chrome/renderer/chrome_content_renderer_client.cc

   1 // Copyright (c) 2012 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 "chrome/renderer/chrome_content_renderer_client.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/debug/crash_logging.h"
   9 #include "base/logging.h"
  10 #include "base/metrics/field_trial.h"
  11 #include "base/metrics/histogram.h"
  12 #include "base/metrics/user_metrics_action.h"
  13 #include "base/strings/string_number_conversions.h"
  14 #include "base/strings/string_util.h"
  15 #include "base/strings/utf_string_conversions.h"
  16 #include "base/values.h"
  17 #include "chrome/common/chrome_paths.h"
  18 #include "chrome/common/chrome_switches.h"
  19 #include "chrome/common/chrome_version_info.h"
  20 #include "chrome/common/crash_keys.h"
  21 #include "chrome/common/extensions/extension_metrics.h"
  22 #include "chrome/common/localized_error.h"
  23 #include "chrome/common/pepper_permission_util.h"
  24 #include "chrome/common/render_messages.h"
  25 #include "chrome/common/secure_origin_whitelist.h"
  26 #include "chrome/common/url_constants.h"
  27 #include "chrome/grit/generated_resources.h"
  28 #include "chrome/grit/locale_settings.h"
  29 #include "chrome/grit/renderer_resources.h"
  30 #include "chrome/renderer/banners/app_banner_client.h"
  31 #include "chrome/renderer/benchmarking_extension.h"
  32 #include "chrome/renderer/chrome_render_frame_observer.h"
  33 #include "chrome/renderer/chrome_render_process_observer.h"
  34 #include "chrome/renderer/chrome_render_view_observer.h"
  35 #include "chrome/renderer/content_settings_observer.h"
  36 #include "chrome/renderer/external_extension.h"
  37 #include "chrome/renderer/loadtimes_extension_bindings.h"
  38 #include "chrome/renderer/media/chrome_key_systems.h"
  39 #include "chrome/renderer/net/net_error_helper.h"
  40 #include "chrome/renderer/net_benchmarking_extension.h"
  41 #include "chrome/renderer/page_load_histograms.h"
  42 #include "chrome/renderer/pepper/pepper_helper.h"
  43 #include "chrome/renderer/plugins/non_loadable_plugin_placeholder.h"
  44 #include "chrome/renderer/plugins/plugin_preroller.h"
  45 #include "chrome/renderer/plugins/plugin_uma.h"
  46 #include "chrome/renderer/plugins/shadow_dom_plugin_placeholder.h"
  47 #include "chrome/renderer/prerender/prerender_dispatcher.h"
  48 #include "chrome/renderer/prerender/prerender_helper.h"
  49 #include "chrome/renderer/prerender/prerender_media_load_deferrer.h"
  50 #include "chrome/renderer/prerender/prerenderer_client.h"
  51 #include "chrome/renderer/safe_browsing/malware_dom_details.h"
  52 #include "chrome/renderer/safe_browsing/phishing_classifier_delegate.h"
  53 #include "chrome/renderer/searchbox/search_bouncer.h"
  54 #include "chrome/renderer/searchbox/searchbox.h"
  55 #include "chrome/renderer/searchbox/searchbox_extension.h"
  56 #include "chrome/renderer/tts_dispatcher.h"
  57 #include "chrome/renderer/worker_content_settings_client_proxy.h"
  58 #include "components/autofill/content/renderer/autofill_agent.h"
  59 #include "components/autofill/content/renderer/password_autofill_agent.h"
  60 #include "components/autofill/content/renderer/password_generation_agent.h"
  61 #include "components/content_settings/core/common/content_settings_pattern.h"
  62 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_headers.h"
  63 #include "components/dom_distiller/core/url_constants.h"
  64 #include "components/nacl/renderer/ppb_nacl_private.h"
  65 #include "components/nacl/renderer/ppb_nacl_private_impl.h"
  66 #include "components/network_hints/renderer/prescient_networking_dispatcher.h"
  67 #include "components/password_manager/content/renderer/credential_manager_client.h"
  68 #include "components/pdf/renderer/pepper_pdf_host.h"
  69 #include "components/plugins/renderer/mobile_youtube_plugin.h"
  70 #include "components/signin/core/common/profile_management_switches.h"
  71 #include "components/visitedlink/renderer/visitedlink_slave.h"
  72 #include "components/web_cache/renderer/web_cache_render_process_observer.h"
  73 #include "content/public/common/content_constants.h"
  74 #include "content/public/renderer/plugin_instance_throttler.h"
  75 #include "content/public/renderer/render_frame.h"
  76 #include "content/public/renderer/render_thread.h"
  77 #include "content/public/renderer/render_view.h"
  78 #include "content/public/renderer/render_view_visitor.h"
  79 #include "extensions/common/constants.h"
  80 #include "ipc/ipc_sync_channel.h"
  81 #include "net/base/net_errors.h"
  82 #include "ppapi/c/private/ppb_pdf.h"
  83 #include "ppapi/shared_impl/ppapi_switches.h"
  84 #include "third_party/WebKit/public/platform/WebURL.h"
  85 #include "third_party/WebKit/public/platform/WebURLError.h"
  86 #include "third_party/WebKit/public/platform/WebURLRequest.h"
  87 #include "third_party/WebKit/public/platform/WebURLResponse.h"
  88 #include "third_party/WebKit/public/web/WebCache.h"
  89 #include "third_party/WebKit/public/web/WebDataSource.h"
  90 #include "third_party/WebKit/public/web/WebDocument.h"
  91 #include "third_party/WebKit/public/web/WebElement.h"
  92 #include "third_party/WebKit/public/web/WebLocalFrame.h"
  93 #include "third_party/WebKit/public/web/WebPluginContainer.h"
  94 #include "third_party/WebKit/public/web/WebPluginParams.h"
  95 #include "third_party/WebKit/public/web/WebPluginPlaceholder.h"
  96 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
  97 #include "third_party/WebKit/public/web/WebSecurityPolicy.h"
  98 #include "ui/base/l10n/l10n_util.h"
  99 #include "ui/base/layout.h"
 100 #include "ui/base/resource/resource_bundle.h"
 101 #include "ui/base/webui/jstemplate_builder.h"
 102 #include "widevine_cdm_version.h"  // In SHARED_INTERMEDIATE_DIR.
 103
 104 #if !defined(DISABLE_NACL)
 105 #include "components/nacl/common/nacl_constants.h"
 106 #include "components/nacl/renderer/nacl_helper.h"
 107 #endif
 108
 109 #if defined(ENABLE_EXTENSIONS)
 110 #include "chrome/common/extensions/chrome_extensions_client.h"
 111 #include "chrome/common/extensions/extension_process_policy.h"
 112 #include "chrome/renderer/extensions/chrome_extensions_dispatcher_delegate.h"
 113 #include "chrome/renderer/extensions/chrome_extensions_renderer_client.h"
 114 #include "chrome/renderer/extensions/renderer_permissions_policy_delegate.h"
 115 #include "chrome/renderer/extensions/resource_request_policy.h"
 116 #include "chrome/renderer/media/cast_ipc_dispatcher.h"
 117 #include "extensions/common/extension.h"
 118 #include "extensions/common/extension_set.h"
 119 #include "extensions/common/extension_urls.h"
 120 #include "extensions/common/switches.h"
 121 #include "extensions/renderer/dispatcher.h"
 122 #include "extensions/renderer/extension_frame_helper.h"
 123 #include "extensions/renderer/extension_helper.h"
 124 #include "extensions/renderer/extensions_render_frame_observer.h"
 125 #include "extensions/renderer/guest_view/extensions_guest_view_container.h"
 126 #include "extensions/renderer/guest_view/extensions_guest_view_container_dispatcher.h"
 127 #include "extensions/renderer/guest_view/mime_handler_view/mime_handler_view_container.h"
 128 #include "extensions/renderer/script_context.h"
 129 #endif
 130
 131 #if defined(ENABLE_IPC_FUZZER)
 132 #include "chrome/common/external_ipc_dumper.h"
 133 #endif
 134
 135 #if defined(ENABLE_PLUGINS)
 136 #include "chrome/renderer/plugins/chrome_plugin_placeholder.h"
 137 #endif
 138
 139 #if defined(ENABLE_PRINTING)
 140 #include "chrome/renderer/printing/chrome_print_web_view_helper_delegate.h"
 141 #include "components/printing/renderer/print_web_view_helper.h"
 142 #endif
 143
 144 #if defined(ENABLE_PRINT_PREVIEW)
 145 #include "chrome/renderer/pepper/chrome_pdf_print_client.h"
 146 #endif
 147
 148 #if defined(ENABLE_SPELLCHECK)
 149 #include "chrome/renderer/spellchecker/spellcheck.h"
 150 #include "chrome/renderer/spellchecker/spellcheck_provider.h"
 151 #endif
 152
 153 #if defined(ENABLE_WEBRTC)
 154 #include "chrome/renderer/media/webrtc_logging_message_filter.h"
 155 #endif
 156
 157 using autofill::AutofillAgent;
 158 using autofill::PasswordAutofillAgent;
 159 using autofill::PasswordGenerationAgent;
 160 using base::ASCIIToUTF16;
 161 using base::UserMetricsAction;
 162 using content::PluginInstanceThrottler;
 163 using content::RenderFrame;
 164 using content::RenderThread;
 165 using content::WebPluginInfo;
 166 using extensions::Extension;
 167 using blink::WebCache;
 168 using blink::WebConsoleMessage;
 169 using blink::WebDataSource;
 170 using blink::WebDocument;
 171 using blink::WebLocalFrame;
 172 using blink::WebPlugin;
 173 using blink::WebPluginParams;
 174 using blink::WebSecurityOrigin;
 175 using blink::WebSecurityPolicy;
 176 using blink::WebString;
 177 using blink::WebURL;
 178 using blink::WebURLError;
 179 using blink::WebURLRequest;
 180 using blink::WebURLResponse;
 181 using blink::WebVector;
 182
 183 namespace {
 184
 185 ChromeContentRendererClient* g_current_client;
 186
 187 // Whitelist PPAPI for Android Runtime for Chromium. (See crbug.com/383937)
 188 #if defined(ENABLE_PLUGINS)
 189 const char* const kPredefinedAllowedCameraDeviceOrigins[] = {
 190   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",
 191   "4EB74897CB187C7633357C2FE832E0AD6A44883A"
 192 };
 193
 194 const char* const kPredefinedAllowedCompositorOrigins[] = {
 195   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",
 196   "4EB74897CB187C7633357C2FE832E0AD6A44883A"
 197 };
 198 #endif
 199
 200 #if defined(ENABLE_PLUGINS)
 201 void AppendParams(const std::vector<base::string16>& additional_names,
 202                   const std::vector<base::string16>& additional_values,
 203                   WebVector<WebString>* existing_names,
 204                   WebVector<WebString>* existing_values) {
 205   DCHECK(additional_names.size() == additional_values.size());
 206   DCHECK(existing_names->size() == existing_values->size());
 207
 208   size_t existing_size = existing_names->size();
 209   size_t total_size = existing_size + additional_names.size();
 210
 211   WebVector<WebString> names(total_size);
 212   WebVector<WebString> values(total_size);
 213
 214   for (size_t i = 0; i < existing_size; ++i) {
 215     names[i] = (*existing_names)[i];
 216     values[i] = (*existing_values)[i];
 217   }
 218
 219   for (size_t i = 0; i < additional_names.size(); ++i) {
 220     names[existing_size + i] = additional_names[i];
 221     values[existing_size + i] = additional_values[i];
 222   }
 223
 224   existing_names->swap(names);
 225   existing_values->swap(values);
 226 }
 227
 228 // For certain sandboxed Pepper plugins, use the JavaScript Content Settings.
