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(base::StringPiece16(origin.protocol()),
 614                          extensions::kExtensionScheme))
 615     return NULL;
 616
 617   const std::string extension_id = origin.host().utf8().data();
 618   return extension_dispatcher_->extensions()->GetByID(extension_id);
 619 }
 620 #endif
 621
 622 scoped_ptr<blink::WebPluginPlaceholder>
 623 ChromeContentRendererClient::CreatePluginPlaceholder(
 624     content::RenderFrame* render_frame,
 625     blink::WebLocalFrame* frame,
 626     const blink::WebPluginParams& orig_params) {
 627   return CreateShadowDOMPlaceholderForPluginInfo(
 628       render_frame, frame, orig_params);
 629 }
 630
 631 bool ChromeContentRendererClient::OverrideCreatePlugin(
 632     content::RenderFrame* render_frame,
 633     blink::WebLocalFrame* frame,
 634     const WebPluginParams& params,
 635     WebPlugin** plugin) {
 636   std::string orig_mime_type = params.mimeType.utf8();
 637 #if defined(ENABLE_EXTENSIONS)
 638   if (orig_mime_type == content::kBrowserPluginMimeType) {
 639     bool guest_view_api_available = false;
 640     extension_dispatcher_->script_context_set().ForEach(
 641         render_frame, base::Bind(&IsGuestViewApiAvailableToScriptContext,
 642                                  &guest_view_api_available));
 643     if (guest_view_api_available)
 644       return false;
 645   }
 646 #endif
 647
 648   GURL url(params.url);
 649 #if defined(ENABLE_PLUGINS)
 650   ChromeViewHostMsg_GetPluginInfo_Output output;
 651   render_frame->Send(new ChromeViewHostMsg_GetPluginInfo(
 652       render_frame->GetRoutingID(), url, frame->top()->document().url(),
 653       orig_mime_type, &output));
 654   *plugin = CreatePlugin(render_frame, frame, params, output);
 655 #else  // !defined(ENABLE_PLUGINS)
 656
 657 #if defined(OS_ANDROID)
 658   if (plugins::MobileYouTubePlugin::IsYouTubeURL(url, orig_mime_type)) {
 659     base::StringPiece template_html(
 660         ResourceBundle::GetSharedInstance().GetRawDataResource(
 661             IDR_MOBILE_YOUTUBE_PLUGIN_HTML));
 662     *plugin = (new plugins::MobileYouTubePlugin(render_frame, frame, params,
 663                                                 template_html))->plugin();
 664     return true;
 665   }
 666 #endif  // defined(OS_ANDROID)
 667
 668   PluginUMAReporter::GetInstance()->ReportPluginMissing(orig_mime_type, url);
 669   *plugin = NonLoadablePluginPlaceholder::CreateNotSupportedPlugin(
 670                 render_frame, frame, params)->plugin();
 671
 672 #endif  // defined(ENABLE_PLUGINS)
 673   return true;
 674 }
 675
 676 WebPlugin* ChromeContentRendererClient::CreatePluginReplacement(
 677     content::RenderFrame* render_frame,
 678     const base::FilePath& plugin_path) {
 679   return NonLoadablePluginPlaceholder::CreateErrorPlugin(render_frame,
 680                                                          plugin_path)->plugin();
 681 }
 682
 683 void ChromeContentRendererClient::DeferMediaLoad(
 684     content::RenderFrame* render_frame,
 685     const base::Closure& closure) {
 686 #if defined(OS_ANDROID)
 687   // Chromium for Android doesn't support prerender yet.
 688   closure.Run();
 689   return;
 690 #else
 691   if (!prerender::PrerenderHelper::IsPrerendering(render_frame)) {
 692     closure.Run();
 693     return;
 694   }
 695
 696   // Lifetime is tied to |render_frame| via content::RenderFrameObserver.
 697   new prerender::PrerenderMediaLoadDeferrer(render_frame, closure);
 698 #endif
 699 }
 700
 701 #if defined(ENABLE_PLUGINS)
 702 WebPlugin* ChromeContentRendererClient::CreatePlugin(
 703     content::RenderFrame* render_frame,
 704     blink::WebLocalFrame* frame,
 705     const WebPluginParams& original_params,
 706     const ChromeViewHostMsg_GetPluginInfo_Output& output) {
 707   const WebPluginInfo& info = output.plugin;
 708   const std::string& actual_mime_type = output.actual_mime_type;
 709   const base::string16& group_name = output.group_name;
 710   const std::string& identifier = output.group_identifier;
 711   ChromeViewHostMsg_GetPluginInfo_Status status = output.status;
 712   GURL url(original_params.url);
 713   std::string orig_mime_type = original_params.mimeType.utf8();
 714   ChromePluginPlaceholder* placeholder = NULL;
 715
 716   // If the browser plugin is to be enabled, this should be handled by the
 717   // renderer, so the code won't reach here due to the early exit in
 718   // OverrideCreatePlugin.
 719   if (status == ChromeViewHostMsg_GetPluginInfo_Status::kNotFound ||
 720       orig_mime_type == content::kBrowserPluginMimeType) {
 721     PluginUMAReporter::GetInstance()->ReportPluginMissing(orig_mime_type, url);
 722     placeholder = ChromePluginPlaceholder::CreateLoadableMissingPlugin(
 723         render_frame, frame, original_params);
 724   } else {
 725     // TODO(bauerb): This should be in content/.
 726     WebPluginParams params(original_params);
 727     for (size_t i = 0; i < info.mime_types.size(); ++i) {
 728       if (info.mime_types[i].mime_type == actual_mime_type) {
 729         AppendParams(info.mime_types[i].additional_param_names,
 730                      info.mime_types[i].additional_param_values,
 731                      &params.attributeNames, &params.attributeValues);
 732         break;
 733       }
 734     }
 735     if (params.mimeType.isNull() && (actual_mime_type.size() > 0)) {
 736       // Webkit might say that mime type is null while we already know the
 737       // actual mime type via ChromeViewHostMsg_GetPluginInfo. In that case
 738       // we should use what we know since WebpluginDelegateProxy does some
 739       // specific initializations based on this information.
