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(key_system));
 430     std::vector<std::string> strict_codecs;
 431     media::ParseCodecString(ToASCIIOrEmpty(codecs), &strict_codecs, true);
 432
 433     if (!media::PrefixedIsSupportedKeySystemWithMediaMimeType(
 434             mime_type_ascii, strict_codecs, key_system_ascii)) {
 435       return IsNotSupported;
 436     }
 437
 438     // Continue processing the mime_type and codecs.
 439   }
 440
 441   // Check list of strict codecs to see if it is supported.
 442   if (media::IsStrictMediaMimeType(mime_type_ascii)) {
 443     // Check if the codecs are a perfect match.
 444     std::vector<std::string> strict_codecs;
 445     media::ParseCodecString(ToASCIIOrEmpty(codecs), &strict_codecs, false);
 446     return static_cast<WebMimeRegistry::SupportsType> (
 447         media::IsSupportedStrictMediaMimeType(mime_type_ascii, strict_codecs));
 448   }
 449
 450   // If we don't recognize the codec, it's possible we support it.
 451   std::vector<std::string> parsed_codecs;
 452   media::ParseCodecString(ToASCIIOrEmpty(codecs), &parsed_codecs, true);
 453   if (!media::AreSupportedMediaCodecs(parsed_codecs))
 454     return MayBeSupported;
 455
 456   // Otherwise we have a perfect match.
 457   return IsSupported;
 458 }
 459
 460 bool RendererBlinkPlatformImpl::MimeRegistry::supportsMediaSourceMIMEType(
 461     const blink::WebString& mime_type,
 462     const WebString& codecs) {
 463   const std::string mime_type_ascii = ToASCIIOrEmpty(mime_type);
 464   std::vector<std::string> parsed_codec_ids;
 465   media::ParseCodecString(ToASCIIOrEmpty(codecs), &parsed_codec_ids, false);
 466   if (mime_type_ascii.empty())
 467     return false;
 468   return media::StreamParserFactory::IsTypeSupported(
 469       mime_type_ascii, parsed_codec_ids);
 470 }
 471
 472 WebString RendererBlinkPlatformImpl::MimeRegistry::mimeTypeForExtension(
 473     const WebString& file_extension) {
 474   if (IsPluginProcess())
 475     return SimpleWebMimeRegistryImpl::mimeTypeForExtension(file_extension);
 476
 477   // The sandbox restricts our access to the registry, so we need to proxy
 478   // these calls over to the browser process.
 479   std::string mime_type;
 480   RenderThread::Get()->Send(
 481       new MimeRegistryMsg_GetMimeTypeFromExtension(
 482           base::FilePath::FromUTF16Unsafe(file_extension).value(), &mime_type));
 483   return base::ASCIIToUTF16(mime_type);
 484 }
 485
 486 WebString RendererBlinkPlatformImpl::MimeRegistry::mimeTypeFromFile(
 487     const WebString& file_path) {
 488   if (IsPluginProcess())
 489     return SimpleWebMimeRegistryImpl::mimeTypeFromFile(file_path);
 490
 491   // The sandbox restricts our access to the registry, so we need to proxy
 492   // these calls over to the browser process.