 229 bool ShouldUseJavaScriptSettingForPlugin(const WebPluginInfo& plugin) {
 230   if (plugin.type != WebPluginInfo::PLUGIN_TYPE_PEPPER_IN_PROCESS &&
 231       plugin.type != WebPluginInfo::PLUGIN_TYPE_PEPPER_OUT_OF_PROCESS) {
 232     return false;
 233   }
 234
 235 #if !defined(DISABLE_NACL)
 236   // Treat Native Client invocations like JavaScript.
 237   if (plugin.name == ASCIIToUTF16(nacl::kNaClPluginName))
 238     return true;
 239 #endif
 240
 241 #if defined(WIDEVINE_CDM_AVAILABLE) && defined(ENABLE_PEPPER_CDMS)
 242   // Treat CDM invocations like JavaScript.
 243   if (plugin.name == ASCIIToUTF16(kWidevineCdmDisplayName)) {
 244     DCHECK(plugin.type == WebPluginInfo::PLUGIN_TYPE_PEPPER_OUT_OF_PROCESS);
 245     return true;
 246   }
 247 #endif  // defined(WIDEVINE_CDM_AVAILABLE) && defined(ENABLE_PEPPER_CDMS)
 248
 249   return false;
 250 }
 251 #endif  // defined(ENABLE_PLUGINS)
 252
 253 #if defined(ENABLE_SPELLCHECK)
 254 class SpellCheckReplacer : public content::RenderViewVisitor {
 255  public:
 256   explicit SpellCheckReplacer(SpellCheck* spellcheck)
 257       : spellcheck_(spellcheck) {}
 258   bool Visit(content::RenderView* render_view) override;
 259
 260  private:
 261   SpellCheck* spellcheck_;  // New shared spellcheck for all views. Weak Ptr.
 262   DISALLOW_COPY_AND_ASSIGN(SpellCheckReplacer);
 263 };
 264
 265 bool SpellCheckReplacer::Visit(content::RenderView* render_view) {
 266   SpellCheckProvider* provider = SpellCheckProvider::Get(render_view);
 267   DCHECK(provider);
 268   provider->set_spellcheck(spellcheck_);
 269   return true;
 270 }
 271 #endif
 272
 273 #if defined(ENABLE_EXTENSIONS)
 274 void IsGuestViewApiAvailableToScriptContext(
 275     bool* api_is_available,
 276     extensions::ScriptContext* context) {
 277   if (context->GetAvailability("guestViewInternal").is_available()) {
 278     *api_is_available = true;
 279   }
 280 }
 281 #endif
 282
 283 #if defined(ENABLE_PLUGINS)
 284 // Presence of the poster param within plugin object tags.
 285 // These numeric values are used in UMA logs; do not change them.
 286 enum PosterParamPresence {
 287   POSTER_PRESENCE_NO_PARAM_PPS_DISABLED = 0,
 288   POSTER_PRESENCE_NO_PARAM_PPS_ENABLED = 1,
 289   POSTER_PRESENCE_PARAM_EXISTS_PPS_DISABLED = 2,
 290   POSTER_PRESENCE_PARAM_EXISTS_PPS_ENABLED = 3,
 291   POSTER_PRESENCE_NUM_ITEMS
 292 };
 293
 294 const char kPluginPowerSaverPosterParamPresenceHistogram[] =
 295     "Plugin.PowerSaver.PosterParamPresence";
 296
 297 void RecordPosterParamPresence(PosterParamPresence presence) {
 298   UMA_HISTOGRAM_ENUMERATION(kPluginPowerSaverPosterParamPresenceHistogram,
 299                             presence, POSTER_PRESENCE_NUM_ITEMS);
 300 }
 301
 302 void TrackPosterParamPresence(const blink::WebPluginParams& params,
 303                               bool power_saver_enabled) {
 304   DCHECK_EQ(params.attributeNames.size(), params.attributeValues.size());
 305
 306   for (size_t i = 0; i < params.attributeNames.size(); ++i) {
 307     if (params.attributeNames[i].utf8() == "poster") {
 308       if (power_saver_enabled)
 309         RecordPosterParamPresence(POSTER_PRESENCE_PARAM_EXISTS_PPS_ENABLED);
 310       else
 311         RecordPosterParamPresence(POSTER_PRESENCE_PARAM_EXISTS_PPS_DISABLED);
 312
 313       return;
 314     }
 315   }
 316
 317   if (power_saver_enabled)
 318     RecordPosterParamPresence(POSTER_PRESENCE_NO_PARAM_PPS_ENABLED);
 319   else
 320     RecordPosterParamPresence(POSTER_PRESENCE_NO_PARAM_PPS_DISABLED);
 321 }
 322
 323 std::string GetPluginInstancePosterAttribute(
 324     const blink::WebPluginParams& params) {
 325   DCHECK_EQ(params.attributeNames.size(), params.attributeValues.size());
 326
 327   for (size_t i = 0; i < params.attributeNames.size(); ++i) {
 328     if (params.attributeNames[i].utf8() == "poster" &&
 329         !params.attributeValues[i].isEmpty()) {
 330       return params.attributeValues[i].utf8();
 331     }
 332   }
 333   return std::string();
 334 }
 335 #endif
 336
 337 #if defined(ENABLE_EXTENSIONS)
 338 bool IsStandaloneExtensionProcess() {
 339   return base::CommandLine::ForCurrentProcess()->HasSwitch(
 340       extensions::switches::kExtensionProcess);
 341 }
 342 #endif
 343 }  // namespace
 344
 345 ChromeContentRendererClient::ChromeContentRendererClient() {
 346   g_current_client = this;
 347
 348 #if defined(ENABLE_EXTENSIONS)
 349   extensions::ExtensionsClient::Set(
 350       extensions::ChromeExtensionsClient::GetInstance());
 351   extensions::ExtensionsRendererClient::Set(
 352       ChromeExtensionsRendererClient::GetInstance());
 353 #endif
 354 #if defined(ENABLE_PLUGINS)
 355   for (size_t i = 0; i < arraysize(kPredefinedAllowedCameraDeviceOrigins); ++i)
 356     allowed_camera_device_origins_.insert(
 357         kPredefinedAllowedCameraDeviceOrigins[i]);
 358   for (size_t i = 0; i < arraysize(kPredefinedAllowedCompositorOrigins); ++i)
 359     allowed_compositor_origins_.insert(kPredefinedAllowedCompositorOrigins[i]);
 360 #endif
 361 }
 362
 363 ChromeContentRendererClient::~ChromeContentRendererClient() {
 364   g_current_client = NULL;
 365 }
 366
 367 void ChromeContentRendererClient::RenderThreadStarted() {
 368   RenderThread* thread = RenderThread::Get();
 369
 370   chrome_observer_.reset(new ChromeRenderProcessObserver());
 371   web_cache_observer_.reset(new web_cache::WebCacheRenderProcessObserver());
 372
 373 #if defined(ENABLE_EXTENSIONS)
 374   extension_dispatcher_delegate_.reset(
 375       new ChromeExtensionsDispatcherDelegate());
 376   // ChromeRenderViewTest::SetUp() creates its own ExtensionDispatcher and
 377   // injects it using SetExtensionDispatcher(). Don't overwrite it.
