content/renderer/renderer_blink_platform_impl.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 "content/renderer/renderer_blink_platform_impl.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/files/file_path.h"
   9 #include "base/lazy_instance.h"
  10 #include "base/location.h"
  11 #include "base/logging.h"
  12 #include "base/memory/shared_memory.h"
  13 #include "base/metrics/histogram.h"
  14 #include "base/numerics/safe_conversions.h"
  15 #include "base/single_thread_task_runner.h"
  16 #include "base/strings/string_number_conversions.h"
  17 #include "base/strings/utf_string_conversions.h"
  18 #include "base/thread_task_runner_handle.h"
  19 #include "build/build_config.h"
  20 #include "cc/blink/context_provider_web_context.h"
  21 #include "components/scheduler/child/web_scheduler_impl.h"
  22 #include "components/scheduler/renderer/renderer_scheduler.h"
  23 #include "components/scheduler/renderer/webthread_impl_for_renderer_scheduler.h"
  24 #include "content/child/database_util.h"
  25 #include "content/child/file_info_util.h"
  26 #include "content/child/fileapi/webfilesystem_impl.h"
  27 #include "content/child/indexed_db/webidbfactory_impl.h"
  28 #include "content/child/npapi/npobject_util.h"
  29 #include "content/child/quota_dispatcher.h"
  30 #include "content/child/quota_message_filter.h"
  31 #include "content/child/simple_webmimeregistry_impl.h"
  32 #include "content/child/thread_safe_sender.h"
  33 #include "content/child/web_database_observer_impl.h"
  34 #include "content/child/webblobregistry_impl.h"
  35 #include "content/child/webfileutilities_impl.h"
  36 #include "content/child/webmessageportchannel_impl.h"
  37 #include "content/common/file_utilities_messages.h"
  38 #include "content/common/gpu/client/context_provider_command_buffer.h"
  39 #include "content/common/gpu/client/gpu_channel_host.h"
  40 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
  41 #include "content/common/gpu/gpu_process_launch_causes.h"
  42 #include "content/common/mime_registry_messages.h"
  43 #include "content/common/view_messages.h"
  44 #include "content/public/common/content_switches.h"
  45 #include "content/public/common/service_registry.h"
  46 #include "content/public/common/webplugininfo.h"
  47 #include "content/public/renderer/content_renderer_client.h"
  48 #include "content/renderer/battery_status/battery_status_dispatcher.h"
  49 #include "content/renderer/cache_storage/webserviceworkercachestorage_impl.h"
  50 #include "content/renderer/device_sensors/device_light_event_pump.h"
  51 #include "content/renderer/device_sensors/device_motion_event_pump.h"
  52 #include "content/renderer/device_sensors/device_orientation_event_pump.h"
  53 #include "content/renderer/dom_storage/webstoragenamespace_impl.h"
  54 #include "content/renderer/gamepad_shared_memory_reader.h"
  55 #include "content/renderer/media/audio_decoder.h"
  56 #include "content/renderer/media/renderer_webaudiodevice_impl.h"
  57 #include "content/renderer/media/renderer_webmidiaccessor_impl.h"
  58 #include "content/renderer/render_thread_impl.h"
  59 #include "content/renderer/renderer_clipboard_delegate.h"
  60 #include "content/renderer/screen_orientation/screen_orientation_observer.h"
  61 #include "content/renderer/webclipboard_impl.h"
  62 #include "content/renderer/webgraphicscontext3d_provider_impl.h"
  63 #include "content/renderer/webpublicsuffixlist_impl.h"
  64 #include "gpu/config/gpu_info.h"
  65 #include "ipc/ipc_sync_message_filter.h"
  66 #include "media/audio/audio_output_device.h"
  67 #include "media/base/audio_hardware_config.h"
  68 #include "media/base/key_systems.h"
  69 #include "media/base/mime_util.h"
  70 #include "media/blink/webcontentdecryptionmodule_impl.h"
  71 #include "media/filters/stream_parser_factory.h"
  72 #include "net/base/net_util.h"
  73 #include "storage/common/database/database_identifier.h"
  74 #include "storage/common/quota/quota_types.h"
  75 #include "third_party/WebKit/public/platform/WebBatteryStatusListener.h"
  76 #include "third_party/WebKit/public/platform/WebBlobRegistry.h"
  77 #include "third_party/WebKit/public/platform/WebDeviceLightListener.h"
  78 #include "third_party/WebKit/public/platform/WebFileInfo.h"
  79 #include "third_party/WebKit/public/platform/WebGamepads.h"
  80 #include "third_party/WebKit/public/platform/WebMediaStreamCenter.h"
  81 #include "third_party/WebKit/public/platform/WebMediaStreamCenterClient.h"
  82 #include "third_party/WebKit/public/platform/WebPluginListBuilder.h"
  83 #include "third_party/WebKit/public/platform/WebURL.h"
  84 #include "third_party/WebKit/public/platform/WebVector.h"
  85 #include "third_party/WebKit/public/platform/modules/device_orientation/WebDeviceMotionListener.h"
  86 #include "third_party/WebKit/public/platform/modules/device_orientation/WebDeviceOrientationListener.h"
  87 #include "ui/gfx/color_profile.h"
  88 #include "url/gurl.h"
  89
  90 #if defined(OS_ANDROID)
  91 #include "content/renderer/android/synchronous_compositor_factory.h"
  92 #include "content/renderer/media/android/audio_decoder_android.h"
  93 #include "gpu/blink/webgraphicscontext3d_in_process_command_buffer_impl.h"
  94 #endif
  95
  96 #if defined(OS_MACOSX)
  97 #include "content/common/mac/font_descriptor.h"
  98 #include "content/common/mac/font_loader.h"
  99 #include "content/renderer/webscrollbarbehavior_impl_mac.h"
 100 #include "third_party/WebKit/public/platform/mac/WebSandboxSupport.h"
 101 #endif
 102
 103 #if defined(OS_POSIX)
 104 #include "base/file_descriptor_posix.h"
 105 #if !defined(OS_MACOSX) && !defined(OS_ANDROID)
 106 #include <map>
 107 #include <string>
 108
 109 #include "base/synchronization/lock.h"
 110 #include "content/common/child_process_sandbox_support_impl_linux.h"
 111 #include "third_party/WebKit/public/platform/linux/WebFallbackFont.h"
 112 #include "third_party/WebKit/public/platform/linux/WebSandboxSupport.h"
 113 #include "third_party/icu/source/common/unicode/utf16.h"
 114 #endif
 115 #endif
 116
 117 #if defined(OS_WIN)
 118 #include "content/common/child_process_messages.h"
 119 #endif
 120
 121 #if defined(USE_AURA)
 122 #include "content/renderer/webscrollbarbehavior_impl_gtkoraura.h"
 123 #elif !defined(OS_MACOSX)
 124 #include "third_party/WebKit/public/platform/WebScrollbarBehavior.h"
 125 #define WebScrollbarBehaviorImpl blink::WebScrollbarBehavior
 126 #endif
 127
 128 #if defined(ENABLE_WEBRTC)
 129 #include "content/renderer/media/webrtc/peer_connection_dependency_factory.h"
 130 #endif
 131
 132 using blink::Platform;
 133 using blink::WebAudioDevice;
 134 using blink::WebBlobRegistry;
 135 using blink::WebDatabaseObserver;
 136 using blink::WebFileInfo;
 137 using blink::WebFileSystem;
 138 using blink::WebGamepad;
 139 using blink::WebGamepads;
 140 using blink::WebIDBFactory;
 141 using blink::WebMIDIAccessor;
 142 using blink::WebMediaStreamCenter;
 143 using blink::WebMediaStreamCenterClient;
 144 using blink::WebMimeRegistry;
 145 using blink::WebRTCPeerConnectionHandler;
 146 using blink::WebRTCPeerConnectionHandlerClient;
 147 using blink::WebStorageNamespace;
 148 using blink::WebString;
 149 using blink::WebURL;
 150 using blink::WebVector;
 151
 152 namespace content {
 153
 154 namespace {
 155
 156 bool g_sandbox_enabled = true;
 157 double g_test_device_light_data = -1;
 158 base::LazyInstance<blink::WebDeviceMotionData>::Leaky
 159     g_test_device_motion_data = LAZY_INSTANCE_INITIALIZER;
 160 base::LazyInstance<blink::WebDeviceOrientationData>::Leaky
 161     g_test_device_orientation_data = LAZY_INSTANCE_INITIALIZER;
 162 // Set in startListening() when running layout tests, unset in stopListening(),
 163 // not owned by us.