 740       params.mimeType = WebString::fromUTF8(actual_mime_type.c_str());
 741     }
 742
 743     ContentSettingsObserver* observer =
 744         ContentSettingsObserver::Get(render_frame);
 745
 746     const ContentSettingsType content_type =
 747         ShouldUseJavaScriptSettingForPlugin(info)
 748             ? CONTENT_SETTINGS_TYPE_JAVASCRIPT
 749             : CONTENT_SETTINGS_TYPE_PLUGINS;
 750
 751     if ((status == ChromeViewHostMsg_GetPluginInfo_Status::kUnauthorized ||
 752          status == ChromeViewHostMsg_GetPluginInfo_Status::kBlocked) &&
 753         observer->IsPluginTemporarilyAllowed(identifier)) {
 754       status = ChromeViewHostMsg_GetPluginInfo_Status::kAllowed;
 755     }
 756
 757 #if defined(OS_WIN)
 758     // In Windows we need to check if we can load NPAPI plugins.
 759     // For example, if the render view is in the Ash desktop, we should not.
 760     // If user is on ALLOW or DETECT setting, loading needs to be blocked here.
 761     if ((status == ChromeViewHostMsg_GetPluginInfo_Status::kAllowed ||
 762          status ==
 763              ChromeViewHostMsg_GetPluginInfo_Status::kPlayImportantContent) &&
 764         info.type == content::WebPluginInfo::PLUGIN_TYPE_NPAPI) {
 765         if (observer->AreNPAPIPluginsBlocked())
 766           status = ChromeViewHostMsg_GetPluginInfo_Status::kNPAPINotSupported;
 767     }
 768 #endif
 769
 770     auto create_blocked_plugin =
 771         [&render_frame, &frame, &params, &info, &identifier, &group_name](
 772             int template_id, const base::string16& message) {
 773           return ChromePluginPlaceholder::CreateBlockedPlugin(
 774               render_frame, frame, params, info, identifier, group_name,
 775               template_id, message, PlaceholderPosterInfo());
 776         };
 777     switch (status) {
 778       case ChromeViewHostMsg_GetPluginInfo_Status::kNotFound: {
 779         NOTREACHED();
 780         break;
 781       }
 782       case ChromeViewHostMsg_GetPluginInfo_Status::kAllowed:
 783       case ChromeViewHostMsg_GetPluginInfo_Status::kPlayImportantContent: {
 784 #if !defined(DISABLE_NACL) && defined(ENABLE_EXTENSIONS)
 785         const bool is_nacl_plugin =
 786             info.name == ASCIIToUTF16(nacl::kNaClPluginName);
 787         const bool is_nacl_mime_type =
 788             actual_mime_type == nacl::kNaClPluginMimeType;
 789         const bool is_pnacl_mime_type =
 790             actual_mime_type == nacl::kPnaclPluginMimeType;
 791         if (is_nacl_plugin || is_nacl_mime_type || is_pnacl_mime_type) {
 792           bool is_nacl_unrestricted = false;
 793           if (is_nacl_mime_type) {
 794             is_nacl_unrestricted =
 795                 base::CommandLine::ForCurrentProcess()->HasSwitch(
 796                     switches::kEnableNaCl);
 797           } else if (is_pnacl_mime_type) {
 798             is_nacl_unrestricted = true;
 799           }
 800           GURL manifest_url;
 801           GURL app_url;
 802           if (is_nacl_mime_type || is_pnacl_mime_type) {
 803             // Normal NaCl/PNaCl embed. The app URL is the page URL.
 804             manifest_url = url;
 805             app_url = frame->top()->document().url();
 806           } else {
 807             // NaCl is being invoked as a content handler. Look up the NaCl
 808             // module using the MIME type. The app URL is the manifest URL.
 809             manifest_url = GetNaClContentHandlerURL(actual_mime_type, info);
 810             app_url = manifest_url;
 811           }
 812           const Extension* extension =
 813               g_current_client->extension_dispatcher_->extensions()->
 814                   GetExtensionOrAppByURL(manifest_url);
 815           if (!IsNaClAllowed(manifest_url,
 816                              app_url,
 817                              is_nacl_unrestricted,
 818                              extension,
 819                              &params)) {
 820             WebString error_message;
 821             if (is_nacl_mime_type) {
 822               error_message =
 823                   "Only unpacked extensions and apps installed from the Chrome "
 824                   "Web Store can load NaCl modules without enabling Native "
 825                   "Client in about:flags.";
 826             } else if (is_pnacl_mime_type) {
 827               error_message =
 828                   "Portable Native Client must not be disabled in about:flags.";
 829             }
 830             frame->addMessageToConsole(
 831                 WebConsoleMessage(WebConsoleMessage::LevelError,
 832                                   error_message));
 833             placeholder = create_blocked_plugin(
 834                 IDR_BLOCKED_PLUGIN_HTML,
 835 #if defined(OS_CHROMEOS)
 836                 l10n_util::GetStringUTF16(IDS_NACL_PLUGIN_BLOCKED));
 837 #else
 838                 l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED, group_name));
 839 #endif
 840             break;
 841           }
 842         }
 843 #endif  // !defined(DISABLE_NACL) && defined(ENABLE_EXTENSIONS)
 844
 845         // Delay loading plugins if prerendering.
 846         // TODO(mmenke):  In the case of prerendering, feed into
 847         //                ChromeContentRendererClient::CreatePlugin instead, to
 848         //                reduce the chance of future regressions.