 378   if (!extension_dispatcher_) {
 379     extension_dispatcher_.reset(
 380         new extensions::Dispatcher(extension_dispatcher_delegate_.get()));
 381   }
 382   permissions_policy_delegate_.reset(
 383       new extensions::RendererPermissionsPolicyDelegate(
 384           extension_dispatcher_.get()));
 385   guest_view_container_dispatcher_.reset(
 386       new extensions::ExtensionsGuestViewContainerDispatcher());
 387 #endif
 388
 389   prescient_networking_dispatcher_.reset(
 390       new network_hints::PrescientNetworkingDispatcher());
 391 #if defined(ENABLE_SPELLCHECK)
 392   // ChromeRenderViewTest::SetUp() creates a Spellcheck and injects it using
 393   // SetSpellcheck(). Don't overwrite it.
 394   if (!spellcheck_) {
 395     spellcheck_.reset(new SpellCheck());
 396     thread->AddObserver(spellcheck_.get());
 397   }
 398 #endif
 399   visited_link_slave_.reset(new visitedlink::VisitedLinkSlave());
 400 #if defined(FULL_SAFE_BROWSING)
 401   phishing_classifier_.reset(safe_browsing::PhishingClassifierFilter::Create());
 402 #endif
 403   prerender_dispatcher_.reset(new prerender::PrerenderDispatcher());
 404 #if defined(ENABLE_WEBRTC)
 405   webrtc_logging_message_filter_ = new WebRtcLoggingMessageFilter(
 406       RenderThread::Get()->GetIOMessageLoopProxy());
 407 #endif
 408
 409   thread->AddObserver(chrome_observer_.get());
 410   thread->AddObserver(web_cache_observer_.get());
 411 #if defined(ENABLE_EXTENSIONS)
 412   thread->AddObserver(extension_dispatcher_.get());
 413   thread->AddObserver(guest_view_container_dispatcher_.get());
 414 #endif
 415 #if defined(FULL_SAFE_BROWSING)
 416   thread->AddObserver(phishing_classifier_.get());
 417 #endif
 418   thread->AddObserver(visited_link_slave_.get());
 419   thread->AddObserver(prerender_dispatcher_.get());
 420   thread->AddObserver(SearchBouncer::GetInstance());
 421
 422 #if defined(ENABLE_WEBRTC)
 423   thread->AddFilter(webrtc_logging_message_filter_.get());
 424 #endif
 425 #if defined(ENABLE_EXTENSIONS)
 426   thread->AddFilter(new CastIPCDispatcher(
 427       RenderThread::Get()->GetIOMessageLoopProxy()));
 428 #endif
 429
 430   thread->RegisterExtension(extensions_v8::ExternalExtension::Get());
 431   thread->RegisterExtension(extensions_v8::LoadTimesExtension::Get());
 432
 433   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
 434   if (command_line->HasSwitch(switches::kEnableBenchmarking))
 435     thread->RegisterExtension(extensions_v8::BenchmarkingExtension::Get());
 436   if (command_line->HasSwitch(switches::kEnableNetBenchmarking))
 437     thread->RegisterExtension(extensions_v8::NetBenchmarkingExtension::Get());
 438   if (command_line->HasSwitch(switches::kInstantProcess))
 439     thread->RegisterExtension(extensions_v8::SearchBoxExtension::Get());
 440
 441   // chrome-search: and chrome-distiller: pages  should not be accessible by
 442   // normal content, and should also be unable to script anything but themselves
 443   // (to help limit the damage that a corrupt page could cause).
 444   WebString chrome_search_scheme(ASCIIToUTF16(chrome::kChromeSearchScheme));
 445
 446   // The Instant process can only display the content but not read it.  Other
 447   // processes can't display it or read it.
 448   if (!command_line->HasSwitch(switches::kInstantProcess))
 449     WebSecurityPolicy::registerURLSchemeAsDisplayIsolated(chrome_search_scheme);
 450
 451   WebString dom_distiller_scheme(
 452       ASCIIToUTF16(dom_distiller::kDomDistillerScheme));
 453   // TODO(nyquist): Add test to ensure this happens when the flag is set.
 454   WebSecurityPolicy::registerURLSchemeAsDisplayIsolated(dom_distiller_scheme);
 455
 456 #if defined(OS_CHROMEOS)
 457   WebString external_file_scheme(ASCIIToUTF16(content::kExternalFileScheme));
 458   WebSecurityPolicy::registerURLSchemeAsLocal(external_file_scheme);
 459 #endif
 460
 461 #if defined(ENABLE_IPC_FUZZER)
 462   if (command_line->HasSwitch(switches::kIpcDumpDirectory)) {
 463     base::FilePath dump_directory =
 464         command_line->GetSwitchValuePath(switches::kIpcDumpDirectory);
 465     IPC::ChannelProxy::OutgoingMessageFilter* filter =
 466         LoadExternalIPCDumper(dump_directory);
 467     thread->GetChannel()->set_outgoing_message_filter(filter);
 468   }
 469 #endif
 470
 471   // chrome-search: pages should not be accessible by bookmarklets
 472   // or javascript: URLs typed in the omnibox.
 473   WebSecurityPolicy::registerURLSchemeAsNotAllowingJavascriptURLs(
 474       chrome_search_scheme);
 475
 476   // chrome-search:, chrome-extension:, and chrome-extension-resource:
 477   // resources shouldn't trigger insecure content warnings.
 478   WebSecurityPolicy::registerURLSchemeAsSecure(chrome_search_scheme);
 479
 480   WebString extension_scheme(ASCIIToUTF16(extensions::kExtensionScheme));
 481   WebSecurityPolicy::registerURLSchemeAsSecure(extension_scheme);
 482
 483   WebString extension_resource_scheme(
 484       ASCIIToUTF16(extensions::kExtensionResourceScheme));
 485   WebSecurityPolicy::registerURLSchemeAsSecure(extension_resource_scheme);
 486
 487   // chrome:, chrome-extension:, chrome-extension-resource: resources should be
 488   // allowed to receive CORS requests.
 489   WebSecurityPolicy::registerURLSchemeAsCORSEnabled(extension_scheme);
 490   WebSecurityPolicy::registerURLSchemeAsCORSEnabled(extension_resource_scheme);
 491
 492   // chrome-extension: resources should bypass Content Security Policy checks
 493   // when included in protected resources.
 494   WebSecurityPolicy::registerURLSchemeAsBypassingContentSecurityPolicy(
 495       extension_scheme);
 496   WebSecurityPolicy::registerURLSchemeAsBypassingContentSecurityPolicy(
 497       extension_resource_scheme);
 498
 499 #if defined(ENABLE_PRINT_PREVIEW)
 500   pdf_print_client_.reset(new ChromePDFPrintClient());
 501   pdf::PepperPDFHost::SetPrintClient(pdf_print_client_.get());
 502 #endif
 503
 504   std::set<GURL> origins;
 505   GetSecureOriginWhitelist(&origins);
 506   for (const GURL& origin : origins) {
 507     WebSecurityPolicy::addOriginTrustworthyWhiteList(
 508         WebSecurityOrigin::create(origin));
 509   }
 510 }
 511
 512 void ChromeContentRendererClient::RenderFrameCreated(
 513     content::RenderFrame* render_frame) {
 514   new ChromeRenderFrameObserver(render_frame);
 515
 516   bool should_whitelist_for_content_settings =
 517       base::CommandLine::ForCurrentProcess()->HasSwitch(
 518           switches::kInstantProcess);
 519   extensions::Dispatcher* ext_dispatcher = NULL;
 520 #if defined(ENABLE_EXTENSIONS)
 521   ext_dispatcher = extension_dispatcher_.get();
 522 #endif
 523   ContentSettingsObserver* content_settings = new ContentSettingsObserver(
 524       render_frame, ext_dispatcher, should_whitelist_for_content_settings);
 525   if (chrome_observer_.get()) {
 526     content_settings->SetContentSettingRules(
 527         chrome_observer_->content_setting_rules());
 528   }
 529
 530 #if defined(ENABLE_EXTENSIONS)
 531   new extensions::ExtensionsRenderFrameObserver(render_frame);
 532   new extensions::ExtensionFrameHelper(render_frame, ext_dispatcher);
 533   ext_dispatcher->OnRenderFrameCreated(render_frame);
 534 #endif
 535
 536 #if defined(ENABLE_PLUGINS)
 537   new PepperHelper(render_frame);
 538 #endif
 539
 540 #if !defined(DISABLE_NACL)
 541   new nacl::NaClHelper(render_frame);
 542 #endif
 543
 544   // TODO(jam): when the frame tree moves into content and parent() works at
 545   // RenderFrame construction, simplify this by just checking parent().
 546   if (render_frame->GetRenderView()->GetMainRenderFrame() != render_frame) {
 547     // Avoid any race conditions from having the browser tell subframes that
 548     // they're prerendering.
 549     if (prerender::PrerenderHelper::IsPrerendering(
 550             render_frame->GetRenderView()->GetMainRenderFrame())) {
 551       new prerender::PrerenderHelper(render_frame);
 552     }
 553   }
 554
 555   if (render_frame->GetRenderView()->GetMainRenderFrame() == render_frame) {
 556     // Only attach NetErrorHelper to the main frame, since only the main frame
 557     // should get error pages.
