4077       (android_getCpuFeatures() & ANDROID_CPU_ARM_FEATURE_NEON) != 0;
4078   UMA_HISTOGRAM_BOOLEAN("Platform.WebRtcNEONFound", found_neon);
4079 #endif  // defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL)
4080   return new WebMediaPlayerMS(frame_, client, weak_factory_.GetWeakPtr(),
4081                               new RenderMediaLog(),
4082                               CreateRendererFactory());
4083 #else
4084   return NULL;
4085 #endif  // defined(ENABLE_WEBRTC)
4086 }
4087
4088 scoped_ptr<MediaStreamRendererFactory>
4089 RenderFrameImpl::CreateRendererFactory() {
4090 #if defined(ENABLE_WEBRTC)
4091   return scoped_ptr<MediaStreamRendererFactory>(
4092       new MediaStreamRendererFactory());
4093 #else
4094   return scoped_ptr<MediaStreamRendererFactory>(
4095       static_cast<MediaStreamRendererFactory*>(NULL));
4096 #endif
4097 }
4098
4099 bool RenderFrameImpl::PrepareRenderViewForNavigation(
4100     const GURL& url,
4101     FrameMsg_Navigate_Type::Value navigate_type,
4102     const PageState& state,
4103     bool check_history,
4104     int pending_history_list_offset,
4105     int32 page_id,
4106     bool* is_reload,
4107     WebURLRequest::CachePolicy* cache_policy) {
4108   MaybeHandleDebugURL(url);
4109   if (!render_view_->webview())
4110     return false;
4111
4112   FOR_EACH_OBSERVER(
4113       RenderViewObserver, render_view_->observers_, Navigate(url));
4114
4115   // If this is a stale back/forward (due to a recent navigation the browser
4116   // didn't know about), ignore it.
4117   if (check_history && render_view_->IsBackForwardToStaleEntry(
4118       state, pending_history_list_offset, page_id, *is_reload))
4119     return false;
4120
4121   if (!is_swapped_out_ || frame_->parent())
4122     return true;
4123
4124   // This is a swapped out main frame, so swap the renderer back in.
4125   // We marked the view as hidden when swapping the view out, so be sure to
4126   // reset the visibility state before navigating to the new URL.
4127   render_view_->webview()->setVisibilityState(
4128       render_view_->visibilityState(), false);
4129
4130   // If this is an attempt to reload while we are swapped out, we should not
4131   // reload swappedout://, but the previous page, which is stored in
4132   // params.state.  Setting is_reload to false will treat this like a back
4133   // navigation to accomplish that.
4134   *is_reload = false;
4135   *cache_policy = WebURLRequest::ReloadIgnoringCacheData;
4136
4137   // We refresh timezone when a view is swapped in since timezone
4138   // can get out of sync when the system timezone is updated while
4139   // the view is swapped out.
4140   RenderThreadImpl::NotifyTimezoneChange();
4141
4142   render_view_->SetSwappedOut(false);
4143   is_swapped_out_ = false;
4144   return true;
4145 }
4146
4147 void RenderFrameImpl::BeginNavigation(blink::WebURLRequest* request) {
4148   CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch(
4149       switches::kEnableBrowserSideNavigation));
4150   DCHECK(request);
4151   // TODO(clamy): Execute the beforeunload event.
4152
4153   // Note: At this stage, the goal is to apply all the modifications the
4154   // renderer wants to make to the request, and then send it to the browser, so
4155   // that the actual network request can be started. Ideally, all such
4156   // modifications should take place in willSendRequest, and in the
4157   // implementation of willSendRequest for the various InspectorAgents
4158   // (devtools).
4159   //
4160   // TODO(clamy): Apply devtools override.
4161   // TODO(clamy): Make sure that navigation requests are not modified somewhere
4162   // else in blink.
4163   willSendRequest(frame_, 0, *request, blink::WebURLResponse());
4164
4165   // TODO(clamy): Same-document navigations should not be sent back to the
4166   // browser.
4167   // TODO(clamy): Data urls should not be sent back to the browser either.
4168   Send(new FrameHostMsg_BeginNavigation(routing_id_,
4169                                         MakeBeginNavigationParams(request),
4170                                         MakeCommonNavigationParams(request)));
4171 }
4172
4173 GURL RenderFrameImpl::GetLoadingUrl() const {
4174   WebDataSource* ds = frame_->dataSource();
4175   if (ds->hasUnreachableURL())
4176     return ds->unreachableURL();
4177
4178   const WebURLRequest& request = ds->request();
4179   return request.url();
4180 }
4181
4182 #if defined(OS_ANDROID)
4183
4184 WebMediaPlayer* RenderFrameImpl::CreateAndroidWebMediaPlayer(
4185     const blink::WebURL& url,
4186     WebMediaPlayerClient* client,
4187     blink::WebContentDecryptionModule* initial_cdm) {
4188   GpuChannelHost* gpu_channel_host =
4189       RenderThreadImpl::current()->EstablishGpuChannelSync(
4190           CAUSE_FOR_GPU_LAUNCH_VIDEODECODEACCELERATOR_INITIALIZE);
4191   if (!gpu_channel_host) {
4192     LOG(ERROR) << "Failed to establish GPU channel for media player";
4193     return NULL;
4194   }
4195
4196   scoped_refptr<StreamTextureFactory> stream_texture_factory;
4197   if (SynchronousCompositorFactory* factory =
4198           SynchronousCompositorFactory::GetInstance()) {
4199     stream_texture_factory = factory->CreateStreamTextureFactory(routing_id_);
4200   } else {
4201     scoped_refptr<webkit::gpu::ContextProviderWebContext> context_provider =
4202         RenderThreadImpl::current()->SharedMainThreadContextProvider();
4203
4204     if (!context_provider.get()) {
4205       LOG(ERROR) << "Failed to get context3d for media player";
4206       return NULL;
4207     }
4208
4209     stream_texture_factory = StreamTextureFactoryImpl::Create(
4210         context_provider, gpu_channel_host, routing_id_);
4211   }
4212
4213   return new WebMediaPlayerAndroid(
4214       frame_,
4215       client,
4216       weak_factory_.GetWeakPtr(),
4217       GetMediaPlayerManager(),
4218       GetCdmManager(),
4219       initial_cdm,
4220       stream_texture_factory,
4221       RenderThreadImpl::current()->GetMediaThreadTaskRunner(),
4222       new RenderMediaLog());
4223 }
4224
4225 RendererMediaPlayerManager* RenderFrameImpl::GetMediaPlayerManager() {
4226   if (!media_player_manager_)
4227     media_player_manager_ = new RendererMediaPlayerManager(this);
4228   return media_player_manager_;
4229 }
4230
4231 #endif  // defined(OS_ANDROID)
4232
4233 #if defined(ENABLE_BROWSER_CDMS)
4234 RendererCdmManager* RenderFrameImpl::GetCdmManager() {
4235   if (!cdm_manager_)
4236     cdm_manager_ = new RendererCdmManager(this);
4237   return cdm_manager_;
4238 }
4239 #endif  // defined(ENABLE_BROWSER_CDMS)
4240
4241 }  // namespace content