 849         bool is_prerendering =
 850             prerender::PrerenderHelper::IsPrerendering(render_frame);
 851         bool power_saver_enabled =
 852             status ==
 853                 ChromeViewHostMsg_GetPluginInfo_Status::kPlayImportantContent;
 854         bool blocked_for_background_tab =
 855             render_frame->IsHidden() && power_saver_enabled;
 856
 857         if (info.name == ASCIIToUTF16(content::kFlashPluginName))
 858           TrackPosterParamPresence(params, power_saver_enabled);
 859
 860         PlaceholderPosterInfo poster_info;
 861         if (power_saver_enabled) {
 862           poster_info.poster_attribute =
 863               GetPluginInstancePosterAttribute(params);
 864           poster_info.base_url = frame->document().url();
 865         }
 866
 867         if (blocked_for_background_tab || is_prerendering ||
 868             !poster_info.poster_attribute.empty()) {
 869           placeholder = ChromePluginPlaceholder::CreateBlockedPlugin(
 870               render_frame, frame, params, info, identifier, group_name,
 871               poster_info.poster_attribute.empty() ? IDR_BLOCKED_PLUGIN_HTML
 872                                                    : IDR_PLUGIN_POSTER_HTML,
 873               l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED, group_name),
 874               poster_info);
 875           placeholder->set_blocked_for_background_tab(
 876               blocked_for_background_tab);
 877           placeholder->set_blocked_for_prerendering(is_prerendering);
 878           placeholder->set_power_saver_enabled(power_saver_enabled);
 879           break;
 880         }
 881
 882         scoped_ptr<content::PluginInstanceThrottler> throttler;
 883         if (power_saver_enabled) {
 884           throttler = PluginInstanceThrottler::Create();
 885           // PluginPreroller manages its own lifetime.
 886           new PluginPreroller(
 887               render_frame, frame, params, info, identifier, group_name,
 888               l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED, group_name),
 889               throttler.get());
 890         }
 891
 892         return render_frame->CreatePlugin(frame, info, params,
 893                                           throttler.Pass());
 894       }
 895       case ChromeViewHostMsg_GetPluginInfo_Status::kNPAPINotSupported: {
 896         RenderThread::Get()->RecordAction(
 897             UserMetricsAction("Plugin_NPAPINotSupported"));
 898         placeholder = create_blocked_plugin(
 899             IDR_BLOCKED_PLUGIN_HTML,
 900             l10n_util::GetStringUTF16(IDS_PLUGIN_NOT_SUPPORTED_METRO));
 901         render_frame->Send(new ChromeViewHostMsg_NPAPINotSupported(
 902             render_frame->GetRoutingID(), identifier));
 903         break;
 904       }
 905       case ChromeViewHostMsg_GetPluginInfo_Status::kDisabled: {
 906         PluginUMAReporter::GetInstance()->ReportPluginDisabled(orig_mime_type,
 907                                                                url);
 908         placeholder = create_blocked_plugin(
 909             IDR_DISABLED_PLUGIN_HTML,
 910             l10n_util::GetStringFUTF16(IDS_PLUGIN_DISABLED, group_name));
 911         break;
 912       }
 913       case ChromeViewHostMsg_GetPluginInfo_Status::kOutdatedBlocked: {
 914 #if defined(ENABLE_PLUGIN_INSTALLATION)
 915         placeholder = create_blocked_plugin(
 916             IDR_BLOCKED_PLUGIN_HTML,
 917             l10n_util::GetStringFUTF16(IDS_PLUGIN_OUTDATED, group_name));
 918         render_frame->Send(new ChromeViewHostMsg_BlockedOutdatedPlugin(
 919             render_frame->GetRoutingID(), placeholder->CreateRoutingId(),
 920             identifier));
 921 #else
 922         NOTREACHED();
 923 #endif
 924         break;
 925       }
 926       case ChromeViewHostMsg_GetPluginInfo_Status::kOutdatedDisallowed: {
 927         placeholder = create_blocked_plugin(
 928             IDR_BLOCKED_PLUGIN_HTML,
 929             l10n_util::GetStringFUTF16(IDS_PLUGIN_OUTDATED, group_name));
 930         break;
 931       }
 932       case ChromeViewHostMsg_GetPluginInfo_Status::kUnauthorized: {
 933         placeholder = create_blocked_plugin(
 934             IDR_BLOCKED_PLUGIN_HTML,
 935             l10n_util::GetStringFUTF16(IDS_PLUGIN_NOT_AUTHORIZED, group_name));
 936         if (info.type != content::WebPluginInfo::PLUGIN_TYPE_NPAPI) {
 937           render_frame->Send(new ChromeViewHostMsg_BlockedUnauthorizedPlugin(
 938               render_frame->GetRoutingID(),
 939               group_name,
 940               identifier));
 941         }
 942         observer->DidBlockContentType(content_type, group_name);
 943         break;
 944       }
 945       case ChromeViewHostMsg_GetPluginInfo_Status::kBlocked: {
 946         placeholder = create_blocked_plugin(
 947             IDR_BLOCKED_PLUGIN_HTML,
 948             l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED, group_name));
 949         RenderThread::Get()->RecordAction(UserMetricsAction("Plugin_Blocked"));
 950         observer->DidBlockContentType(content_type, group_name);
 951         break;
 952       }
 953       case ChromeViewHostMsg_GetPluginInfo_Status::kBlockedByPolicy: {
 954         placeholder = create_blocked_plugin(
 955             IDR_BLOCKED_PLUGIN_HTML,
 956             l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED_BY_POLICY,
 957                                        group_name));
 958         placeholder->DisallowLoading();
 959         RenderThread::Get()->RecordAction(
 960             UserMetricsAction("Plugin_BlockedByPolicy"));
 961         observer->DidBlockContentType(content_type, group_name);
 962         break;
 963       }
 964     }
 965   }
 966   placeholder->SetStatus(status);
 967   return placeholder->plugin();
 968 }
 969 #endif  // defined(ENABLE_PLUGINS)
 970
 971 // For NaCl content handling plugins, the NaCl manifest is stored in an
 972 // additonal 'nacl' param associated with the MIME type.