 558     new NetErrorHelper(render_frame);
 559   }
 560
 561   PasswordAutofillAgent* password_autofill_agent =
 562       new PasswordAutofillAgent(render_frame);
 563   PasswordGenerationAgent* password_generation_agent =
 564       new PasswordGenerationAgent(render_frame, password_autofill_agent);
 565   new AutofillAgent(render_frame, password_autofill_agent,
 566                     password_generation_agent);
 567 }
 568
 569 void ChromeContentRendererClient::RenderViewCreated(
 570     content::RenderView* render_view) {
 571
 572 #if defined(ENABLE_EXTENSIONS)
 573   new extensions::ExtensionHelper(render_view, extension_dispatcher_.get());
 574 #endif
 575   new PageLoadHistograms(render_view);
 576 #if defined(ENABLE_PRINTING)
 577   new printing::PrintWebViewHelper(
 578       render_view,
 579       scoped_ptr<printing::PrintWebViewHelper::Delegate>(
 580           new ChromePrintWebViewHelperDelegate()));
 581 #endif
 582 #if defined(ENABLE_SPELLCHECK)
 583   new SpellCheckProvider(render_view, spellcheck_.get());
 584 #endif
 585   new prerender::PrerendererClient(render_view);
 586 #if defined(FULL_SAFE_BROWSING)
 587   safe_browsing::MalwareDOMDetails::Create(render_view);
 588 #endif
 589
 590   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
 591   if (command_line->HasSwitch(switches::kInstantProcess))
 592     new SearchBox(render_view);
 593
 594   new ChromeRenderViewObserver(render_view, web_cache_observer_.get());
 595
 596   new password_manager::CredentialManagerClient(render_view);
 597 }
 598
 599
 600 SkBitmap* ChromeContentRendererClient::GetSadPluginBitmap() {
 601   return const_cast<SkBitmap*>(ResourceBundle::GetSharedInstance().
 602       GetImageNamed(IDR_SAD_PLUGIN).ToSkBitmap());
 603 }
 604
 605 SkBitmap* ChromeContentRendererClient::GetSadWebViewBitmap() {
 606   return const_cast<SkBitmap*>(ResourceBundle::GetSharedInstance().
 607       GetImageNamed(IDR_SAD_WEBVIEW).ToSkBitmap());
 608 }
 609
 610 #if defined(ENABLE_EXTENSIONS)
 611 const Extension* ChromeContentRendererClient::GetExtensionByOrigin(
 612     const WebSecurityOrigin& origin) const {
 613   if (!base::EqualsASCII(origin.protocol(), extensions::kExtensionScheme))
 614     return NULL;
 615
 616   const std::string extension_id = origin.host().utf8().data();
 617   return extension_dispatcher_->extensions()->GetByID(extension_id);
 618 }
 619 #endif
 620
 621 scoped_ptr<blink::WebPluginPlaceholder>
 622 ChromeContentRendererClient::CreatePluginPlaceholder(
 623     content::RenderFrame* render_frame,
 624     blink::WebLocalFrame* frame,
 625     const blink::WebPluginParams& orig_params) {
 626   return CreateShadowDOMPlaceholderForPluginInfo(
 627       render_frame, frame, orig_params);
 628 }
 629
 630 bool ChromeContentRendererClient::OverrideCreatePlugin(
 631     content::RenderFrame* render_frame,
 632     blink::WebLocalFrame* frame,
 633     const WebPluginParams& params,
 634     WebPlugin** plugin) {
 635   std::string orig_mime_type = params.mimeType.utf8();
 636 #if defined(ENABLE_EXTENSIONS)
 637   if (orig_mime_type == content::kBrowserPluginMimeType) {
 638     bool guest_view_api_available = false;
 639     extension_dispatcher_->script_context_set().ForEach(
 640         render_frame, base::Bind(&IsGuestViewApiAvailableToScriptContext,
 641                                  &guest_view_api_available));
 642     if (guest_view_api_available)
 643       return false;
 644   }
 645 #endif
 646
 647   GURL url(params.url);
 648 #if defined(ENABLE_PLUGINS)
 649   ChromeViewHostMsg_GetPluginInfo_Output output;
 650   render_frame->Send(new ChromeViewHostMsg_GetPluginInfo(
 651       render_frame->GetRoutingID(), url, frame->top()->document().url(),
 652       orig_mime_type, &output));
 653   *plugin = CreatePlugin(render_frame, frame, params, output);
 654 #else  // !defined(ENABLE_PLUGINS)
 655
 656 #if defined(OS_ANDROID)
 657   if (plugins::MobileYouTubePlugin::IsYouTubeURL(url, orig_mime_type)) {
 658     base::StringPiece template_html(
 659         ResourceBundle::GetSharedInstance().GetRawDataResource(
 660             IDR_MOBILE_YOUTUBE_PLUGIN_HTML));
 661     *plugin = (new plugins::MobileYouTubePlugin(render_frame, frame, params,
 662                                                 template_html))->plugin();
 663     return true;
 664   }
 665 #endif  // defined(OS_ANDROID)
 666
 667   PluginUMAReporter::GetInstance()->ReportPluginMissing(orig_mime_type, url);
 668   *plugin = NonLoadablePluginPlaceholder::CreateNotSupportedPlugin(
 669                 render_frame, frame, params)->plugin();
 670
 671 #endif  // defined(ENABLE_PLUGINS)
 672   return true;
 673 }
 674
 675 WebPlugin* ChromeContentRendererClient::CreatePluginReplacement(
 676     content::RenderFrame* render_frame,
 677     const base::FilePath& plugin_path) {
 678   return NonLoadablePluginPlaceholder::CreateErrorPlugin(render_frame,
 679                                                          plugin_path)->plugin();
 680 }
 681
 682 void ChromeContentRendererClient::DeferMediaLoad(
 683     content::RenderFrame* render_frame,
 684     const base::Closure& closure) {
 685 #if defined(OS_ANDROID)
 686   // Chromium for Android doesn't support prerender yet.
 687   closure.Run();
 688   return;
 689 #else
 690   if (!prerender::PrerenderHelper::IsPrerendering(render_frame)) {
 691     closure.Run();
 692     return;
 693   }
 694
 695   // Lifetime is tied to |render_frame| via content::RenderFrameObserver.
 696   new prerender::PrerenderMediaLoadDeferrer(render_frame, closure);
 697 #endif
 698 }
 699
 700 #if defined(ENABLE_PLUGINS)
 701 WebPlugin* ChromeContentRendererClient::CreatePlugin(
 702     content::RenderFrame* render_frame,
 703     blink::WebLocalFrame* frame,
 704     const WebPluginParams& original_params,
 705     const ChromeViewHostMsg_GetPluginInfo_Output& output) {
 706   const WebPluginInfo& info = output.plugin;
 707   const std::string& actual_mime_type = output.actual_mime_type;
 708   const base::string16& group_name = output.group_name;
 709   const std::string& identifier = output.group_identifier;
 710   ChromeViewHostMsg_GetPluginInfo_Status status = output.status;
 711   GURL url(original_params.url);
 712   std::string orig_mime_type = original_params.mimeType.utf8();
 713   ChromePluginPlaceholder* placeholder = NULL;
 714
 715   // If the browser plugin is to be enabled, this should be handled by the
 716   // renderer, so the code won't reach here due to the early exit in
 717   // OverrideCreatePlugin.
 718   if (status == ChromeViewHostMsg_GetPluginInfo_Status::kNotFound ||
 719       orig_mime_type == content::kBrowserPluginMimeType) {
 720     PluginUMAReporter::GetInstance()->ReportPluginMissing(orig_mime_type, url);
 721     placeholder = ChromePluginPlaceholder::CreateLoadableMissingPlugin(
 722         render_frame, frame, original_params);
 723   } else {
 724     // TODO(bauerb): This should be in content/.
 725     WebPluginParams params(original_params);
 726     for (size_t i = 0; i < info.mime_types.size(); ++i) {
 727       if (info.mime_types[i].mime_type == actual_mime_type) {
 728         AppendParams(info.mime_types[i].additional_param_names,
 729                      info.mime_types[i].additional_param_values,
 730                      &params.attributeNames, &params.attributeValues);
 731         break;
 732       }
 733     }
 734     if (params.mimeType.isNull() && (actual_mime_type.size() > 0)) {
 735       // Webkit might say that mime type is null while we already know the
 736       // actual mime type via ChromeViewHostMsg_GetPluginInfo. In that case
 737       // we should use what we know since WebpluginDelegateProxy does some
 738       // specific initializations based on this information.
 739       params.mimeType = WebString::fromUTF8(actual_mime_type.c_str());
 740     }
 741
 742     ContentSettingsObserver* observer =
 743         ContentSettingsObserver::Get(render_frame);
 744
 745     const ContentSettingsType content_type =
 746         ShouldUseJavaScriptSettingForPlugin(info)
 747             ? CONTENT_SETTINGS_TYPE_JAVASCRIPT
 748             : CONTENT_SETTINGS_TYPE_PLUGINS;
 749
 750     if ((status == ChromeViewHostMsg_GetPluginInfo_Status::kUnauthorized ||
 751          status == ChromeViewHostMsg_GetPluginInfo_Status::kBlocked) &&
 752         observer->IsPluginTemporarilyAllowed(identifier)) {
 753       status = ChromeViewHostMsg_GetPluginInfo_Status::kAllowed;
 754     }
 755
 756 #if defined(OS_WIN)
 757     // In Windows we need to check if we can load NPAPI plugins.
 758     // For example, if the render view is in the Ash desktop, we should not.
 759     // If user is on ALLOW or DETECT setting, loading needs to be blocked here.