 164 blink::WebBatteryStatusListener* g_test_battery_status_listener = nullptr;
 165
 166 } // namespace
 167
 168 //------------------------------------------------------------------------------
 169
 170 class RendererBlinkPlatformImpl::MimeRegistry
 171     : public SimpleWebMimeRegistryImpl {
 172  public:
 173   virtual blink::WebMimeRegistry::SupportsType supportsMediaMIMEType(
 174       const blink::WebString& mime_type,
 175       const blink::WebString& codecs,
 176       const blink::WebString& key_system);
 177   virtual bool supportsMediaSourceMIMEType(const blink::WebString& mime_type,
 178                                            const blink::WebString& codecs);
 179   virtual blink::WebString mimeTypeForExtension(
 180       const blink::WebString& file_extension);
 181   virtual blink::WebString mimeTypeFromFile(
 182       const blink::WebString& file_path);
 183 };
 184
 185 class RendererBlinkPlatformImpl::FileUtilities : public WebFileUtilitiesImpl {
 186  public:
 187   explicit FileUtilities(ThreadSafeSender* sender)
 188       : thread_safe_sender_(sender) {}
 189   virtual bool getFileInfo(const WebString& path, WebFileInfo& result);
 190  private:
 191   bool SendSyncMessageFromAnyThread(IPC::SyncMessage* msg) const;
 192   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
 193 };
 194
 195 #if !defined(OS_ANDROID) && !defined(OS_WIN)
 196 class RendererBlinkPlatformImpl::SandboxSupport
 197     : public blink::WebSandboxSupport {
 198  public:
 199   virtual ~SandboxSupport() {}
 200
 201 #if defined(OS_MACOSX)
 202   virtual bool loadFont(
 203       NSFont* src_font,
 204       CGFontRef* container,
 205       uint32* font_id);
 206 #elif defined(OS_POSIX)
 207   virtual void getFallbackFontForCharacter(
 208       blink::WebUChar32 character,
 209       const char* preferred_locale,
 210       blink::WebFallbackFont* fallbackFont);
 211   virtual void getRenderStyleForStrike(
 212       const char* family, int sizeAndStyle, blink::WebFontRenderStyle* out);
 213
 214  private:
 215   // WebKit likes to ask us for the correct font family to use for a set of
 216   // unicode code points. It needs this information frequently so we cache it
 217   // here.
 218   base::Lock unicode_font_families_mutex_;
 219   std::map<int32_t, blink::WebFallbackFont> unicode_font_families_;
 220 #endif
 221 };
 222 #endif  // !defined(OS_ANDROID) && !defined(OS_WIN)
 223
 224 //------------------------------------------------------------------------------
 225
 226 RendererBlinkPlatformImpl::RendererBlinkPlatformImpl(
 227     scheduler::RendererScheduler* renderer_scheduler)
 228     : BlinkPlatformImpl(renderer_scheduler->DefaultTaskRunner()),
 229       main_thread_(
 230           new scheduler::WebThreadImplForRendererScheduler(renderer_scheduler)),
 231       clipboard_delegate_(new RendererClipboardDelegate),
 232       clipboard_(new WebClipboardImpl(clipboard_delegate_.get())),
 233       mime_registry_(new RendererBlinkPlatformImpl::MimeRegistry),
 234       sudden_termination_disables_(0),
 235       plugin_refresh_allowed_(true),
 236       default_task_runner_(renderer_scheduler->DefaultTaskRunner()),
 237       web_scrollbar_behavior_(new WebScrollbarBehaviorImpl) {
 238 #if !defined(OS_ANDROID) && !defined(OS_WIN)
 239   if (g_sandbox_enabled && sandboxEnabled()) {
 240     sandbox_support_.reset(new RendererBlinkPlatformImpl::SandboxSupport);
 241   } else {
 242     DVLOG(1) << "Disabling sandbox support for testing.";
 243   }
 244 #endif
 245
 246   // ChildThread may not exist in some tests.
 247   if (ChildThreadImpl::current()) {
 248     sync_message_filter_ = ChildThreadImpl::current()->sync_message_filter();
 249     thread_safe_sender_ = ChildThreadImpl::current()->thread_safe_sender();
 250     quota_message_filter_ = ChildThreadImpl::current()->quota_message_filter();
 251     blob_registry_.reset(new WebBlobRegistryImpl(thread_safe_sender_.get()));
 252     web_idb_factory_.reset(new WebIDBFactoryImpl(thread_safe_sender_.get()));
 253     web_database_observer_impl_.reset(
 254         new WebDatabaseObserverImpl(sync_message_filter_.get()));
 255   }
 256 }
 257
 258 RendererBlinkPlatformImpl::~RendererBlinkPlatformImpl() {
 259   WebFileSystemImpl::DeleteThreadSpecificInstance();
 260 }
 261
 262 //------------------------------------------------------------------------------
 263
 264 blink::WebThread* RendererBlinkPlatformImpl::currentThread() {
 265   if (main_thread_->isCurrentThread())
 266     return main_thread_.get();
 267   return BlinkPlatformImpl::currentThread();
 268 }
 269
 270 blink::WebClipboard* RendererBlinkPlatformImpl::clipboard() {
 271   blink::WebClipboard* clipboard =
 272       GetContentClient()->renderer()->OverrideWebClipboard();
 273   if (clipboard)
 274     return clipboard;
 275   return clipboard_.get();
 276 }
 277
 278 blink::WebMimeRegistry* RendererBlinkPlatformImpl::mimeRegistry() {
 279   return mime_registry_.get();
 280 }
 281
 282 blink::WebFileUtilities* RendererBlinkPlatformImpl::fileUtilities() {
 283   if (!file_utilities_) {
 284     file_utilities_.reset(new FileUtilities(thread_safe_sender_.get()));
 285     file_utilities_->set_sandbox_enabled(sandboxEnabled());
 286   }
 287   return file_utilities_.get();
 288 }
 289
 290 blink::WebSandboxSupport* RendererBlinkPlatformImpl::sandboxSupport() {
 291 #if defined(OS_ANDROID) || defined(OS_WIN)
 292   // These platforms do not require sandbox support.