 973 //  static
 974 GURL ChromeContentRendererClient::GetNaClContentHandlerURL(
 975     const std::string& actual_mime_type,
 976     const content::WebPluginInfo& plugin) {
 977   // Look for the manifest URL among the MIME type's additonal parameters.
 978   const char kNaClPluginManifestAttribute[] = "nacl";
 979   base::string16 nacl_attr = ASCIIToUTF16(kNaClPluginManifestAttribute);
 980   for (size_t i = 0; i < plugin.mime_types.size(); ++i) {
 981     if (plugin.mime_types[i].mime_type == actual_mime_type) {
 982       const content::WebPluginMimeType& content_type = plugin.mime_types[i];
 983       for (size_t i = 0; i < content_type.additional_param_names.size(); ++i) {
 984         if (content_type.additional_param_names[i] == nacl_attr)
 985           return GURL(content_type.additional_param_values[i]);
 986       }
 987       break;
 988     }
 989   }
 990   return GURL();
 991 }
 992
 993 #if !defined(DISABLE_NACL)
 994 //  static
 995 bool ChromeContentRendererClient::IsNaClAllowed(
 996     const GURL& manifest_url,
 997     const GURL& app_url,
 998     bool is_nacl_unrestricted,
 999     const Extension* extension,
1000     WebPluginParams* params) {
1001   // Temporarily allow these whitelisted apps and WebUIs to use NaCl.
1002   std::string app_url_host = app_url.host();
1003   std::string manifest_url_path = manifest_url.path();
1004
1005   bool is_whitelisted_web_ui =
1006       app_url.spec() == chrome::kChromeUIAppListStartPageURL;
1007
1008   bool is_photo_app =
1009       // Whitelisted apps must be served over https.
1010       app_url.SchemeIsCryptographic() && manifest_url.SchemeIsCryptographic() &&
1011       (base::EndsWith(app_url_host, "plus.google.com",
1012                       base::CompareCase::INSENSITIVE_ASCII) ||
1013        base::EndsWith(app_url_host, "plus.sandbox.google.com",
1014                       base::CompareCase::INSENSITIVE_ASCII)) &&
1015       manifest_url.DomainIs("ssl.gstatic.com") &&
1016       (manifest_url_path.find("s2/oz/nacl/") == 1 ||
1017        manifest_url_path.find("photos/nacl/") == 1);
1018
1019   std::string manifest_fs_host;
1020   if (manifest_url.SchemeIsFileSystem() && manifest_url.inner_url()) {
1021     manifest_fs_host = manifest_url.inner_url()->host();
1022   }
1023   bool is_hangouts_app =
1024       // Whitelisted apps must be served over secure scheme.
1025       app_url.SchemeIsCryptographic() && manifest_url.SchemeIsFileSystem() &&
1026       manifest_url.inner_url()->SchemeIsCryptographic() &&
1027       (base::EndsWith(app_url_host, "talkgadget.google.com",
1028                       base::CompareCase::INSENSITIVE_ASCII) ||
1029        base::EndsWith(app_url_host, "plus.google.com",
1030                       base::CompareCase::INSENSITIVE_ASCII) ||
1031        base::EndsWith(app_url_host, "plus.sandbox.google.com",
1032                       base::CompareCase::INSENSITIVE_ASCII)) &&
1033       // The manifest must be loaded from the host's FileSystem.
1034       (manifest_fs_host == app_url_host);
1035
1036   bool is_whitelisted_app = is_photo_app || is_hangouts_app;
1037
1038   bool is_invoked_by_webstore_installed_extension = false;
1039   bool is_extension_unrestricted = false;
1040   bool is_extension_force_installed = false;
1041 #if defined(ENABLE_EXTENSIONS)
1042   bool is_extension_from_webstore = extension && extension->from_webstore();
1043
1044   bool is_invoked_by_extension = app_url.SchemeIs("chrome-extension");
1045   bool is_invoked_by_hosted_app = extension &&
1046       extension->is_hosted_app() &&
1047       extension->web_extent().MatchesURL(app_url);
1048
1049   is_invoked_by_webstore_installed_extension = is_extension_from_webstore &&
1050       (is_invoked_by_extension || is_invoked_by_hosted_app);
1051
1052   // Allow built-in extensions and developer mode extensions.
1053   is_extension_unrestricted = extension &&
1054        (extensions::Manifest::IsUnpackedLocation(extension->location()) ||
1055         extensions::Manifest::IsComponentLocation(extension->location()));
1056   // Allow extensions force installed by admin policy.
1057   is_extension_force_installed = extension &&
1058        extensions::Manifest::IsPolicyLocation(extension->location());
1059 #endif  // defined(ENABLE_EXTENSIONS)
1060
1061   // Allow NaCl under any of the following circumstances:
1062   //  1) An app or URL is explictly whitelisted above.
1063   //  2) An extension is loaded unpacked or built-in (component) to Chrome.
1064   //  3) An extension is force installed by policy.
1065   //  4) An extension is installed from the webstore, and invoked in that
1066   //     context (hosted app URL or chrome-extension:// scheme).
1067   //  5) --enable-nacl is set.
1068   bool is_nacl_allowed_by_location =
1069       is_whitelisted_web_ui ||
1070       is_whitelisted_app ||
1071       is_extension_unrestricted ||
1072       is_extension_force_installed ||
1073       is_invoked_by_webstore_installed_extension;
1074   bool is_nacl_allowed = is_nacl_allowed_by_location || is_nacl_unrestricted;
1075   if (is_nacl_allowed) {
1076     // Make sure that PPAPI 'dev' interfaces are only available for unpacked
1077     // and component extensions.  Also allow dev interfaces when --enable-nacl
1078     // is set, but do not allow --enable-nacl to provide dev interfaces to
1079     // webstore installed and other normally allowed URLs.
1080     WebString dev_attribute = WebString::fromUTF8("@dev");
1081     if (is_extension_unrestricted ||
1082         (is_nacl_unrestricted && !is_nacl_allowed_by_location)) {
1083       // Add the special '@dev' attribute.