 760     if ((status == ChromeViewHostMsg_GetPluginInfo_Status::kAllowed ||
 761          status ==
 762              ChromeViewHostMsg_GetPluginInfo_Status::kPlayImportantContent) &&
 763         info.type == content::WebPluginInfo::PLUGIN_TYPE_NPAPI) {
 764         if (observer->AreNPAPIPluginsBlocked())
 765           status = ChromeViewHostMsg_GetPluginInfo_Status::kNPAPINotSupported;
 766     }
 767 #endif
 768
 769     auto create_blocked_plugin =
 770         [&render_frame, &frame, &params, &info, &identifier, &group_name](
 771             int template_id, const base::string16& message) {
 772           return ChromePluginPlaceholder::CreateBlockedPlugin(
 773               render_frame, frame, params, info, identifier, group_name,
 774               template_id, message, PlaceholderPosterInfo());
 775         };
 776     switch (status) {
 777       case ChromeViewHostMsg_GetPluginInfo_Status::kNotFound: {
 778         NOTREACHED();
 779         break;
 780       }
 781       case ChromeViewHostMsg_GetPluginInfo_Status::kAllowed:
 782       case ChromeViewHostMsg_GetPluginInfo_Status::kPlayImportantContent: {
 783 #if !defined(DISABLE_NACL) && defined(ENABLE_EXTENSIONS)
 784         const bool is_nacl_plugin =
 785             info.name == ASCIIToUTF16(nacl::kNaClPluginName);
 786         const bool is_nacl_mime_type =
 787             actual_mime_type == nacl::kNaClPluginMimeType;
 788         const bool is_pnacl_mime_type =
 789             actual_mime_type == nacl::kPnaclPluginMimeType;
 790         if (is_nacl_plugin || is_nacl_mime_type || is_pnacl_mime_type) {
 791           bool is_nacl_unrestricted = false;
 792           if (is_nacl_mime_type) {
 793             is_nacl_unrestricted =
 794                 base::CommandLine::ForCurrentProcess()->HasSwitch(
 795                     switches::kEnableNaCl);
 796           } else if (is_pnacl_mime_type) {
 797             is_nacl_unrestricted = true;
 798           }
 799           GURL manifest_url;
 800           GURL app_url;
 801           if (is_nacl_mime_type || is_pnacl_mime_type) {
 802             // Normal NaCl/PNaCl embed. The app URL is the page URL.
 803             manifest_url = url;
 804             app_url = frame->top()->document().url();
 805           } else {
 806             // NaCl is being invoked as a content handler. Look up the NaCl
 807             // module using the MIME type. The app URL is the manifest URL.
 808             manifest_url = GetNaClContentHandlerURL(actual_mime_type, info);
 809             app_url = manifest_url;
 810           }
 811           const Extension* extension =
 812               g_current_client->extension_dispatcher_->extensions()->
 813                   GetExtensionOrAppByURL(manifest_url);
 814           if (!IsNaClAllowed(manifest_url,
 815                              app_url,
 816                              is_nacl_unrestricted,
 817                              extension,
 818                              &params)) {
 819             WebString error_message;
 820             if (is_nacl_mime_type) {
 821               error_message =
 822                   "Only unpacked extensions and apps installed from the Chrome "
 823                   "Web Store can load NaCl modules without enabling Native "
 824                   "Client in about:flags.";
 825             } else if (is_pnacl_mime_type) {
 826               error_message =
 827                   "Portable Native Client must not be disabled in about:flags.";
 828             }
 829             frame->addMessageToConsole(
 830                 WebConsoleMessage(WebConsoleMessage::LevelError,
 831                                   error_message));
 832             placeholder = create_blocked_plugin(
 833                 IDR_BLOCKED_PLUGIN_HTML,
 834 #if defined(OS_CHROMEOS)
 835                 l10n_util::GetStringUTF16(IDS_NACL_PLUGIN_BLOCKED));
 836 #else
 837                 l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED, group_name));
 838 #endif
 839             break;
 840           }
 841         }
 842 #endif  // !defined(DISABLE_NACL) && defined(ENABLE_EXTENSIONS)
 843
 844         // Delay loading plugins if prerendering.
 845         // TODO(mmenke):  In the case of prerendering, feed into
 846         //                ChromeContentRendererClient::CreatePlugin instead, to
 847         //                reduce the chance of future regressions.
 848         bool is_prerendering =
 849             prerender::PrerenderHelper::IsPrerendering(render_frame);
 850         bool power_saver_enabled =
 851             status ==
 852                 ChromeViewHostMsg_GetPluginInfo_Status::kPlayImportantContent;
 853         bool blocked_for_background_tab =
 854             render_frame->IsHidden() && power_saver_enabled;
 855
 856         if (info.name == ASCIIToUTF16(content::kFlashPluginName))
 857           TrackPosterParamPresence(params, power_saver_enabled);
 858
 859         PlaceholderPosterInfo poster_info;
 860         if (power_saver_enabled) {
 861           poster_info.poster_attribute =
 862               GetPluginInstancePosterAttribute(params);
 863           poster_info.base_url = frame->document().url();
 864         }
 865
 866         if (blocked_for_background_tab || is_prerendering ||
 867             !poster_info.poster_attribute.empty()) {
 868           placeholder = ChromePluginPlaceholder::CreateBlockedPlugin(
 869               render_frame, frame, params, info, identifier, group_name,
 870               poster_info.poster_attribute.empty() ? IDR_BLOCKED_PLUGIN_HTML
 871                                                    : IDR_PLUGIN_POSTER_HTML,
 872               l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED, group_name),
 873               poster_info);
 874           placeholder->set_blocked_for_background_tab(
 875               blocked_for_background_tab);
 876           placeholder->set_blocked_for_prerendering(is_prerendering);
 877           placeholder->set_power_saver_enabled(power_saver_enabled);
 878           break;
 879         }
 880
 881         scoped_ptr<content::PluginInstanceThrottler> throttler;
 882         if (power_saver_enabled) {
 883           throttler = PluginInstanceThrottler::Create();
 884           // PluginPreroller manages its own lifetime.
 885           new PluginPreroller(
 886               render_frame, frame, params, info, identifier, group_name,
 887               l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED, group_name),
 888               throttler.get());
 889         }
 890
 891         return render_frame->CreatePlugin(frame, info, params,
 892                                           throttler.Pass());
 893       }
 894       case ChromeViewHostMsg_GetPluginInfo_Status::kNPAPINotSupported: {
 895         RenderThread::Get()->RecordAction(
 896             UserMetricsAction("Plugin_NPAPINotSupported"));
 897         placeholder = create_blocked_plugin(
 898             IDR_BLOCKED_PLUGIN_HTML,
 899             l10n_util::GetStringUTF16(IDS_PLUGIN_NOT_SUPPORTED_METRO));
 900         render_frame->Send(new ChromeViewHostMsg_NPAPINotSupported(
 901             render_frame->GetRoutingID(), identifier));
 902         break;
 903       }
 904       case ChromeViewHostMsg_GetPluginInfo_Status::kDisabled: {
 905         PluginUMAReporter::GetInstance()->ReportPluginDisabled(orig_mime_type,
 906                                                                url);
 907         placeholder = create_blocked_plugin(
 908             IDR_DISABLED_PLUGIN_HTML,
 909             l10n_util::GetStringFUTF16(IDS_PLUGIN_DISABLED, group_name));
 910         break;
 911       }
 912       case ChromeViewHostMsg_GetPluginInfo_Status::kOutdatedBlocked: {
 913 #if defined(ENABLE_PLUGIN_INSTALLATION)
 914         placeholder = create_blocked_plugin(
 915             IDR_BLOCKED_PLUGIN_HTML,
 916             l10n_util::GetStringFUTF16(IDS_PLUGIN_OUTDATED, group_name));
 917         render_frame->Send(new ChromeViewHostMsg_BlockedOutdatedPlugin(
 918             render_frame->GetRoutingID(), placeholder->CreateRoutingId(),
 919             identifier));
 920 #else
 921         NOTREACHED();
 922 #endif
 923         break;
 924       }
 925       case ChromeViewHostMsg_GetPluginInfo_Status::kOutdatedDisallowed: {
 926         placeholder = create_blocked_plugin(
 927             IDR_BLOCKED_PLUGIN_HTML,
 928             l10n_util::GetStringFUTF16(IDS_PLUGIN_OUTDATED, group_name));
 929         break;
 930       }
 931       case ChromeViewHostMsg_GetPluginInfo_Status::kUnauthorized: {
 932         placeholder = create_blocked_plugin(
 933             IDR_BLOCKED_PLUGIN_HTML,
 934             l10n_util::GetStringFUTF16(IDS_PLUGIN_NOT_AUTHORIZED, group_name));
 935         if (info.type != content::WebPluginInfo::PLUGIN_TYPE_NPAPI) {
 936           render_frame->Send(new ChromeViewHostMsg_BlockedUnauthorizedPlugin(
 937               render_frame->GetRoutingID(),
 938               group_name,
 939               identifier));
 940         }
 941         observer->DidBlockContentType(content_type, group_name);
 942         break;
 943       }
 944       case ChromeViewHostMsg_GetPluginInfo_Status::kBlocked: {
 945         placeholder = create_blocked_plugin(
 946             IDR_BLOCKED_PLUGIN_HTML,
 947             l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED, group_name));
 948         RenderThread::Get()->RecordAction(UserMetricsAction("Plugin_Blocked"));
 949         observer->DidBlockContentType(content_type, group_name);
 950         break;
 951       }
 952       case ChromeViewHostMsg_GetPluginInfo_Status::kBlockedByPolicy: {
 953         placeholder = create_blocked_plugin(
 954             IDR_BLOCKED_PLUGIN_HTML,
 955             l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED_BY_POLICY,
 956                                        group_name));
 957         placeholder->DisallowLoading();
 958         RenderThread::Get()->RecordAction(
 959             UserMetricsAction("Plugin_BlockedByPolicy"));
 960         observer->DidBlockContentType(content_type, group_name);
 961         break;
 962       }
 963     }
 964   }
 965   placeholder->SetStatus(status);
 966   return placeholder->plugin();
 967 }
 968 #endif  // defined(ENABLE_PLUGINS)
 969
 970 // For NaCl content handling plugins, the NaCl manifest is stored in an
 971 // additonal 'nacl' param associated with the MIME type.
 972 //  static
 973 GURL ChromeContentRendererClient::GetNaClContentHandlerURL(
 974     const std::string& actual_mime_type,
 975     const content::WebPluginInfo& plugin) {
 976   // Look for the manifest URL among the MIME type's additonal parameters.