 293   return NULL;
 294 #else
 295   return sandbox_support_.get();
 296 #endif
 297 }
 298
 299 blink::WebCookieJar* RendererBlinkPlatformImpl::cookieJar() {
 300   NOTREACHED() << "Use WebFrameClient::cookieJar() instead!";
 301   return NULL;
 302 }
 303
 304 blink::WebThemeEngine* RendererBlinkPlatformImpl::themeEngine() {
 305   blink::WebThemeEngine* theme_engine =
 306       GetContentClient()->renderer()->OverrideThemeEngine();
 307   if (theme_engine)
 308     return theme_engine;
 309   return BlinkPlatformImpl::themeEngine();
 310 }
 311
 312 bool RendererBlinkPlatformImpl::sandboxEnabled() {
 313   // As explained in Platform.h, this function is used to decide
 314   // whether to allow file system operations to come out of WebKit or not.
 315   // Even if the sandbox is disabled, there's no reason why the code should
 316   // act any differently...unless we're in single process mode.  In which
 317   // case, we have no other choice.  Platform.h discourages using
 318   // this switch unless absolutely necessary, so hopefully we won't end up
 319   // with too many code paths being different in single-process mode.
 320   return !base::CommandLine::ForCurrentProcess()->HasSwitch(
 321       switches::kSingleProcess);
 322 }
 323
 324 unsigned long long RendererBlinkPlatformImpl::visitedLinkHash(
 325     const char* canonical_url,
 326     size_t length) {
 327   return GetContentClient()->renderer()->VisitedLinkHash(canonical_url, length);
 328 }
 329
 330 bool RendererBlinkPlatformImpl::isLinkVisited(unsigned long long link_hash) {
 331   return GetContentClient()->renderer()->IsLinkVisited(link_hash);
 332 }
 333
 334 void RendererBlinkPlatformImpl::createMessageChannel(
 335     blink::WebMessagePortChannel** channel1,
 336     blink::WebMessagePortChannel** channel2) {
 337   WebMessagePortChannelImpl::CreatePair(
 338       default_task_runner_, channel1, channel2);
 339 }
 340
 341 blink::WebPrescientNetworking*
 342 RendererBlinkPlatformImpl::prescientNetworking() {
 343   return GetContentClient()->renderer()->GetPrescientNetworking();
 344 }
 345
 346 void RendererBlinkPlatformImpl::cacheMetadata(const blink::WebURL& url,
 347                                               int64 response_time,
 348                                               const char* data,
 349                                               size_t size) {
 350   // Let the browser know we generated cacheable metadata for this resource. The
 351   // browser may cache it and return it on subsequent responses to speed
 352   // the processing of this resource.
 353   std::vector<char> copy(data, data + size);
 354   RenderThread::Get()->Send(new ViewHostMsg_DidGenerateCacheableMetadata(
 355       url, base::Time::FromInternalValue(response_time), copy));
 356 }
 357
 358 WebString RendererBlinkPlatformImpl::defaultLocale() {
 359   return base::ASCIIToUTF16(RenderThread::Get()->GetLocale());
 360 }
 361
 362 void RendererBlinkPlatformImpl::suddenTerminationChanged(bool enabled) {
 363   if (enabled) {
 364     // We should not get more enables than disables, but we want it to be a
 365     // non-fatal error if it does happen.
 366     DCHECK_GT(sudden_termination_disables_, 0);
 367     sudden_termination_disables_ = std::max(sudden_termination_disables_ - 1,
 368                                             0);
 369     if (sudden_termination_disables_ != 0)
 370       return;
 371   } else {
 372     sudden_termination_disables_++;
 373     if (sudden_termination_disables_ != 1)
 374       return;
 375   }
 376
 377   RenderThread* thread = RenderThread::Get();
 378   if (thread)  // NULL in unittests.
 379     thread->Send(new ViewHostMsg_SuddenTerminationChanged(enabled));
 380 }
 381
 382 WebStorageNamespace* RendererBlinkPlatformImpl::createLocalStorageNamespace() {
 383   return new WebStorageNamespaceImpl();
 384 }
 385
 386
 387 //------------------------------------------------------------------------------
 388
 389 WebIDBFactory* RendererBlinkPlatformImpl::idbFactory() {
 390   return web_idb_factory_.get();
 391 }
 392
 393 //------------------------------------------------------------------------------
 394
 395 blink::WebServiceWorkerCacheStorage* RendererBlinkPlatformImpl::cacheStorage(
 396     const WebString& origin_identifier) {
 397   const GURL origin =
 398       storage::GetOriginFromIdentifier(origin_identifier.utf8());
 399   return new WebServiceWorkerCacheStorageImpl(thread_safe_sender_.get(),
 400                                               origin);
 401 }
 402
 403 //------------------------------------------------------------------------------
 404
 405 WebFileSystem* RendererBlinkPlatformImpl::fileSystem() {
 406   return WebFileSystemImpl::ThreadSpecificInstance(default_task_runner_);
 407 }
 408
 409 //------------------------------------------------------------------------------
 410
 411 WebMimeRegistry::SupportsType
 412 RendererBlinkPlatformImpl::MimeRegistry::supportsMediaMIMEType(
 413     const WebString& mime_type,
 414     const WebString& codecs,
 415     const WebString& key_system) {
 416   const std::string mime_type_ascii = ToASCIIOrEmpty(mime_type);
 417   // Not supporting the container is a flat-out no.
 418   if (!media::IsSupportedMediaMimeType(mime_type_ascii))
 419     return IsNotSupported;
 420
 421   if (!key_system.isEmpty()) {
 422     // Check whether the key system is supported with the mime_type and codecs.
 423
 424     // Chromium only supports ASCII parameters.
 425     if (!base::IsStringASCII(key_system))
 426       return IsNotSupported;
 427
 428     std::string key_system_ascii =
 429         media::GetUnprefixedKeySystemName(base::UTF16ToASCII(
 430             base::StringPiece16(key_system)));
 431     std::vector<std::string> strict_codecs;
 432     media::ParseCodecString(ToASCIIOrEmpty(codecs), &strict_codecs, true);
 433
 434     if (!media::PrefixedIsSupportedKeySystemWithMediaMimeType(
 435             mime_type_ascii, strict_codecs, key_system_ascii)) {
 436       return IsNotSupported;
 437     }
 438
 439     // Continue processing the mime_type and codecs.
 440   }
 441
 442   // Check list of strict codecs to see if it is supported.