 493   std::string mime_type;
 494   RenderThread::Get()->Send(new MimeRegistryMsg_GetMimeTypeFromFile(
 495       base::FilePath::FromUTF16Unsafe(file_path),
 496       &mime_type));
 497   return base::ASCIIToUTF16(mime_type);
 498 }
 499
 500 //------------------------------------------------------------------------------
 501
 502 bool RendererBlinkPlatformImpl::FileUtilities::getFileInfo(
 503     const WebString& path,
 504     WebFileInfo& web_file_info) {
 505   base::File::Info file_info;
 506   base::File::Error status = base::File::FILE_ERROR_MAX;
 507   if (!SendSyncMessageFromAnyThread(new FileUtilitiesMsg_GetFileInfo(
 508            base::FilePath::FromUTF16Unsafe(path), &file_info, &status)) ||
 509       status != base::File::FILE_OK) {
 510     return false;
 511   }
 512   FileInfoToWebFileInfo(file_info, &web_file_info);
 513   web_file_info.platformPath = path;
 514   return true;
 515 }
 516
 517 bool RendererBlinkPlatformImpl::FileUtilities::SendSyncMessageFromAnyThread(
 518     IPC::SyncMessage* msg) const {
 519   base::TimeTicks begin = base::TimeTicks::Now();
 520   const bool success = thread_safe_sender_->Send(msg);
 521   base::TimeDelta delta = base::TimeTicks::Now() - begin;
 522   UMA_HISTOGRAM_TIMES("RendererSyncIPC.ElapsedTime", delta);
 523   return success;
 524 }
 525
 526 //------------------------------------------------------------------------------
 527
 528 #if defined(OS_MACOSX)
 529
 530 bool RendererBlinkPlatformImpl::SandboxSupport::loadFont(NSFont* src_font,
 531                                                          CGFontRef* out,
 532                                                          uint32* font_id) {
 533   uint32 font_data_size;
 534   FontDescriptor src_font_descriptor(src_font);
 535   base::SharedMemoryHandle font_data;
 536   if (!RenderThread::Get()->Send(new ViewHostMsg_LoadFont(
 537         src_font_descriptor, &font_data_size, &font_data, font_id))) {
 538     *out = NULL;
 539     *font_id = 0;
 540     return false;
 541   }
 542
 543   if (font_data_size == 0 || font_data == base::SharedMemory::NULLHandle() ||
 544       *font_id == 0) {
 545     LOG(ERROR) << "Bad response from ViewHostMsg_LoadFont() for " <<
 546         src_font_descriptor.font_name;
 547     *out = NULL;
 548     *font_id = 0;
 549     return false;
 550   }
 551
 552   // TODO(jeremy): Need to call back into WebKit to make sure that the font
 553   // isn't already activated, based on the font id.  If it's already
 554   // activated, don't reactivate it here - crbug.com/72727 .
 555
 556   return FontLoader::CGFontRefFromBuffer(font_data, font_data_size, out);
 557 }
 558
 559 #elif defined(OS_POSIX) && !defined(OS_ANDROID)
 560
 561 void RendererBlinkPlatformImpl::SandboxSupport::getFallbackFontForCharacter(
 562     blink::WebUChar32 character,
 563     const char* preferred_locale,
 564     blink::WebFallbackFont* fallbackFont) {
 565   base::AutoLock lock(unicode_font_families_mutex_);
 566   const std::map<int32_t, blink::WebFallbackFont>::const_iterator iter =
 567       unicode_font_families_.find(character);
 568   if (iter != unicode_font_families_.end()) {
 569     fallbackFont->name = iter->second.name;
 570     fallbackFont->filename = iter->second.filename;
 571     fallbackFont->fontconfigInterfaceId = iter->second.fontconfigInterfaceId;
 572     fallbackFont->ttcIndex = iter->second.ttcIndex;
 573     fallbackFont->isBold = iter->second.isBold;
 574     fallbackFont->isItalic = iter->second.isItalic;
 575     return;
 576   }
 577
 578   GetFallbackFontForCharacter(character, preferred_locale, fallbackFont);
 579   unicode_font_families_.insert(std::make_pair(character, *fallbackFont));
 580 }
 581
 582 void RendererBlinkPlatformImpl::SandboxSupport::getRenderStyleForStrike(
 583     const char* family,
 584     int sizeAndStyle,
 585     blink::WebFontRenderStyle* out) {