 977   const char kNaClPluginManifestAttribute[] = "nacl";
 978   base::string16 nacl_attr = ASCIIToUTF16(kNaClPluginManifestAttribute);
 979   for (size_t i = 0; i < plugin.mime_types.size(); ++i) {
 980     if (plugin.mime_types[i].mime_type == actual_mime_type) {
 981       const content::WebPluginMimeType& content_type = plugin.mime_types[i];
 982       for (size_t i = 0; i < content_type.additional_param_names.size(); ++i) {
 983         if (content_type.additional_param_names[i] == nacl_attr)
 984           return GURL(content_type.additional_param_values[i]);
 985       }
 986       break;
 987     }
 988   }
 989   return GURL();
 990 }
 991
 992 #if !defined(DISABLE_NACL)
 993 //  static
 994 bool ChromeContentRendererClient::IsNaClAllowed(
 995     const GURL& manifest_url,
 996     const GURL& app_url,
 997     bool is_nacl_unrestricted,
 998     const Extension* extension,
 999     WebPluginParams* params) {
1000   // Temporarily allow these whitelisted apps and WebUIs to use NaCl.
1001   std::string app_url_host = app_url.host();
1002   std::string manifest_url_path = manifest_url.path();
1003
1004   bool is_whitelisted_web_ui =
1005       app_url.spec() == chrome::kChromeUIAppListStartPageURL;
1006
1007   bool is_photo_app =
1008       // Whitelisted apps must be served over https.
1009       app_url.SchemeIsCryptographic() && manifest_url.SchemeIsCryptographic() &&
1010       (base::EndsWith(app_url_host, "plus.google.com", false) ||
1011        base::EndsWith(app_url_host, "plus.sandbox.google.com", false)) &&
1012       manifest_url.DomainIs("ssl.gstatic.com") &&
1013       (manifest_url_path.find("s2/oz/nacl/") == 1 ||
1014        manifest_url_path.find("photos/nacl/") == 1);
1015
1016   std::string manifest_fs_host;
1017   if (manifest_url.SchemeIsFileSystem() && manifest_url.inner_url()) {
1018     manifest_fs_host = manifest_url.inner_url()->host();
1019   }
1020   bool is_hangouts_app =
1021       // Whitelisted apps must be served over secure scheme.
1022       app_url.SchemeIsCryptographic() && manifest_url.SchemeIsFileSystem() &&
1023       manifest_url.inner_url()->SchemeIsCryptographic() &&
1024       (base::EndsWith(app_url_host, "talkgadget.google.com", false) ||
1025        base::EndsWith(app_url_host, "plus.google.com", false) ||
1026        base::EndsWith(app_url_host, "plus.sandbox.google.com", false)) &&
1027       // The manifest must be loaded from the host's FileSystem.
1028       (manifest_fs_host == app_url_host);
1029
1030   bool is_whitelisted_app = is_photo_app || is_hangouts_app;
1031
1032   bool is_invoked_by_webstore_installed_extension = false;
1033   bool is_extension_unrestricted = false;
1034   bool is_extension_force_installed = false;
1035 #if defined(ENABLE_EXTENSIONS)
1036   bool is_extension_from_webstore = extension && extension->from_webstore();
1037
1038   bool is_invoked_by_extension = app_url.SchemeIs("chrome-extension");
1039   bool is_invoked_by_hosted_app = extension &&
1040       extension->is_hosted_app() &&
1041       extension->web_extent().MatchesURL(app_url);
1042
1043   is_invoked_by_webstore_installed_extension = is_extension_from_webstore &&
1044       (is_invoked_by_extension || is_invoked_by_hosted_app);
1045
1046   // Allow built-in extensions and developer mode extensions.
1047   is_extension_unrestricted = extension &&
1048        (extensions::Manifest::IsUnpackedLocation(extension->location()) ||
1049         extensions::Manifest::IsComponentLocation(extension->location()));
1050   // Allow extensions force installed by admin policy.
1051   is_extension_force_installed = extension &&
1052        extensions::Manifest::IsPolicyLocation(extension->location());
1053 #endif  // defined(ENABLE_EXTENSIONS)
1054
1055   // Allow NaCl under any of the following circumstances:
1056   //  1) An app or URL is explictly whitelisted above.
1057   //  2) An extension is loaded unpacked or built-in (component) to Chrome.
1058   //  3) An extension is force installed by policy.
1059   //  4) An extension is installed from the webstore, and invoked in that
1060   //     context (hosted app URL or chrome-extension:// scheme).
1061   //  5) --enable-nacl is set.
1062   bool is_nacl_allowed_by_location =
1063       is_whitelisted_web_ui ||
1064       is_whitelisted_app ||
1065       is_extension_unrestricted ||
1066       is_extension_force_installed ||
1067       is_invoked_by_webstore_installed_extension;
1068   bool is_nacl_allowed = is_nacl_allowed_by_location || is_nacl_unrestricted;
1069   if (is_nacl_allowed) {
1070     // Make sure that PPAPI 'dev' interfaces are only available for unpacked
1071     // and component extensions.  Also allow dev interfaces when --enable-nacl
1072     // is set, but do not allow --enable-nacl to provide dev interfaces to
1073     // webstore installed and other normally allowed URLs.
1074     WebString dev_attribute = WebString::fromUTF8("@dev");
1075     if (is_extension_unrestricted ||
1076         (is_nacl_unrestricted && !is_nacl_allowed_by_location)) {
1077       // Add the special '@dev' attribute.
1078       std::vector<base::string16> param_names;
1079       std::vector<base::string16> param_values;
1080       param_names.push_back(dev_attribute);
1081       param_values.push_back(WebString());
1082       AppendParams(
1083           param_names,
1084           param_values,
1085           &params->attributeNames,
1086           &params->attributeValues);
1087     } else {
1088       // If the params somehow contain '@dev', remove it.
1089       size_t attribute_count = params->attributeNames.size();
1090       for (size_t i = 0; i < attribute_count; ++i) {
1091         if (params->attributeNames[i].equals(dev_attribute))
1092           params->attributeNames[i] = WebString();
1093       }
1094     }
1095   }
1096   return is_nacl_allowed;
1097 }
1098 #endif  // defined(DISABLE_NACL)
1099
1100 bool ChromeContentRendererClient::HasErrorPage(int http_status_code,
1101                                                std::string* error_domain) {
1102   // Use an internal error page, if we have one for the status code.
1103   if (!LocalizedError::HasStrings(LocalizedError::kHttpErrorDomain,
1104                                   http_status_code)) {
1105     return false;
1106   }
1107
1108   *error_domain = LocalizedError::kHttpErrorDomain;
1109   return true;
1110 }
1111
1112 bool ChromeContentRendererClient::ShouldSuppressErrorPage(
1113     content::RenderFrame* render_frame,
1114     const GURL& url) {
1115   // Unit tests for ChromeContentRendererClient pass a NULL RenderFrame here.
1116   // Unfortunately it's very difficult to construct a mock RenderView, so skip
1117   // this functionality in this case.
1118   if (render_frame) {
1119     content::RenderView* render_view = render_frame->GetRenderView();
1120     content::RenderFrame* main_render_frame = render_view->GetMainRenderFrame();
1121     blink::WebFrame* web_frame = render_frame->GetWebFrame();
1122     NetErrorHelper* net_error_helper = NetErrorHelper::Get(main_render_frame);
1123     if (net_error_helper->ShouldSuppressErrorPage(web_frame, url))
1124       return true;
1125   }
1126   // Do not flash an error page if the Instant new tab page fails to load.
1127   return SearchBouncer::GetInstance()->IsNewTabPage(url);
1128 }
1129
1130 void ChromeContentRendererClient::GetNavigationErrorStrings(
1131     content::RenderView* render_view,
1132     blink::WebFrame* frame,
1133     const blink::WebURLRequest& failed_request,
1134     const blink::WebURLError& error,
1135     std::string* error_html,
1136     base::string16* error_description) {
1137   const GURL failed_url = error.unreachableURL;
1138
1139   bool is_post = base::EqualsASCII(failed_request.httpMethod(), "POST");
1140
1141   if (error_html) {
1142     // TODO(ellyjones): change GetNavigationErrorStrings to take a RenderFrame
1143     // instead of a RenderView, then pass that in.
1144     // This is safe for now because we only install the NetErrorHelper on the
1145     // main render frame anyway; see the TODO(ellyjones) in
1146     // RenderFrameCreated.
1147     content::RenderFrame* main_render_frame = render_view->GetMainRenderFrame();
1148     NetErrorHelper* helper = NetErrorHelper::Get(main_render_frame);
1149     helper->GetErrorHTML(frame, error, is_post, error_html);
1150   }
1151
1152   if (error_description)
1153     *error_description = LocalizedError::GetErrorDetails(error, is_post);
1154 }
1155
1156 bool ChromeContentRendererClient::RunIdleHandlerWhenWidgetsHidden() {
1157 #if defined(ENABLE_EXTENSIONS)
1158   return !IsStandaloneExtensionProcess();
1159 #else
1160   return true;
1161 #endif
1162 }
1163
1164 bool ChromeContentRendererClient::AllowPopup() {
1165 #if defined(ENABLE_EXTENSIONS)
1166   extensions::ScriptContext* current_context =
1167       extension_dispatcher_->script_context_set().GetCurrent();
1168   if (!current_context || !current_context->extension())
1169     return false;
1170   // See http://crbug.com/117446 for the subtlety of this check.