 443   if (media::IsStrictMediaMimeType(mime_type_ascii)) {
 444     // Check if the codecs are a perfect match.
 445     std::vector<std::string> strict_codecs;
 446     media::ParseCodecString(ToASCIIOrEmpty(codecs), &strict_codecs, false);
 447     return static_cast<WebMimeRegistry::SupportsType> (
 448         media::IsSupportedStrictMediaMimeType(mime_type_ascii, strict_codecs));
 449   }
 450
 451   // If we don't recognize the codec, it's possible we support it.
 452   std::vector<std::string> parsed_codecs;
 453   media::ParseCodecString(ToASCIIOrEmpty(codecs), &parsed_codecs, true);
 454   if (!media::AreSupportedMediaCodecs(parsed_codecs))
 455     return MayBeSupported;
 456
 457   // Otherwise we have a perfect match.
 458   return IsSupported;
 459 }
 460
 461 bool RendererBlinkPlatformImpl::MimeRegistry::supportsMediaSourceMIMEType(
 462     const blink::WebString& mime_type,
 463     const WebString& codecs) {
 464   const std::string mime_type_ascii = ToASCIIOrEmpty(mime_type);
 465   std::vector<std::string> parsed_codec_ids;
 466   media::ParseCodecString(ToASCIIOrEmpty(codecs), &parsed_codec_ids, false);
 467   if (mime_type_ascii.empty())
 468     return false;
 469   return media::StreamParserFactory::IsTypeSupported(
 470       mime_type_ascii, parsed_codec_ids);
 471 }
 472
 473 WebString RendererBlinkPlatformImpl::MimeRegistry::mimeTypeForExtension(
 474     const WebString& file_extension) {
 475   if (IsPluginProcess())
 476     return SimpleWebMimeRegistryImpl::mimeTypeForExtension(file_extension);
 477
 478   // The sandbox restricts our access to the registry, so we need to proxy
 479   // these calls over to the browser process.
 480   std::string mime_type;
 481   RenderThread::Get()->Send(
 482       new MimeRegistryMsg_GetMimeTypeFromExtension(
 483           base::FilePath::FromUTF16Unsafe(file_extension).value(), &mime_type));
 484   return base::ASCIIToUTF16(mime_type);
 485 }
 486
 487 WebString RendererBlinkPlatformImpl::MimeRegistry::mimeTypeFromFile(
 488     const WebString& file_path) {
 489   if (IsPluginProcess())
 490     return SimpleWebMimeRegistryImpl::mimeTypeFromFile(file_path);
 491
 492   // The sandbox restricts our access to the registry, so we need to proxy
 493   // these calls over to the browser process.
 494   std::string mime_type;
 495   RenderThread::Get()->Send(new MimeRegistryMsg_GetMimeTypeFromFile(
 496       base::FilePath::FromUTF16Unsafe(file_path),
 497       &mime_type));
 498   return base::ASCIIToUTF16(mime_type);
 499 }
 500
 501 //------------------------------------------------------------------------------
 502
 503 bool RendererBlinkPlatformImpl::FileUtilities::getFileInfo(
 504     const WebString& path,
 505     WebFileInfo& web_file_info) {
 506   base::File::Info file_info;
 507   base::File::Error status = base::File::FILE_ERROR_MAX;
 508   if (!SendSyncMessageFromAnyThread(new FileUtilitiesMsg_GetFileInfo(
 509            base::FilePath::FromUTF16Unsafe(path), &file_info, &status)) ||
 510       status != base::File::FILE_OK) {
 511     return false;
 512   }
 513   FileInfoToWebFileInfo(file_info, &web_file_info);
 514   web_file_info.platformPath = path;
 515   return true;
 516 }
 517
 518 bool RendererBlinkPlatformImpl::FileUtilities::SendSyncMessageFromAnyThread(
 519     IPC::SyncMessage* msg) const {
 520   base::TimeTicks begin = base::TimeTicks::Now();
 521   const bool success = thread_safe_sender_->Send(msg);
 522   base::TimeDelta delta = base::TimeTicks::Now() - begin;
 523   UMA_HISTOGRAM_TIMES("RendererSyncIPC.ElapsedTime", delta);
 524   return success;
 525 }
 526
 527 //------------------------------------------------------------------------------
 528
 529 #if defined(OS_MACOSX)
 530
 531 bool RendererBlinkPlatformImpl::SandboxSupport::loadFont(NSFont* src_font,
 532                                                          CGFontRef* out,
 533                                                          uint32* font_id) {
 534   uint32 font_data_size;
 535   FontDescriptor src_font_descriptor(src_font);
 536   base::SharedMemoryHandle font_data;
 537   if (!RenderThread::Get()->Send(new ViewHostMsg_LoadFont(
 538         src_font_descriptor, &font_data_size, &font_data, font_id))) {
 539     *out = NULL;
 540     *font_id = 0;
 541     return false;
 542   }
 543
 544   if (font_data_size == 0 || font_data == base::SharedMemory::NULLHandle() ||
 545       *font_id == 0) {
 546     LOG(ERROR) << "Bad response from ViewHostMsg_LoadFont() for " <<
 547         src_font_descriptor.font_name;
 548     *out = NULL;
 549     *font_id = 0;
 550     return false;
 551   }
 552
 553   // TODO(jeremy): Need to call back into WebKit to make sure that the font
 554   // isn't already activated, based on the font id.  If it's already
 555   // activated, don't reactivate it here - crbug.com/72727 .