1084       std::vector<base::string16> param_names;
1085       std::vector<base::string16> param_values;
1086       param_names.push_back(dev_attribute);
1087       param_values.push_back(WebString());
1088       AppendParams(
1089           param_names,
1090           param_values,
1091           &params->attributeNames,
1092           &params->attributeValues);
1093     } else {
1094       // If the params somehow contain '@dev', remove it.
1095       size_t attribute_count = params->attributeNames.size();
1096       for (size_t i = 0; i < attribute_count; ++i) {
1097         if (params->attributeNames[i].equals(dev_attribute))
1098           params->attributeNames[i] = WebString();
1099       }
1100     }
1101   }
1102   return is_nacl_allowed;
1103 }
1104 #endif  // defined(DISABLE_NACL)
1105
1106 bool ChromeContentRendererClient::HasErrorPage(int http_status_code,
1107                                                std::string* error_domain) {
1108   // Use an internal error page, if we have one for the status code.
1109   if (!LocalizedError::HasStrings(LocalizedError::kHttpErrorDomain,
1110                                   http_status_code)) {
1111     return false;
1112   }
1113
1114   *error_domain = LocalizedError::kHttpErrorDomain;
1115   return true;
1116 }
1117
1118 bool ChromeContentRendererClient::ShouldSuppressErrorPage(
1119     content::RenderFrame* render_frame,
1120     const GURL& url) {
1121   // Unit tests for ChromeContentRendererClient pass a NULL RenderFrame here.
1122   // Unfortunately it's very difficult to construct a mock RenderView, so skip
1123   // this functionality in this case.
1124   if (render_frame) {
1125     content::RenderView* render_view = render_frame->GetRenderView();
1126     content::RenderFrame* main_render_frame = render_view->GetMainRenderFrame();
1127     blink::WebFrame* web_frame = render_frame->GetWebFrame();
1128     NetErrorHelper* net_error_helper = NetErrorHelper::Get(main_render_frame);
1129     if (net_error_helper->ShouldSuppressErrorPage(web_frame, url))
1130       return true;
1131   }
1132   // Do not flash an error page if the Instant new tab page fails to load.
1133   return SearchBouncer::GetInstance()->IsNewTabPage(url);
1134 }
1135
1136 void ChromeContentRendererClient::GetNavigationErrorStrings(
1137     content::RenderView* render_view,
1138     blink::WebFrame* frame,
1139     const blink::WebURLRequest& failed_request,
1140     const blink::WebURLError& error,
1141     std::string* error_html,
1142     base::string16* error_description) {
1143   const GURL failed_url = error.unreachableURL;
1144
1145   bool is_post = base::EqualsASCII(
1146       base::StringPiece16(failed_request.httpMethod()), "POST");
1147
1148   if (error_html) {
1149     // TODO(ellyjones): change GetNavigationErrorStrings to take a RenderFrame
1150     // instead of a RenderView, then pass that in.
1151     // This is safe for now because we only install the NetErrorHelper on the
1152     // main render frame anyway; see the TODO(ellyjones) in
1153     // RenderFrameCreated.
1154     content::RenderFrame* main_render_frame = render_view->GetMainRenderFrame();
1155     NetErrorHelper* helper = NetErrorHelper::Get(main_render_frame);
1156     helper->GetErrorHTML(frame, error, is_post, error_html);
1157   }
1158
1159   if (error_description)
1160     *error_description = LocalizedError::GetErrorDetails(error, is_post);
1161 }
1162
1163 bool ChromeContentRendererClient::RunIdleHandlerWhenWidgetsHidden() {
1164 #if defined(ENABLE_EXTENSIONS)
1165   return !IsStandaloneExtensionProcess();
1166 #else
1167   return true;
1168 #endif
1169 }
1170
1171 bool ChromeContentRendererClient::AllowPopup() {
1172 #if defined(ENABLE_EXTENSIONS)
1173   extensions::ScriptContext* current_context =
1174       extension_dispatcher_->script_context_set().GetCurrent();
1175   if (!current_context || !current_context->extension())
1176     return false;
1177   // See http://crbug.com/117446 for the subtlety of this check.
1178   switch (current_context->context_type()) {
1179     case extensions::Feature::UNSPECIFIED_CONTEXT:
1180     case extensions::Feature::WEB_PAGE_CONTEXT:
1181     case extensions::Feature::UNBLESSED_EXTENSION_CONTEXT:
1182     case extensions::Feature::WEBUI_CONTEXT:
1183       return false;
1184     case extensions::Feature::BLESSED_EXTENSION_CONTEXT:
1185     case extensions::Feature::CONTENT_SCRIPT_CONTEXT:
1186       return true;
1187     case extensions::Feature::BLESSED_WEB_PAGE_CONTEXT:
1188       return !current_context->web_frame()->parent();
1189   }
1190   NOTREACHED();
1191 #endif
1192   return false;
1193 }
1194
1195 bool ChromeContentRendererClient::ShouldFork(blink::WebLocalFrame* frame,
1196                                              const GURL& url,
1197                                              const std::string& http_method,
1198                                              bool is_initial_navigation,
1199                                              bool is_server_redirect,
1200                                              bool* send_referrer) {
1201   DCHECK(!frame->parent());
1202
1203   // If this is the Instant process, fork all navigations originating from the
1204   // renderer.  The destination page will then be bucketed back to this Instant
1205   // process if it is an Instant url, or to another process if not.  Conversely,
1206   // fork if this is a non-Instant process navigating to an Instant url, so that
1207   // such navigations can also be bucketed into an Instant renderer.
1208   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
1209           switches::kInstantProcess) ||
1210       SearchBouncer::GetInstance()->ShouldFork(url)) {
1211     *send_referrer = true;
1212     return true;
1213   }
1214
1215   // For now, we skip the rest for POST submissions.  This is because
1216   // http://crbug.com/101395 is more likely to cause compatibility issues
1217   // with hosted apps and extensions than WebUI pages.  We will remove this
1218   // check when cross-process POST submissions are supported.