 586   GetRenderStyleForStrike(family, sizeAndStyle, out);
 587 }
 588
 589 #endif
 590
 591 //------------------------------------------------------------------------------
 592
 593 Platform::FileHandle RendererBlinkPlatformImpl::databaseOpenFile(
 594     const WebString& vfs_file_name,
 595     int desired_flags) {
 596   return DatabaseUtil::DatabaseOpenFile(
 597       vfs_file_name, desired_flags, sync_message_filter_.get());
 598 }
 599
 600 int RendererBlinkPlatformImpl::databaseDeleteFile(
 601     const WebString& vfs_file_name,
 602     bool sync_dir) {
 603   return DatabaseUtil::DatabaseDeleteFile(
 604       vfs_file_name, sync_dir, sync_message_filter_.get());
 605 }
 606
 607 long RendererBlinkPlatformImpl::databaseGetFileAttributes(
 608     const WebString& vfs_file_name) {
 609   return DatabaseUtil::DatabaseGetFileAttributes(vfs_file_name,
 610                                                  sync_message_filter_.get());
 611 }
 612
 613 long long RendererBlinkPlatformImpl::databaseGetFileSize(
 614     const WebString& vfs_file_name) {
 615   return DatabaseUtil::DatabaseGetFileSize(vfs_file_name,
 616                                            sync_message_filter_.get());
 617 }
 618
 619 long long RendererBlinkPlatformImpl::databaseGetSpaceAvailableForOrigin(
 620     const WebString& origin_identifier) {
 621   return DatabaseUtil::DatabaseGetSpaceAvailable(origin_identifier,
 622                                                  sync_message_filter_.get());
 623 }
 624
 625 bool RendererBlinkPlatformImpl::databaseSetFileSize(
 626     const WebString& vfs_file_name, long long size) {
 627   return DatabaseUtil::DatabaseSetFileSize(
 628       vfs_file_name, size, sync_message_filter_.get());
 629 }
 630
 631 bool RendererBlinkPlatformImpl::canAccelerate2dCanvas() {
 632   RenderThreadImpl* thread = RenderThreadImpl::current();
 633   GpuChannelHost* host = thread->EstablishGpuChannelSync(
 634       CAUSE_FOR_GPU_LAUNCH_CANVAS_2D);
 635   if (!host)
 636     return false;
 637
 638   return host->gpu_info().SupportsAccelerated2dCanvas();
 639 }
 640
 641 bool RendererBlinkPlatformImpl::isThreadedCompositingEnabled() {
 642   RenderThreadImpl* thread = RenderThreadImpl::current();
 643   // thread can be NULL in tests.
 644   return thread && thread->compositor_task_runner().get();
 645 }
 646
 647 double RendererBlinkPlatformImpl::audioHardwareSampleRate() {
 648   RenderThreadImpl* thread = RenderThreadImpl::current();
 649   return thread->GetAudioHardwareConfig()->GetOutputSampleRate();
 650 }
 651
 652 size_t RendererBlinkPlatformImpl::audioHardwareBufferSize() {
 653   RenderThreadImpl* thread = RenderThreadImpl::current();
 654   return thread->GetAudioHardwareConfig()->GetOutputBufferSize();
 655 }
 656
 657 unsigned RendererBlinkPlatformImpl::audioHardwareOutputChannels() {
 658   RenderThreadImpl* thread = RenderThreadImpl::current();
 659   return thread->GetAudioHardwareConfig()->GetOutputChannels();
 660 }
 661
 662 WebDatabaseObserver* RendererBlinkPlatformImpl::databaseObserver() {
 663   return web_database_observer_impl_.get();
 664 }
 665
 666 WebAudioDevice* RendererBlinkPlatformImpl::createAudioDevice(
 667     size_t buffer_size,
 668     unsigned input_channels,
 669     unsigned channels,
 670     double sample_rate,
 671     WebAudioDevice::RenderCallback* callback,
 672     const blink::WebString& input_device_id) {
 673   // Use a mock for testing.
 674   blink::WebAudioDevice* mock_device =
 675       GetContentClient()->renderer()->OverrideCreateAudioDevice(sample_rate);
 676   if (mock_device)
 677     return mock_device;
 678
 679   // The |channels| does not exactly identify the channel layout of the
 680   // device. The switch statement below assigns a best guess to the channel
 681   // layout based on number of channels.
 682   // TODO(crogers): WebKit should give the channel layout instead of the hard
 683   // channel count.