 556
 557   return FontLoader::CGFontRefFromBuffer(font_data, font_data_size, out);
 558 }
 559
 560 #elif defined(OS_POSIX) && !defined(OS_ANDROID)
 561
 562 void RendererBlinkPlatformImpl::SandboxSupport::getFallbackFontForCharacter(
 563     blink::WebUChar32 character,
 564     const char* preferred_locale,
 565     blink::WebFallbackFont* fallbackFont) {
 566   base::AutoLock lock(unicode_font_families_mutex_);
 567   const std::map<int32_t, blink::WebFallbackFont>::const_iterator iter =
 568       unicode_font_families_.find(character);
 569   if (iter != unicode_font_families_.end()) {
 570     fallbackFont->name = iter->second.name;
 571     fallbackFont->filename = iter->second.filename;
 572     fallbackFont->fontconfigInterfaceId = iter->second.fontconfigInterfaceId;
 573     fallbackFont->ttcIndex = iter->second.ttcIndex;
 574     fallbackFont->isBold = iter->second.isBold;
 575     fallbackFont->isItalic = iter->second.isItalic;
 576     return;
 577   }
 578
 579   GetFallbackFontForCharacter(character, preferred_locale, fallbackFont);
 580   unicode_font_families_.insert(std::make_pair(character, *fallbackFont));
 581 }
 582
 583 void RendererBlinkPlatformImpl::SandboxSupport::getRenderStyleForStrike(
 584     const char* family,
 585     int sizeAndStyle,
 586     blink::WebFontRenderStyle* out) {
 587   GetRenderStyleForStrike(family, sizeAndStyle, out);
 588 }
 589
 590 #endif
 591
 592 //------------------------------------------------------------------------------
 593
 594 Platform::FileHandle RendererBlinkPlatformImpl::databaseOpenFile(
 595     const WebString& vfs_file_name,
 596     int desired_flags) {
 597   return DatabaseUtil::DatabaseOpenFile(
 598       vfs_file_name, desired_flags, sync_message_filter_.get());
 599 }
 600
 601 int RendererBlinkPlatformImpl::databaseDeleteFile(
 602     const WebString& vfs_file_name,
 603     bool sync_dir) {
 604   return DatabaseUtil::DatabaseDeleteFile(
 605       vfs_file_name, sync_dir, sync_message_filter_.get());
 606 }
 607
 608 long RendererBlinkPlatformImpl::databaseGetFileAttributes(
 609     const WebString& vfs_file_name) {
 610   return DatabaseUtil::DatabaseGetFileAttributes(vfs_file_name,
 611                                                  sync_message_filter_.get());
 612 }
 613
 614 long long RendererBlinkPlatformImpl::databaseGetFileSize(
 615     const WebString& vfs_file_name) {
 616   return DatabaseUtil::DatabaseGetFileSize(vfs_file_name,
 617                                            sync_message_filter_.get());
 618 }
 619
 620 long long RendererBlinkPlatformImpl::databaseGetSpaceAvailableForOrigin(
 621     const WebString& origin_identifier) {
 622   return DatabaseUtil::DatabaseGetSpaceAvailable(origin_identifier,
 623                                                  sync_message_filter_.get());
 624 }
 625
 626 bool RendererBlinkPlatformImpl::databaseSetFileSize(
 627     const WebString& vfs_file_name, long long size) {
 628   return DatabaseUtil::DatabaseSetFileSize(
 629       vfs_file_name, size, sync_message_filter_.get());
 630 }
 631
 632 bool RendererBlinkPlatformImpl::canAccelerate2dCanvas() {
 633 #if defined(OS_ANDROID)
 634   SynchronousCompositorFactory* factory =
 635       SynchronousCompositorFactory::GetInstance();
 636   if (factory && factory->OverrideWithFactory()) {
 637     return factory->GetGPUInfo().SupportsAccelerated2dCanvas();
 638   }
 639 #endif
 640
 641   RenderThreadImpl* thread = RenderThreadImpl::current();
 642   GpuChannelHost* host = thread->EstablishGpuChannelSync(
 643       CAUSE_FOR_GPU_LAUNCH_CANVAS_2D);
 644   if (!host)
 645     return false;
 646
 647   return host->gpu_info().SupportsAccelerated2dCanvas();
 648 }
 649
 650 bool RendererBlinkPlatformImpl::isThreadedCompositingEnabled() {
 651   RenderThreadImpl* thread = RenderThreadImpl::current();
 652   // thread can be NULL in tests.
 653   return thread && thread->compositor_task_runner().get();
 654 }
 655
 656 double RendererBlinkPlatformImpl::audioHardwareSampleRate() {
 657   RenderThreadImpl* thread = RenderThreadImpl::current();
 658   return thread->GetAudioHardwareConfig()->GetOutputSampleRate();
 659 }
 660
 661 size_t RendererBlinkPlatformImpl::audioHardwareBufferSize() {
 662   RenderThreadImpl* thread = RenderThreadImpl::current();
 663   return thread->GetAudioHardwareConfig()->GetOutputBufferSize();
 664 }
 665
 666 unsigned RendererBlinkPlatformImpl::audioHardwareOutputChannels() {
 667   RenderThreadImpl* thread = RenderThreadImpl::current();
 668   return thread->GetAudioHardwareConfig()->GetOutputChannels();
 669 }
 670
 671 WebDatabaseObserver* RendererBlinkPlatformImpl::databaseObserver() {
 672   return web_database_observer_impl_.get();
 673 }
 674
 675 WebAudioDevice* RendererBlinkPlatformImpl::createAudioDevice(
 676     size_t buffer_size,
 677     unsigned input_channels,
 678     unsigned channels,
 679     double sample_rate,
 680     WebAudioDevice::RenderCallback* callback,
 681     const blink::WebString& input_device_id) {
 682   // Use a mock for testing.
 683   blink::WebAudioDevice* mock_device =
 684       GetContentClient()->renderer()->OverrideCreateAudioDevice(sample_rate);
 685   if (mock_device)
 686     return mock_device;
 687
 688   // The |channels| does not exactly identify the channel layout of the
 689   // device. The switch statement below assigns a best guess to the channel
 690   // layout based on number of channels.
 691   media::ChannelLayout layout = media::CHANNEL_LAYOUT_UNSUPPORTED;
 692   switch (channels) {
 693     case 1:
 694       layout = media::CHANNEL_LAYOUT_MONO;
 695       break;
 696     case 2:
 697       layout = media::CHANNEL_LAYOUT_STEREO;
 698       break;
 699     case 3:
 700       layout = media::CHANNEL_LAYOUT_2_1;
 701       break;
 702     case 4:
 703       layout = media::CHANNEL_LAYOUT_4_0;
 704       break;
 705     case 5:
 706       layout = media::CHANNEL_LAYOUT_5_0;
 707       break;
 708     case 6:
 709       layout = media::CHANNEL_LAYOUT_5_1;
 710       break;
 711     case 7:
 712       layout = media::CHANNEL_LAYOUT_7_0;
 713       break;
 714     case 8:
 715       layout = media::CHANNEL_LAYOUT_7_1;
 716       break;
 717     default:
 718       // If the layout is not supported (more than 9 channels), falls back to
 719       // discrete mode.
 720       layout = media::CHANNEL_LAYOUT_DISCRETE;
 721   }
 722
 723   int session_id = 0;
 724   if (input_device_id.isNull() ||
 725       !base::StringToInt(base::UTF16ToUTF8(
 726           base::StringPiece16(input_device_id)), &session_id)) {
 727     if (input_channels > 0)
 728       DLOG(WARNING) << "createAudioDevice(): request for audio input ignored";
 729
 730     input_channels = 0;
 731   }
 732
 733   // For CHANNEL_LAYOUT_DISCRETE, pass the explicit channel count along with
 734   // the channel layout when creating an |AudioParameters| object.