1219   if (http_method != "GET")
1220     return false;
1221
1222   // If |url| matches one of the prerendered URLs, stop this navigation and try
1223   // to swap in the prerendered page on the browser process. If the prerendered
1224   // page no longer exists by the time the OpenURL IPC is handled, a normal
1225   // navigation is attempted.
1226   if (prerender_dispatcher_.get() &&
1227       prerender_dispatcher_->IsPrerenderURL(url)) {
1228     *send_referrer = true;
1229     return true;
1230   }
1231
1232 #if defined(ENABLE_EXTENSIONS)
1233   const extensions::ExtensionSet* extensions =
1234       extension_dispatcher_->extensions();
1235
1236   // Determine if the new URL is an extension (excluding bookmark apps).
1237   const Extension* new_url_extension = extensions::GetNonBookmarkAppExtension(
1238       *extensions, url);
1239   bool is_extension_url = !!new_url_extension;
1240
1241   // If the navigation would cross an app extent boundary, we also need
1242   // to defer to the browser to ensure process isolation.  This is not necessary
1243   // for server redirects, which will be transferred to a new process by the
1244   // browser process when they are ready to commit.  It is necessary for client
1245   // redirects, which won't be transferred in the same way.
1246   if (!is_server_redirect &&
1247       CrossesExtensionExtents(frame, url, *extensions, is_extension_url,
1248           is_initial_navigation)) {
1249     // Include the referrer in this case since we're going from a hosted web
1250     // page. (the packaged case is handled previously by the extension
1251     // navigation test)
1252     *send_referrer = true;
1253
1254     const Extension* extension =
1255         extension_dispatcher_->extensions()->GetExtensionOrAppByURL(url);
1256     if (extension && extension->is_app()) {
1257       extensions::RecordAppLaunchType(
1258           extension_misc::APP_LAUNCH_CONTENT_NAVIGATION, extension->GetType());
1259     }
1260     return true;
1261   }
1262
1263   // If this is a reload, check whether it has the wrong process type.  We
1264   // should send it to the browser if it's an extension URL (e.g., hosted app)
1265   // in a normal process, or if it's a process for an extension that has been
1266   // uninstalled.  Without --site-per-process mode, we never fork processes for
1267   // subframes, so this check only makes sense for top-level frames.
1268   // TODO(alexmos,nasko): Figure out how this check should work when reloading
1269   // subframes in --site-per-process mode.
1270   if (!frame->parent() && frame->document().url() == url) {
1271     if (is_extension_url != IsStandaloneExtensionProcess())
1272       return true;
1273   }
1274 #endif  // defined(ENABLE_EXTENSIONS)
1275
1276   return false;
1277 }
1278
1279 bool ChromeContentRendererClient::WillSendRequest(
1280     blink::WebFrame* frame,
1281     ui::PageTransition transition_type,
1282     const GURL& url,
1283     const GURL& first_party_for_cookies,
1284     GURL* new_url) {
1285   // Check whether the request should be allowed. If not allowed, we reset the
1286   // URL to something invalid to prevent the request and cause an error.
1287 #if defined(ENABLE_EXTENSIONS)
1288   if (url.SchemeIs(extensions::kExtensionScheme) &&
1289       !extensions::ResourceRequestPolicy::CanRequestResource(
1290           url,
1291           frame,
1292           transition_type,
1293           extension_dispatcher_->extensions())) {
1294     *new_url = GURL(chrome::kExtensionInvalidRequestURL);
1295     return true;
1296   }
1297
1298   if (url.SchemeIs(extensions::kExtensionResourceScheme) &&
1299       !extensions::ResourceRequestPolicy::CanRequestExtensionResourceScheme(
1300           url,
1301           frame)) {
1302     *new_url = GURL(chrome::kExtensionResourceInvalidRequestURL);
1303     return true;
1304   }
1305 #endif
1306
1307   const content::RenderView* render_view =
1308       content::RenderView::FromWebView(frame->view());
1309   SearchBox* search_box = SearchBox::Get(render_view);
1310   if (search_box && url.SchemeIs(chrome::kChromeSearchScheme)) {
1311     SearchBox::ImageSourceType type = SearchBox::NONE;
1312     if (url.host() == chrome::kChromeUIFaviconHost)
1313       type = SearchBox::FAVICON;
1314     else if (url.host() == chrome::kChromeUILargeIconHost)
1315       type = SearchBox::LARGE_ICON;
1316     else if (url.host() == chrome::kChromeUIFallbackIconHost)
1317       type = SearchBox::FALLBACK_ICON;
1318     else if (url.host() == chrome::kChromeUIThumbnailHost)
1319       type = SearchBox::THUMB;
1320     if (type != SearchBox::NONE)
1321       return search_box->GenerateImageURLFromTransientURL(url, type, new_url);
1322   }
1323
1324   return false;
1325 }
1326
1327 unsigned long long ChromeContentRendererClient::VisitedLinkHash(
1328     const char* canonical_url, size_t length) {
1329   return visited_link_slave_->ComputeURLFingerprint(canonical_url, length);
1330 }
1331
1332 bool ChromeContentRendererClient::IsLinkVisited(unsigned long long link_hash) {
1333   return visited_link_slave_->IsVisited(link_hash);
1334 }
1335
1336 blink::WebPrescientNetworking*
1337 ChromeContentRendererClient::GetPrescientNetworking() {
1338   return prescient_networking_dispatcher_.get();
1339 }
1340
1341 bool ChromeContentRendererClient::ShouldOverridePageVisibilityState(
1342     const content::RenderFrame* render_frame,
1343     blink::WebPageVisibilityState* override_state) {
1344   if (!prerender::PrerenderHelper::IsPrerendering(render_frame))
1345     return false;
1346
1347   *override_state = blink::WebPageVisibilityStatePrerender;
1348   return true;
1349 }
1350
1351 #if defined(ENABLE_EXTENSIONS)
1352 void ChromeContentRendererClient::SetExtensionDispatcherForTest(
1353     extensions::Dispatcher* extension_dispatcher) {
1354   extension_dispatcher_.reset(extension_dispatcher);
1355   permissions_policy_delegate_.reset(
1356       new extensions::RendererPermissionsPolicyDelegate(
1357           extension_dispatcher_.get()));
1358 }
1359
1360 extensions::Dispatcher*
1361 ChromeContentRendererClient::GetExtensionDispatcherForTest() {
1362   return extension_dispatcher_.get();
1363 }
1364
1365 bool ChromeContentRendererClient::CrossesExtensionExtents(
1366     blink::WebLocalFrame* frame,
1367     const GURL& new_url,
1368     const extensions::ExtensionSet& extensions,
1369     bool is_extension_url,
1370     bool is_initial_navigation) {
1371   DCHECK(!frame->parent());
1372   GURL old_url(frame->document().url());
1373
1374   // If old_url is still empty and this is an initial navigation, then this is
1375   // a window.open operation.  We should look at the opener URL.  Note that the
1376   // opener is a local frame in this case.