1171   switch (current_context->context_type()) {
1172     case extensions::Feature::UNSPECIFIED_CONTEXT:
1173     case extensions::Feature::WEB_PAGE_CONTEXT:
1174     case extensions::Feature::UNBLESSED_EXTENSION_CONTEXT:
1175     case extensions::Feature::WEBUI_CONTEXT:
1176       return false;
1177     case extensions::Feature::BLESSED_EXTENSION_CONTEXT:
1178     case extensions::Feature::CONTENT_SCRIPT_CONTEXT:
1179       return true;
1180     case extensions::Feature::BLESSED_WEB_PAGE_CONTEXT:
1181       return !current_context->web_frame()->parent();
1182   }
1183   NOTREACHED();
1184 #endif
1185   return false;
1186 }
1187
1188 bool ChromeContentRendererClient::ShouldFork(blink::WebLocalFrame* frame,
1189                                              const GURL& url,
1190                                              const std::string& http_method,
1191                                              bool is_initial_navigation,
1192                                              bool is_server_redirect,
1193                                              bool* send_referrer) {
1194   DCHECK(!frame->parent());
1195
1196   // If this is the Instant process, fork all navigations originating from the
1197   // renderer.  The destination page will then be bucketed back to this Instant
1198   // process if it is an Instant url, or to another process if not.  Conversely,
1199   // fork if this is a non-Instant process navigating to an Instant url, so that
1200   // such navigations can also be bucketed into an Instant renderer.
1201   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
1202           switches::kInstantProcess) ||
1203       SearchBouncer::GetInstance()->ShouldFork(url)) {
1204     *send_referrer = true;
1205     return true;
1206   }
1207
1208   // For now, we skip the rest for POST submissions.  This is because
1209   // http://crbug.com/101395 is more likely to cause compatibility issues
1210   // with hosted apps and extensions than WebUI pages.  We will remove this
1211   // check when cross-process POST submissions are supported.
1212   if (http_method != "GET")
1213     return false;
1214
1215   // If |url| matches one of the prerendered URLs, stop this navigation and try
1216   // to swap in the prerendered page on the browser process. If the prerendered
1217   // page no longer exists by the time the OpenURL IPC is handled, a normal
1218   // navigation is attempted.
1219   if (prerender_dispatcher_.get() &&
1220       prerender_dispatcher_->IsPrerenderURL(url)) {
1221     *send_referrer = true;
1222     return true;
1223   }
1224
1225 #if defined(ENABLE_EXTENSIONS)
1226   const extensions::ExtensionSet* extensions =
1227       extension_dispatcher_->extensions();
1228
1229   // Determine if the new URL is an extension (excluding bookmark apps).
1230   const Extension* new_url_extension = extensions::GetNonBookmarkAppExtension(
1231       *extensions, url);
1232   bool is_extension_url = !!new_url_extension;
1233
1234   // If the navigation would cross an app extent boundary, we also need
1235   // to defer to the browser to ensure process isolation.  This is not necessary
1236   // for server redirects, which will be transferred to a new process by the
1237   // browser process when they are ready to commit.  It is necessary for client
1238   // redirects, which won't be transferred in the same way.
1239   if (!is_server_redirect &&
1240       CrossesExtensionExtents(frame, url, *extensions, is_extension_url,
1241           is_initial_navigation)) {
1242     // Include the referrer in this case since we're going from a hosted web
1243     // page. (the packaged case is handled previously by the extension
1244     // navigation test)
1245     *send_referrer = true;
1246
1247     const Extension* extension =
1248         extension_dispatcher_->extensions()->GetExtensionOrAppByURL(url);
1249     if (extension && extension->is_app()) {
1250       extensions::RecordAppLaunchType(
1251           extension_misc::APP_LAUNCH_CONTENT_NAVIGATION, extension->GetType());
1252     }
1253     return true;
1254   }
1255
1256   // If this is a reload, check whether it has the wrong process type.  We
1257   // should send it to the browser if it's an extension URL (e.g., hosted app)
1258   // in a normal process, or if it's a process for an extension that has been
1259   // uninstalled.  Without --site-per-process mode, we never fork processes for
1260   // subframes, so this check only makes sense for top-level frames.
1261   // TODO(alexmos,nasko): Figure out how this check should work when reloading
1262   // subframes in --site-per-process mode.
1263   if (!frame->parent() && frame->document().url() == url) {
1264     if (is_extension_url != IsStandaloneExtensionProcess())
1265       return true;
1266   }
1267 #endif  // defined(ENABLE_EXTENSIONS)
1268
1269   return false;
1270 }
1271
1272 bool ChromeContentRendererClient::WillSendRequest(
1273     blink::WebFrame* frame,
1274     ui::PageTransition transition_type,
1275     const GURL& url,
1276     const GURL& first_party_for_cookies,
1277     GURL* new_url) {
1278   // Check whether the request should be allowed. If not allowed, we reset the
1279   // URL to something invalid to prevent the request and cause an error.
1280 #if defined(ENABLE_EXTENSIONS)
1281   if (url.SchemeIs(extensions::kExtensionScheme) &&
1282       !extensions::ResourceRequestPolicy::CanRequestResource(
1283           url,
1284           frame,
1285           transition_type,
1286           extension_dispatcher_->extensions())) {
1287     *new_url = GURL(chrome::kExtensionInvalidRequestURL);
1288     return true;
1289   }
1290
1291   if (url.SchemeIs(extensions::kExtensionResourceScheme) &&
1292       !extensions::ResourceRequestPolicy::CanRequestExtensionResourceScheme(
1293           url,
1294           frame)) {
1295     *new_url = GURL(chrome::kExtensionResourceInvalidRequestURL);
1296     return true;
1297   }
1298 #endif
1299
1300   const content::RenderView* render_view =
1301       content::RenderView::FromWebView(frame->view());
1302   SearchBox* search_box = SearchBox::Get(render_view);
1303   if (search_box && url.SchemeIs(chrome::kChromeSearchScheme)) {
1304     SearchBox::ImageSourceType type = SearchBox::NONE;
1305     if (url.host() == chrome::kChromeUIFaviconHost)
1306       type = SearchBox::FAVICON;
1307     else if (url.host() == chrome::kChromeUILargeIconHost)
1308       type = SearchBox::LARGE_ICON;
1309     else if (url.host() == chrome::kChromeUIFallbackIconHost)
1310       type = SearchBox::FALLBACK_ICON;
1311     else if (url.host() == chrome::kChromeUIThumbnailHost)
1312       type = SearchBox::THUMB;
1313     if (type != SearchBox::NONE)
1314       return search_box->GenerateImageURLFromTransientURL(url, type, new_url);
1315   }
1316
1317   return false;
1318 }
1319
1320 unsigned long long ChromeContentRendererClient::VisitedLinkHash(
1321     const char* canonical_url, size_t length) {
1322   return visited_link_slave_->ComputeURLFingerprint(canonical_url, length);
1323 }
1324
1325 bool ChromeContentRendererClient::IsLinkVisited(unsigned long long link_hash) {
1326   return visited_link_slave_->IsVisited(link_hash);
1327 }
1328
1329 blink::WebPrescientNetworking*
1330 ChromeContentRendererClient::GetPrescientNetworking() {
1331   return prescient_networking_dispatcher_.get();
1332 }
1333
1334 bool ChromeContentRendererClient::ShouldOverridePageVisibilityState(
1335     const content::RenderFrame* render_frame,
1336     blink::WebPageVisibilityState* override_state) {
1337   if (!prerender::PrerenderHelper::IsPrerendering(render_frame))
1338     return false;
1339
1340   *override_state = blink::WebPageVisibilityStatePrerender;
1341   return true;
1342 }
1343
1344 #if defined(ENABLE_EXTENSIONS)
1345 void ChromeContentRendererClient::SetExtensionDispatcherForTest(
1346     extensions::Dispatcher* extension_dispatcher) {
1347   extension_dispatcher_.reset(extension_dispatcher);
1348   permissions_policy_delegate_.reset(
1349       new extensions::RendererPermissionsPolicyDelegate(
1350           extension_dispatcher_.get()));
1351 }
1352
1353 extensions::Dispatcher*
1354 ChromeContentRendererClient::GetExtensionDispatcherForTest() {
1355   return extension_dispatcher_.get();
1356 }
1357
1358 bool ChromeContentRendererClient::CrossesExtensionExtents(
1359     blink::WebLocalFrame* frame,
1360     const GURL& new_url,
1361     const extensions::ExtensionSet& extensions,
1362     bool is_extension_url,
1363     bool is_initial_navigation) {
1364   DCHECK(!frame->parent());
1365   GURL old_url(frame->document().url());
1366
1367   // If old_url is still empty and this is an initial navigation, then this is
1368   // a window.open operation.  We should look at the opener URL.  Note that the
1369   // opener is a local frame in this case.
1370   if (is_initial_navigation && old_url.is_empty() && frame->opener()) {
1371     WebLocalFrame* opener_frame = frame->opener()->toWebLocalFrame();
1372
1373     // If we're about to open a normal web page from a same-origin opener stuck
1374     // in an extension process, we want to keep it in process to allow the
1375     // opener to script it.
1376     WebDocument opener_document = opener_frame->document();
1377     WebSecurityOrigin opener_origin = opener_document.securityOrigin();
1378     bool opener_is_extension_url =
1379         !opener_origin.isUnique() && extensions.GetExtensionOrAppByURL(
1380             opener_document.url()) != NULL;
1381     if (!is_extension_url &&
1382         !opener_is_extension_url &&
1383         IsStandaloneExtensionProcess() &&
1384         opener_origin.canRequest(WebURL(new_url)))
1385       return false;
1386
1387     // In all other cases, we want to compare against the URL that determines
1388     // the type of process.  In default Chrome, that's the URL of the opener's
1389     // top frame and not the opener frame itself.  In --site-per-process, we
1390     // can use the opener frame itself.