 735   media::AudioParameters params(
 736       media::AudioParameters::AUDIO_PCM_LOW_LATENCY,
 737       layout, channels, static_cast<int>(sample_rate), 16, buffer_size,
 738       media::AudioParameters::NO_EFFECTS);
 739
 740   return new RendererWebAudioDeviceImpl(params, callback, session_id);
 741 }
 742
 743 #if defined(OS_ANDROID)
 744 bool RendererBlinkPlatformImpl::loadAudioResource(
 745     blink::WebAudioBus* destination_bus,
 746     const char* audio_file_data,
 747     size_t data_size) {
 748   return DecodeAudioFileData(destination_bus,
 749                              audio_file_data,
 750                              data_size,
 751                              thread_safe_sender_);
 752 }
 753 #else
 754 bool RendererBlinkPlatformImpl::loadAudioResource(
 755     blink::WebAudioBus* destination_bus,
 756     const char* audio_file_data,
 757     size_t data_size) {
 758   return DecodeAudioFileData(
 759       destination_bus, audio_file_data, data_size);
 760 }
 761 #endif  // defined(OS_ANDROID)
 762
 763 //------------------------------------------------------------------------------
 764
 765 blink::WebMIDIAccessor* RendererBlinkPlatformImpl::createMIDIAccessor(
 766     blink::WebMIDIAccessorClient* client) {
 767   blink::WebMIDIAccessor* accessor =
 768       GetContentClient()->renderer()->OverrideCreateMIDIAccessor(client);
 769   if (accessor)
 770     return accessor;
 771
 772   return new RendererWebMIDIAccessorImpl(client);
 773 }
 774
 775 void RendererBlinkPlatformImpl::getPluginList(
 776     bool refresh,
 777     blink::WebPluginListBuilder* builder) {
 778 #if defined(ENABLE_PLUGINS)
 779   std::vector<WebPluginInfo> plugins;
 780   if (!plugin_refresh_allowed_)
 781     refresh = false;
 782   RenderThread::Get()->Send(
 783       new ViewHostMsg_GetPlugins(refresh, &plugins));
 784   for (size_t i = 0; i < plugins.size(); ++i) {
 785     const WebPluginInfo& plugin = plugins[i];
 786
 787     builder->addPlugin(
 788         plugin.name, plugin.desc,
 789         plugin.path.BaseName().AsUTF16Unsafe());
 790
 791     for (size_t j = 0; j < plugin.mime_types.size(); ++j) {
 792       const WebPluginMimeType& mime_type = plugin.mime_types[j];
 793
 794       builder->addMediaTypeToLastPlugin(
 795           WebString::fromUTF8(mime_type.mime_type), mime_type.description);
 796
 797       for (size_t k = 0; k < mime_type.file_extensions.size(); ++k) {
 798         builder->addFileExtensionToLastMediaType(
 799             WebString::fromUTF8(mime_type.file_extensions[k]));
 800       }
 801     }
 802   }
 803 #endif
 804 }
 805
 806 //------------------------------------------------------------------------------
 807
 808 blink::WebPublicSuffixList* RendererBlinkPlatformImpl::publicSuffixList() {
 809   return &public_suffix_list_;
 810 }
 811
 812 //------------------------------------------------------------------------------
 813
 814 blink::WebString RendererBlinkPlatformImpl::signedPublicKeyAndChallengeString(
 815     unsigned key_size_index,
 816     const blink::WebString& challenge,
 817     const blink::WebURL& url) {
 818   std::string signed_public_key;
 819   RenderThread::Get()->Send(new ViewHostMsg_Keygen(
 820       static_cast<uint32>(key_size_index),
 821       challenge.utf8(),
 822       GURL(url),
 823       &signed_public_key));
 824   return WebString::fromUTF8(signed_public_key);
 825 }
 826
 827 //------------------------------------------------------------------------------
 828
 829 void RendererBlinkPlatformImpl::screenColorProfile(
 830     WebVector<char>* to_profile) {
 831 #if defined(OS_WIN)
 832   // On Windows screen color profile is only available in the browser.
 833   std::vector<char> profile;
 834   // This Send() can be called from any impl-side thread. Use a thread
 835   // safe send to avoid crashing trying to access RenderThread::Get(),
 836   // which is not accessible from arbitrary threads.
 837   thread_safe_sender_->Send(
 838       new ViewHostMsg_GetMonitorColorProfile(&profile));
 839   *to_profile = profile;
 840 #else
 841   // On other platforms, the primary monitor color profile can be read
 842   // directly.
 843   gfx::ColorProfile profile;
 844   *to_profile = profile.profile();
 845 #endif
 846 }
 847
 848 //------------------------------------------------------------------------------
 849
 850 blink::WebScrollbarBehavior* RendererBlinkPlatformImpl::scrollbarBehavior() {
 851   return web_scrollbar_behavior_.get();
 852 }
 853
 854 //------------------------------------------------------------------------------
 855
 856 WebBlobRegistry* RendererBlinkPlatformImpl::blobRegistry() {
 857   // blob_registry_ can be NULL when running some tests.
 858   return blob_registry_.get();
 859 }
 860
 861 //------------------------------------------------------------------------------
 862
 863 void RendererBlinkPlatformImpl::sampleGamepads(WebGamepads& gamepads) {
 864   PlatformEventObserverBase* observer =
 865       platform_event_observers_.Lookup(blink::WebPlatformEventGamepad);
 866   if (!observer)
 867     return;
 868   static_cast<RendererGamepadProvider*>(observer)->SampleGamepads(gamepads);
 869 }
 870
 871 //------------------------------------------------------------------------------
 872
 873 WebRTCPeerConnectionHandler*
 874 RendererBlinkPlatformImpl::createRTCPeerConnectionHandler(
 875     WebRTCPeerConnectionHandlerClient* client) {
 876   RenderThreadImpl* render_thread = RenderThreadImpl::current();
 877   DCHECK(render_thread);
 878   if (!render_thread)
 879     return NULL;
 880
 881 #if defined(ENABLE_WEBRTC)
 882   WebRTCPeerConnectionHandler* peer_connection_handler =
 883       GetContentClient()->renderer()->OverrideCreateWebRTCPeerConnectionHandler(
 884           client);
 885   if (peer_connection_handler)
 886     return peer_connection_handler;
 887
 888   PeerConnectionDependencyFactory* rtc_dependency_factory =
 889       render_thread->GetPeerConnectionDependencyFactory();
 890   return rtc_dependency_factory->CreateRTCPeerConnectionHandler(client);
 891 #else
 892   return NULL;
 893 #endif  // defined(ENABLE_WEBRTC)
 894 }
 895
 896 //------------------------------------------------------------------------------
 897
 898 WebMediaStreamCenter* RendererBlinkPlatformImpl::createMediaStreamCenter(
 899     WebMediaStreamCenterClient* client) {
 900   RenderThreadImpl* render_thread = RenderThreadImpl::current();
 901   DCHECK(render_thread);
 902   if (!render_thread)
 903     return NULL;
 904   return render_thread->CreateMediaStreamCenter(client);
 905 }
 906
 907 // static
 908 bool RendererBlinkPlatformImpl::SetSandboxEnabledForTesting(bool enable) {
 909   bool was_enabled = g_sandbox_enabled;
 910   g_sandbox_enabled = enable;
 911   return was_enabled;
 912 }
 913
 914 //------------------------------------------------------------------------------
 915
 916 blink::WebSpeechSynthesizer* RendererBlinkPlatformImpl::createSpeechSynthesizer(
 917     blink::WebSpeechSynthesizerClient* client) {
 918   return GetContentClient()->renderer()->OverrideSpeechSynthesizer(client);
 919 }
 920
 921 //------------------------------------------------------------------------------
 922
 923 bool RendererBlinkPlatformImpl::processMemorySizesInBytes(
 924     size_t* private_bytes,
 925     size_t* shared_bytes) {
 926   content::RenderThread::Get()->Send(
 927       new ViewHostMsg_GetProcessMemorySizes(private_bytes, shared_bytes));