1377   if (is_initial_navigation && old_url.is_empty() && frame->opener()) {
1378     WebLocalFrame* opener_frame = frame->opener()->toWebLocalFrame();
1379
1380     // If we're about to open a normal web page from a same-origin opener stuck
1381     // in an extension process, we want to keep it in process to allow the
1382     // opener to script it.
1383     WebDocument opener_document = opener_frame->document();
1384     WebSecurityOrigin opener_origin = opener_document.securityOrigin();
1385     bool opener_is_extension_url =
1386         !opener_origin.isUnique() && extensions.GetExtensionOrAppByURL(
1387             opener_document.url()) != NULL;
1388     if (!is_extension_url &&
1389         !opener_is_extension_url &&
1390         IsStandaloneExtensionProcess() &&
1391         opener_origin.canRequest(WebURL(new_url)))
1392       return false;
1393
1394     // In all other cases, we want to compare against the URL that determines
1395     // the type of process.  In default Chrome, that's the URL of the opener's
1396     // top frame and not the opener frame itself.  In --site-per-process, we
1397     // can use the opener frame itself.
1398     if (base::CommandLine::ForCurrentProcess()->HasSwitch(
1399             switches::kSitePerProcess))
1400       old_url = opener_frame->document().url();
1401     else
1402       old_url = opener_frame->top()->document().url();
1403   }
1404
1405   // Only consider keeping non-app URLs in an app process if this window
1406   // has an opener (in which case it might be an OAuth popup that tries to
1407   // script an iframe within the app).
1408   bool should_consider_workaround = !!frame->opener();
1409
1410   return extensions::CrossesExtensionProcessBoundary(
1411       extensions, old_url, new_url, should_consider_workaround);
1412 }
1413 #endif  // defined(ENABLE_EXTENSIONS)
1414
1415 #if defined(ENABLE_SPELLCHECK)
1416 void ChromeContentRendererClient::SetSpellcheck(SpellCheck* spellcheck) {
1417   RenderThread* thread = RenderThread::Get();
1418   if (spellcheck_.get() && thread)
1419     thread->RemoveObserver(spellcheck_.get());
1420   spellcheck_.reset(spellcheck);
1421   SpellCheckReplacer replacer(spellcheck_.get());
1422   content::RenderView::ForEach(&replacer);
1423   if (thread)
1424     thread->AddObserver(spellcheck_.get());
1425 }
1426 #endif
1427
1428 // static
1429 bool ChromeContentRendererClient::WasWebRequestUsedBySomeExtensions() {
1430 #if defined(ENABLE_EXTENSIONS)
1431   return g_current_client->extension_dispatcher_
1432       ->WasWebRequestUsedBySomeExtensions();
1433 #else
1434   return false;
1435 #endif
1436 }
1437
1438 const void* ChromeContentRendererClient::CreatePPAPIInterface(
1439     const std::string& interface_name) {
1440 #if defined(ENABLE_PLUGINS) && !defined(DISABLE_NACL)
1441   if (interface_name == PPB_NACL_PRIVATE_INTERFACE)
1442     return nacl::GetNaClPrivateInterface();
1443 #endif
1444   return NULL;
1445 }
1446
1447 bool ChromeContentRendererClient::IsExternalPepperPlugin(
1448     const std::string& module_name) {
1449   // TODO(bbudge) remove this when the trusted NaCl plugin has been removed.
1450   // We must defer certain plugin events for NaCl instances since we switch
1451   // from the in-process to the out-of-process proxy after instantiating them.
1452   return module_name == "Native Client";
1453 }
1454
1455 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
1456 bool ChromeContentRendererClient::IsExtensionOrSharedModuleWhitelisted(
1457     const GURL& url, const std::set<std::string>& whitelist) {
1458   const extensions::ExtensionSet* extension_set =
1459       g_current_client->extension_dispatcher_->extensions();
1460   return chrome::IsExtensionOrSharedModuleWhitelisted(url, extension_set,
1461       whitelist);
1462 }
1463 #endif
1464
1465 blink::WebSpeechSynthesizer*
1466 ChromeContentRendererClient::OverrideSpeechSynthesizer(
1467     blink::WebSpeechSynthesizerClient* client) {
1468   return new TtsDispatcher(client);
1469 }
1470
1471 bool ChromeContentRendererClient::AllowPepperMediaStreamAPI(
1472     const GURL& url) {
1473 #if !defined(OS_ANDROID)
1474   // Allow only the Hangouts app to use the MediaStream APIs. It's OK to check
1475   // the whitelist in the renderer, since we're only preventing access until
1476   // these APIs are public and stable.