1391     if (base::CommandLine::ForCurrentProcess()->HasSwitch(
1392             switches::kSitePerProcess))
1393       old_url = opener_frame->document().url();
1394     else
1395       old_url = opener_frame->top()->document().url();
1396   }
1397
1398   // Only consider keeping non-app URLs in an app process if this window
1399   // has an opener (in which case it might be an OAuth popup that tries to
1400   // script an iframe within the app).
1401   bool should_consider_workaround = !!frame->opener();
1402
1403   return extensions::CrossesExtensionProcessBoundary(
1404       extensions, old_url, new_url, should_consider_workaround);
1405 }
1406 #endif  // defined(ENABLE_EXTENSIONS)
1407
1408 #if defined(ENABLE_SPELLCHECK)
1409 void ChromeContentRendererClient::SetSpellcheck(SpellCheck* spellcheck) {
1410   RenderThread* thread = RenderThread::Get();
1411   if (spellcheck_.get() && thread)
1412     thread->RemoveObserver(spellcheck_.get());
1413   spellcheck_.reset(spellcheck);
1414   SpellCheckReplacer replacer(spellcheck_.get());
1415   content::RenderView::ForEach(&replacer);
1416   if (thread)
1417     thread->AddObserver(spellcheck_.get());
1418 }
1419 #endif
1420
1421 // static
1422 bool ChromeContentRendererClient::WasWebRequestUsedBySomeExtensions() {
1423 #if defined(ENABLE_EXTENSIONS)
1424   return g_current_client->extension_dispatcher_
1425       ->WasWebRequestUsedBySomeExtensions();
1426 #else
1427   return false;
1428 #endif
1429 }
1430
1431 const void* ChromeContentRendererClient::CreatePPAPIInterface(
1432     const std::string& interface_name) {
1433 #if defined(ENABLE_PLUGINS) && !defined(DISABLE_NACL)
1434   if (interface_name == PPB_NACL_PRIVATE_INTERFACE)
1435     return nacl::GetNaClPrivateInterface();
1436 #endif
1437   return NULL;
1438 }
1439
1440 bool ChromeContentRendererClient::IsExternalPepperPlugin(
1441     const std::string& module_name) {
1442   // TODO(bbudge) remove this when the trusted NaCl plugin has been removed.
1443   // We must defer certain plugin events for NaCl instances since we switch
1444   // from the in-process to the out-of-process proxy after instantiating them.
1445   return module_name == "Native Client";
1446 }
1447
1448 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
1449 bool ChromeContentRendererClient::IsExtensionOrSharedModuleWhitelisted(
1450     const GURL& url, const std::set<std::string>& whitelist) {
1451   const extensions::ExtensionSet* extension_set =
1452       g_current_client->extension_dispatcher_->extensions();
1453   return chrome::IsExtensionOrSharedModuleWhitelisted(url, extension_set,
1454       whitelist);
1455 }
1456 #endif
1457
1458 blink::WebSpeechSynthesizer*
1459 ChromeContentRendererClient::OverrideSpeechSynthesizer(
1460     blink::WebSpeechSynthesizerClient* client) {
1461   return new TtsDispatcher(client);
1462 }
1463
1464 bool ChromeContentRendererClient::AllowPepperMediaStreamAPI(
1465     const GURL& url) {
1466 #if !defined(OS_ANDROID)
1467   // Allow only the Hangouts app to use the MediaStream APIs. It's OK to check
1468   // the whitelist in the renderer, since we're only preventing access until
1469   // these APIs are public and stable.
1470   std::string url_host = url.host();
1471   if (url.SchemeIs("https") &&
1472       (base::EndsWith(url_host, "talkgadget.google.com",
1473                       base::CompareCase::INSENSITIVE_ASCII) ||
1474        base::EndsWith(url_host, "plus.google.com",
1475                       base::CompareCase::INSENSITIVE_ASCII) ||
1476        base::EndsWith(url_host, "plus.sandbox.google.com",
1477                       base::CompareCase::INSENSITIVE_ASCII)) &&
1478       base::StartsWith(url.path(), "/hangouts/",
1479                        base::CompareCase::INSENSITIVE_ASCII)) {
1480     return true;
1481   }
1482   // Allow access for tests.
1483   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
1484           switches::kEnablePepperTesting)) {
1485     return true;
1486   }
1487 #endif  // !defined(OS_ANDROID)
1488   return false;
1489 }
1490
1491 void ChromeContentRendererClient::AddKeySystems(
1492     std::vector<media::KeySystemInfo>* key_systems) {
1493   AddChromeKeySystems(key_systems);
1494 }
1495
1496 bool ChromeContentRendererClient::ShouldReportDetailedMessageForSource(
1497     const base::string16& source) const {
1498 #if defined(ENABLE_EXTENSIONS)
1499   return extensions::IsSourceFromAnExtension(source);
1500 #else
1501   return false;
1502 #endif
1503 }
1504
1505 bool ChromeContentRendererClient::ShouldGatherSiteIsolationStats() const {
1506   // Site isolation stats are gathered currently for non-extension renderer
1507   // processes running a normal web page from the Internet.
1508   // TODO(nick): https://crbug.com/268640 Gather stats for extension processes
1509   // too; we would need to check the extension's manifest to know which sites
1510   // it's allowed to access.
1511 #if defined(ENABLE_EXTENSIONS)
1512   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
1513   return !command_line->HasSwitch(extensions::switches::kExtensionProcess);
1514 #else
1515   return true;
1516 #endif
1517 }
1518
1519 blink::WebWorkerContentSettingsClientProxy*
1520 ChromeContentRendererClient::CreateWorkerContentSettingsClientProxy(
1521     content::RenderFrame* render_frame,
1522     blink::WebFrame* frame) {
1523   return new WorkerContentSettingsClientProxy(render_frame, frame);
1524 }
1525
1526 bool ChromeContentRendererClient::IsPluginAllowedToUseDevChannelAPIs() {
1527 #if defined(ENABLE_PLUGINS)
1528   // Allow access for tests.
1529   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
1530           switches::kEnablePepperTesting)) {
1531     return true;
1532   }
1533
1534   chrome::VersionInfo::Channel channel = chrome::VersionInfo::GetChannel();
1535   // Allow dev channel APIs to be used on "Canary", "Dev", and "Unknown"
1536   // releases of Chrome. Permitting "Unknown" allows these APIs to be used on
1537   // Chromium builds as well.
1538   return channel <= chrome::VersionInfo::CHANNEL_DEV;
1539 #else
1540   return false;
1541 #endif
1542 }
1543
1544 bool ChromeContentRendererClient::IsPluginAllowedToUseCameraDeviceAPI(
1545     const GURL& url) {
1546 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
1547   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
1548           switches::kEnablePepperTesting))
1549     return true;
1550
1551   if (IsExtensionOrSharedModuleWhitelisted(url, allowed_camera_device_origins_))
1552     return true;
1553 #endif
1554
1555   return false;
1556 }
1557
1558 bool ChromeContentRendererClient::IsPluginAllowedToUseCompositorAPI(
1559     const GURL& url) {
1560 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
1561   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
1562           switches::kEnablePepperTesting))
1563     return true;
1564   if (IsExtensionOrSharedModuleWhitelisted(url, allowed_compositor_origins_))
1565     return true;
1566
1567   chrome::VersionInfo::Channel channel = chrome::VersionInfo::GetChannel();
1568   return channel <= chrome::VersionInfo::CHANNEL_DEV;
1569 #else
1570   return false;
1571 #endif
1572 }
1573
1574 content::BrowserPluginDelegate*
1575 ChromeContentRendererClient::CreateBrowserPluginDelegate(
1576     content::RenderFrame* render_frame,
1577     const std::string& mime_type,
1578     const GURL& original_url) {
1579 #if defined(ENABLE_EXTENSIONS)
1580   if (mime_type == content::kBrowserPluginMimeType) {
1581     return new extensions::ExtensionsGuestViewContainer(render_frame);
1582   } else {
1583     return new extensions::MimeHandlerViewContainer(
1584         render_frame, mime_type, original_url);
1585   }
1586 #else
1587   return NULL;
1588 #endif
1589 }
1590
1591 void ChromeContentRendererClient::RecordRappor(const std::string& metric,
1592                                                const std::string& sample) {
1593   RenderThread::Get()->Send(new ChromeViewHostMsg_RecordRappor(metric, sample));
1594 }
1595
1596 void ChromeContentRendererClient::RecordRapporURL(const std::string& metric,
1597                                                   const GURL& url) {
1598   RenderThread::Get()->Send(new ChromeViewHostMsg_RecordRapporURL(metric, url));
1599 }
1600
1601 scoped_ptr<blink::WebAppBannerClient>
1602 ChromeContentRendererClient::CreateAppBannerClient(
1603     content::RenderFrame* render_frame) {
1604   return scoped_ptr<blink::WebAppBannerClient>(
1605       new AppBannerClient(render_frame));
1606 }
1607
1608 void ChromeContentRendererClient::AddImageContextMenuProperties(
1609     const blink::WebURLResponse& response,
1610     std::map<std::string, std::string>* properties) {
1611   DCHECK(properties);
1612   WebString header_key(ASCIIToUTF16(
1613       data_reduction_proxy::chrome_proxy_header()));
1614   if (!response.httpHeaderField(header_key).isNull() &&
1615       response.httpHeaderField(header_key).utf8().find(
1616           data_reduction_proxy::chrome_proxy_lo_fi_directive()) !=
1617               std::string::npos) {
1618     (*properties)[data_reduction_proxy::chrome_proxy_header()] =
1619         data_reduction_proxy::chrome_proxy_lo_fi_directive();
1620   }
1621 }