 928   return true;
 929 }
 930
 931 //------------------------------------------------------------------------------
 932
 933 blink::WebGraphicsContext3D*
 934 RendererBlinkPlatformImpl::createOffscreenGraphicsContext3D(
 935     const blink::WebGraphicsContext3D::Attributes& attributes) {
 936   return createOffscreenGraphicsContext3D(attributes, NULL);
 937 }
 938
 939 blink::WebGraphicsContext3D*
 940 RendererBlinkPlatformImpl::createOffscreenGraphicsContext3D(
 941     const blink::WebGraphicsContext3D::Attributes& attributes,
 942     blink::WebGraphicsContext3D* share_context) {
 943   return createOffscreenGraphicsContext3D(attributes, share_context, NULL);
 944 }
 945
 946 blink::WebGraphicsContext3D*
 947 RendererBlinkPlatformImpl::createOffscreenGraphicsContext3D(
 948     const blink::WebGraphicsContext3D::Attributes& attributes,
 949     blink::WebGraphicsContext3D* share_context,
 950     blink::WebGLInfo* gl_info) {
 951   if (!RenderThreadImpl::current())
 952     return NULL;
 953
 954 #if defined(OS_ANDROID)
 955   SynchronousCompositorFactory* factory =
 956       SynchronousCompositorFactory::GetInstance();
 957   if (factory && factory->OverrideWithFactory()) {
 958     scoped_ptr<gpu_blink::WebGraphicsContext3DInProcessCommandBufferImpl>
 959         in_process_context(
 960             factory->CreateOffscreenGraphicsContext3D(attributes));
 961     if (!in_process_context || !in_process_context->InitializeOnCurrentThread())
 962       return NULL;
 963     return in_process_context.release();
 964   }
 965 #endif
 966
 967   scoped_refptr<GpuChannelHost> gpu_channel_host(
 968       RenderThreadImpl::current()->EstablishGpuChannelSync(
 969           CAUSE_FOR_GPU_LAUNCH_WEBGRAPHICSCONTEXT3DCOMMANDBUFFERIMPL_INITIALIZE));
 970
 971   if (gpu_channel_host.get() && gl_info) {
 972     const gpu::GPUInfo& gpu_info = gpu_channel_host->gpu_info();
 973     switch (gpu_info.context_info_state) {
 974       case gpu::kCollectInfoSuccess:
 975       case gpu::kCollectInfoNonFatalFailure:
 976         gl_info->vendorInfo.assign(
 977             blink::WebString::fromUTF8(gpu_info.gl_vendor));
 978         gl_info->rendererInfo.assign(
 979             blink::WebString::fromUTF8(gpu_info.gl_renderer));
 980         gl_info->driverVersion.assign(
 981             blink::WebString::fromUTF8(gpu_info.driver_version));
 982         gl_info->vendorId = gpu_info.gpu.vendor_id;
 983         gl_info->deviceId = gpu_info.gpu.device_id;
 984         break;
 985       case gpu::kCollectInfoFatalFailure:
 986       case gpu::kCollectInfoNone:
 987         gl_info->contextInfoCollectionFailure.assign(blink::WebString::fromUTF8(
 988             "GPUInfoCollectionFailure: GPU initialization Failed. GPU "
 989             "Info not Collected."));
 990         break;
 991       default:
 992         NOTREACHED();
 993     };
 994   }
 995
 996   WebGraphicsContext3DCommandBufferImpl::SharedMemoryLimits limits;
 997   bool lose_context_when_out_of_memory = false;
 998   scoped_ptr<WebGraphicsContext3DCommandBufferImpl> context(
 999       WebGraphicsContext3DCommandBufferImpl::CreateOffscreenContext(
1000           gpu_channel_host.get(),
1001           attributes,
1002           lose_context_when_out_of_memory,
1003           GURL(attributes.topDocumentURL),
1004           limits,
1005           static_cast<WebGraphicsContext3DCommandBufferImpl*>(share_context)));
1006
1007   // Most likely the GPU process exited and the attempt to reconnect to it
1008   // failed. Need to try to restore the context again later.
1009   if (!context || !context->InitializeOnCurrentThread())
1010       return NULL;
1011   return context.release();
1012 }
1013
1014 //------------------------------------------------------------------------------
1015
1016 blink::WebGraphicsContext3DProvider*
1017 RendererBlinkPlatformImpl::createSharedOffscreenGraphicsContext3DProvider() {
1018   scoped_refptr<cc_blink::ContextProviderWebContext> provider =
1019       RenderThreadImpl::current()->SharedMainThreadContextProvider();
1020   if (!provider.get())
1021     return NULL;
1022   return new WebGraphicsContext3DProviderImpl(provider);
1023 }
1024
1025 //------------------------------------------------------------------------------
1026
1027 blink::WebCompositorSupport* RendererBlinkPlatformImpl::compositorSupport() {
1028   return &compositor_support_;
1029 }
1030
1031 //------------------------------------------------------------------------------
1032
1033 blink::WebString RendererBlinkPlatformImpl::convertIDNToUnicode(
1034     const blink::WebString& host,
1035     const blink::WebString& languages) {
1036   return net::IDNToUnicode(host.utf8(), languages.utf8());
1037 }
1038
1039 //------------------------------------------------------------------------------
1040
1041 void RendererBlinkPlatformImpl::recordRappor(const char* metric,
1042                                              const blink::WebString& sample) {
1043   GetContentClient()->renderer()->RecordRappor(metric, sample.utf8());
1044 }
1045
1046 void RendererBlinkPlatformImpl::recordRapporURL(const char* metric,
1047                                                 const blink::WebURL& url) {
1048   GetContentClient()->renderer()->RecordRapporURL(metric, url);
1049 }
1050
1051 //------------------------------------------------------------------------------
1052
1053 // static
1054 void RendererBlinkPlatformImpl::SetMockDeviceLightDataForTesting(double data) {
1055   g_test_device_light_data = data;
1056 }
1057
1058 //------------------------------------------------------------------------------
1059
1060 // static
1061 void RendererBlinkPlatformImpl::SetMockDeviceMotionDataForTesting(
1062     const blink::WebDeviceMotionData& data) {
1063   g_test_device_motion_data.Get() = data;
1064 }
1065
1066 //------------------------------------------------------------------------------
1067
1068 // static
1069 void RendererBlinkPlatformImpl::SetMockDeviceOrientationDataForTesting(
1070     const blink::WebDeviceOrientationData& data) {
1071   g_test_device_orientation_data.Get() = data;
1072 }
1073
1074 //------------------------------------------------------------------------------
1075
1076 void RendererBlinkPlatformImpl::vibrate(unsigned int milliseconds) {
1077   GetConnectedVibrationManagerService()->Vibrate(
1078       base::checked_cast<int64>(milliseconds));
1079   vibration_manager_.reset();
1080 }
1081
1082 void RendererBlinkPlatformImpl::cancelVibration() {
1083   GetConnectedVibrationManagerService()->Cancel();
1084   vibration_manager_.reset();
1085 }
1086
1087 device::VibrationManagerPtr&
1088 RendererBlinkPlatformImpl::GetConnectedVibrationManagerService() {
1089   if (!vibration_manager_) {
1090     RenderThread::Get()->GetServiceRegistry()->ConnectToRemoteService(
1091         mojo::GetProxy(&vibration_manager_));
1092   }
1093   return vibration_manager_;
1094 }
1095
1096 //------------------------------------------------------------------------------
1097
1098 // static
1099 PlatformEventObserverBase*
1100 RendererBlinkPlatformImpl::CreatePlatformEventObserverFromType(
1101     blink::WebPlatformEventType type) {
1102   RenderThread* thread = RenderThreadImpl::current();
1103
1104   // When running layout tests, those observers should not listen to the actual
1105   // hardware changes. In order to make that happen, they will receive a null
1106   // thread.