1477   std::string url_host = url.host();
1478   if (url.SchemeIs("https") &&
1479       (base::EndsWith(url_host, "talkgadget.google.com",
1480                       base::CompareCase::INSENSITIVE_ASCII) ||
1481        base::EndsWith(url_host, "plus.google.com",
1482                       base::CompareCase::INSENSITIVE_ASCII) ||
1483        base::EndsWith(url_host, "plus.sandbox.google.com",
1484                       base::CompareCase::INSENSITIVE_ASCII)) &&
1485       base::StartsWith(url.path(), "/hangouts/",
1486                        base::CompareCase::INSENSITIVE_ASCII)) {
1487     return true;
1488   }
1489   // Allow access for tests.
1490   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
1491           switches::kEnablePepperTesting)) {
1492     return true;
1493   }
1494 #endif  // !defined(OS_ANDROID)
1495   return false;
1496 }
1497
1498 void ChromeContentRendererClient::AddKeySystems(
1499     std::vector<media::KeySystemInfo>* key_systems) {
1500   AddChromeKeySystems(key_systems);
1501 }
1502
1503 bool ChromeContentRendererClient::ShouldReportDetailedMessageForSource(
1504     const base::string16& source) const {
1505 #if defined(ENABLE_EXTENSIONS)
1506   return extensions::IsSourceFromAnExtension(source);
1507 #else
1508   return false;
1509 #endif
1510 }
1511
1512 bool ChromeContentRendererClient::ShouldGatherSiteIsolationStats() const {
1513   // Site isolation stats are gathered currently for non-extension renderer
1514   // processes running a normal web page from the Internet.
1515   // TODO(nick): https://crbug.com/268640 Gather stats for extension processes
1516   // too; we would need to check the extension's manifest to know which sites
1517   // it's allowed to access.
1518 #if defined(ENABLE_EXTENSIONS)
1519   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
1520   return !command_line->HasSwitch(extensions::switches::kExtensionProcess);
1521 #else
1522   return true;
1523 #endif
1524 }
1525
1526 blink::WebWorkerContentSettingsClientProxy*
1527 ChromeContentRendererClient::CreateWorkerContentSettingsClientProxy(
1528     content::RenderFrame* render_frame,
1529     blink::WebFrame* frame) {
1530   return new WorkerContentSettingsClientProxy(render_frame, frame);
1531 }
1532
1533 bool ChromeContentRendererClient::IsPluginAllowedToUseDevChannelAPIs() {
1534 #if defined(ENABLE_PLUGINS)
1535   // Allow access for tests.
1536   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
1537           switches::kEnablePepperTesting)) {
1538     return true;
1539   }
1540
1541   chrome::VersionInfo::Channel channel = chrome::VersionInfo::GetChannel();
1542   // Allow dev channel APIs to be used on "Canary", "Dev", and "Unknown"
1543   // releases of Chrome. Permitting "Unknown" allows these APIs to be used on
1544   // Chromium builds as well.
1545   return channel <= chrome::VersionInfo::CHANNEL_DEV;
1546 #else
1547   return false;
1548 #endif
1549 }
1550
1551 bool ChromeContentRendererClient::IsPluginAllowedToUseCameraDeviceAPI(
1552     const GURL& url) {
1553 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
1554   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
1555           switches::kEnablePepperTesting))
1556     return true;
1557
1558   if (IsExtensionOrSharedModuleWhitelisted(url, allowed_camera_device_origins_))
1559     return true;
1560 #endif
1561
1562   return false;
1563 }
1564
1565 bool ChromeContentRendererClient::IsPluginAllowedToUseCompositorAPI(
1566     const GURL& url) {
1567 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
1568   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
1569           switches::kEnablePepperTesting))
1570     return true;
1571   if (IsExtensionOrSharedModuleWhitelisted(url, allowed_compositor_origins_))
1572     return true;
1573
1574   chrome::VersionInfo::Channel channel = chrome::VersionInfo::GetChannel();
1575   return channel <= chrome::VersionInfo::CHANNEL_DEV;
1576 #else
1577   return false;
1578 #endif
1579 }
1580
1581 content::BrowserPluginDelegate*
1582 ChromeContentRendererClient::CreateBrowserPluginDelegate(
1583     content::RenderFrame* render_frame,
1584     const std::string& mime_type,
1585     const GURL& original_url) {
1586 #if defined(ENABLE_EXTENSIONS)
1587   if (mime_type == content::kBrowserPluginMimeType) {
1588     return new extensions::ExtensionsGuestViewContainer(render_frame);
1589   } else {
1590     return new extensions::MimeHandlerViewContainer(
1591         render_frame, mime_type, original_url);
1592   }
1593 #else
1594   return NULL;
1595 #endif
1596 }
1597
1598 void ChromeContentRendererClient::RecordRappor(const std::string& metric,
1599                                                const std::string& sample) {
1600   RenderThread::Get()->Send(new ChromeViewHostMsg_RecordRappor(metric, sample));
1601 }
1602
1603 void ChromeContentRendererClient::RecordRapporURL(const std::string& metric,
1604                                                   const GURL& url) {
1605   RenderThread::Get()->Send(new ChromeViewHostMsg_RecordRapporURL(metric, url));
1606 }
1607
1608 scoped_ptr<blink::WebAppBannerClient>
1609 ChromeContentRendererClient::CreateAppBannerClient(
1610     content::RenderFrame* render_frame) {
1611   return scoped_ptr<blink::WebAppBannerClient>(
1612       new AppBannerClient(render_frame));
1613 }
1614
1615 void ChromeContentRendererClient::AddImageContextMenuProperties(
1616     const blink::WebURLResponse& response,
1617     std::map<std::string, std::string>* properties) {
1618   DCHECK(properties);
1619   WebString header_key(ASCIIToUTF16(
1620       data_reduction_proxy::chrome_proxy_header()));
1621   if (!response.httpHeaderField(header_key).isNull() &&
1622       response.httpHeaderField(header_key).utf8().find(
1623           data_reduction_proxy::chrome_proxy_lo_fi_directive()) !=
1624               std::string::npos) {
1625     (*properties)[data_reduction_proxy::chrome_proxy_header()] =
1626         data_reduction_proxy::chrome_proxy_lo_fi_directive();
1627   }
1628 }