1107   if (thread && RenderThreadImpl::current()->layout_test_mode())
1108     thread = NULL;
1109
1110   switch (type) {
1111     case blink::WebPlatformEventDeviceMotion:
1112       return new DeviceMotionEventPump(thread);
1113     case blink::WebPlatformEventDeviceOrientation:
1114       return new DeviceOrientationEventPump(thread);
1115     case blink::WebPlatformEventDeviceLight:
1116       return new DeviceLightEventPump(thread);
1117     case blink::WebPlatformEventGamepad:
1118       return new GamepadSharedMemoryReader(thread);
1119     case blink::WebPlatformEventScreenOrientation:
1120       return new ScreenOrientationObserver();
1121     default:
1122       // A default statement is required to prevent compilation errors when
1123       // Blink adds a new type.
1124       DVLOG(1) << "RendererBlinkPlatformImpl::startListening() with "
1125                   "unknown type.";
1126   }
1127
1128   return NULL;
1129 }
1130
1131 void RendererBlinkPlatformImpl::SetPlatformEventObserverForTesting(
1132     blink::WebPlatformEventType type,
1133     scoped_ptr<PlatformEventObserverBase> observer) {
1134   DCHECK(type != blink::WebPlatformEventBattery);
1135
1136   if (platform_event_observers_.Lookup(type))
1137     platform_event_observers_.Remove(type);
1138   platform_event_observers_.AddWithID(observer.release(), type);
1139 }
1140
1141 void RendererBlinkPlatformImpl::startListening(
1142     blink::WebPlatformEventType type,
1143     blink::WebPlatformEventListener* listener) {
1144   if (type == blink::WebPlatformEventBattery) {
1145     if (RenderThreadImpl::current() &&
1146         RenderThreadImpl::current()->layout_test_mode()) {
1147       g_test_battery_status_listener =
1148           static_cast<blink::WebBatteryStatusListener*>(listener);
1149     } else {
1150       battery_status_dispatcher_.reset(new BatteryStatusDispatcher(
1151           static_cast<blink::WebBatteryStatusListener*>(listener)));
1152     }
1153     return;
1154   }
1155
1156   PlatformEventObserverBase* observer = platform_event_observers_.Lookup(type);
1157   if (!observer) {
1158     observer = CreatePlatformEventObserverFromType(type);
1159     if (!observer)
1160       return;
1161     platform_event_observers_.AddWithID(observer, static_cast<int32>(type));
1162   }
1163   observer->Start(listener);
1164
1165   // Device events (motion, orientation and light) expect to get an event fired
1166   // as soon as a listener is registered if a fake data was passed before.
1167   // TODO(mlamouri,timvolodine): make those send mock values directly instead of
1168   // using this broken pattern.
1169   if (RenderThreadImpl::current() &&
1170       RenderThreadImpl::current()->layout_test_mode() &&
1171       (type == blink::WebPlatformEventDeviceMotion ||
1172        type == blink::WebPlatformEventDeviceOrientation ||
1173        type == blink::WebPlatformEventDeviceLight)) {
1174     SendFakeDeviceEventDataForTesting(type);
1175   }
1176 }
1177
1178 void RendererBlinkPlatformImpl::SendFakeDeviceEventDataForTesting(
1179     blink::WebPlatformEventType type) {
1180   PlatformEventObserverBase* observer = platform_event_observers_.Lookup(type);
1181   CHECK(observer);
1182
1183   void* data = 0;
1184
1185   switch (type) {
1186   case blink::WebPlatformEventDeviceMotion:
1187     if (!(g_test_device_motion_data == 0))
1188       data = &g_test_device_motion_data.Get();
1189     break;
1190   case blink::WebPlatformEventDeviceOrientation:
1191     if (!(g_test_device_orientation_data == 0))
1192       data = &g_test_device_orientation_data.Get();
1193     break;
1194   case blink::WebPlatformEventDeviceLight:
1195     if (g_test_device_light_data >= 0)
1196       data = &g_test_device_light_data;
1197     break;
1198   default:
1199     NOTREACHED();
1200     break;
1201   }
1202
1203   if (!data)
1204     return;
1205
1206   base::ThreadTaskRunnerHandle::Get()->PostTask(
1207       FROM_HERE, base::Bind(&PlatformEventObserverBase::SendFakeDataForTesting,
1208                             base::Unretained(observer), data));
1209 }
1210
1211 void RendererBlinkPlatformImpl::stopListening(
1212     blink::WebPlatformEventType type) {
1213   if (type == blink::WebPlatformEventBattery) {
1214     g_test_battery_status_listener = nullptr;
1215     battery_status_dispatcher_.reset();
1216     return;
1217   }
1218
1219   PlatformEventObserverBase* observer = platform_event_observers_.Lookup(type);
1220   if (!observer)
1221     return;
1222   observer->Stop();
1223 }
1224
1225 //------------------------------------------------------------------------------
1226
1227 void RendererBlinkPlatformImpl::queryStorageUsageAndQuota(
1228     const blink::WebURL& storage_partition,
1229     blink::WebStorageQuotaType type,
1230     blink::WebStorageQuotaCallbacks callbacks) {
1231   if (!thread_safe_sender_.get() || !quota_message_filter_.get())
1232     return;
1233   QuotaDispatcher::ThreadSpecificInstance(thread_safe_sender_.get(),
1234                                           quota_message_filter_.get())
1235       ->QueryStorageUsageAndQuota(
1236           storage_partition,
1237           static_cast<storage::StorageType>(type),
1238           QuotaDispatcher::CreateWebStorageQuotaCallbacksWrapper(callbacks));
1239 }
1240
1241 //------------------------------------------------------------------------------
1242
1243 void RendererBlinkPlatformImpl::MockBatteryStatusChangedForTesting(
1244     const blink::WebBatteryStatus& status) {
1245   if (!g_test_battery_status_listener)
1246     return;
1247   g_test_battery_status_listener->updateBatteryStatus(status);
1248 }
1249
1250 }  // namespace content