 684   media::ChannelLayout layout = media::CHANNEL_LAYOUT_UNSUPPORTED;
 685   switch (channels) {
 686     case 1:
 687       layout = media::CHANNEL_LAYOUT_MONO;
 688       break;
 689     case 2:
 690       layout = media::CHANNEL_LAYOUT_STEREO;
 691       break;
 692     case 3:
 693       layout = media::CHANNEL_LAYOUT_2_1;
 694       break;
 695     case 4:
 696       layout = media::CHANNEL_LAYOUT_4_0;
 697       break;
 698     case 5:
 699       layout = media::CHANNEL_LAYOUT_5_0;
 700       break;
 701     case 6:
 702       layout = media::CHANNEL_LAYOUT_5_1;
 703       break;
 704     case 7:
 705       layout = media::CHANNEL_LAYOUT_7_0;
 706       break;
 707     case 8:
 708       layout = media::CHANNEL_LAYOUT_7_1;
 709       break;
 710     default:
 711       layout = media::CHANNEL_LAYOUT_STEREO;
 712   }
 713
 714   int session_id = 0;
 715   if (input_device_id.isNull() ||
 716       !base::StringToInt(base::UTF16ToUTF8(input_device_id), &session_id)) {
 717     if (input_channels > 0)
 718       DLOG(WARNING) << "createAudioDevice(): request for audio input ignored";
 719
 720     input_channels = 0;
 721   }
 722
 723   media::AudioParameters params(
 724       media::AudioParameters::AUDIO_PCM_LOW_LATENCY,
 725       layout, static_cast<int>(sample_rate), 16, buffer_size,
 726       media::AudioParameters::NO_EFFECTS);
 727
 728   return new RendererWebAudioDeviceImpl(params, callback, session_id);
 729 }
 730
 731 #if defined(OS_ANDROID)
 732 bool RendererBlinkPlatformImpl::loadAudioResource(
 733     blink::WebAudioBus* destination_bus,
 734     const char* audio_file_data,
 735     size_t data_size) {
 736   return DecodeAudioFileData(destination_bus,
 737                              audio_file_data,
 738                              data_size,
 739                              thread_safe_sender_);
 740 }
 741 #else
 742 bool RendererBlinkPlatformImpl::loadAudioResource(
 743     blink::WebAudioBus* destination_bus,
 744     const char* audio_file_data,
 745     size_t data_size) {
 746   return DecodeAudioFileData(
 747       destination_bus, audio_file_data, data_size);
 748 }
 749 #endif  // defined(OS_ANDROID)
 750
 751 //------------------------------------------------------------------------------
 752
 753 blink::WebMIDIAccessor* RendererBlinkPlatformImpl::createMIDIAccessor(
 754     blink::WebMIDIAccessorClient* client) {
 755   blink::WebMIDIAccessor* accessor =
 756       GetContentClient()->renderer()->OverrideCreateMIDIAccessor(client);
 757   if (accessor)
 758     return accessor;
 759
 760   return new RendererWebMIDIAccessorImpl(client);
 761 }
 762
 763 void RendererBlinkPlatformImpl::getPluginList(
 764     bool refresh,
 765     blink::WebPluginListBuilder* builder) {
 766 #if defined(ENABLE_PLUGINS)
 767   std::vector<WebPluginInfo> plugins;
 768   if (!plugin_refresh_allowed_)
 769     refresh = false;
 770   RenderThread::Get()->Send(
 771       new ViewHostMsg_GetPlugins(refresh, &plugins));
 772   for (size_t i = 0; i < plugins.size(); ++i) {
 773     const WebPluginInfo& plugin = plugins[i];
 774
 775     builder->addPlugin(
 776         plugin.name, plugin.desc,
 777         plugin.path.BaseName().AsUTF16Unsafe());
 778
 779     for (size_t j = 0; j < plugin.mime_types.size(); ++j) {
 780       const WebPluginMimeType& mime_type = plugin.mime_types[j];
 781
 782       builder->addMediaTypeToLastPlugin(
 783           WebString::fromUTF8(mime_type.mime_type), mime_type.description);
 784
 785       for (size_t k = 0; k < mime_type.file_extensions.size(); ++k) {
 786         builder->addFileExtensionToLastMediaType(
 787             WebString::fromUTF8(mime_type.file_extensions[k]));
 788       }
 789     }
 790   }
 791 #endif
 792 }
 793
 794 //------------------------------------------------------------------------------
 795
 796 blink::WebPublicSuffixList* RendererBlinkPlatformImpl::publicSuffixList() {
 797   return &public_suffix_list_;
 798 }
 799
 800 //------------------------------------------------------------------------------
 801
 802 blink::WebString RendererBlinkPlatformImpl::signedPublicKeyAndChallengeString(
 803     unsigned key_size_index,
 804     const blink::WebString& challenge,
 805     const blink::WebURL& url) {
 806   std::string signed_public_key;
 807   RenderThread::Get()->Send(new ViewHostMsg_Keygen(
 808       static_cast<uint32>(key_size_index),
 809       challenge.utf8(),
 810       GURL(url),
 811       &signed_public_key));
 812   return WebString::fromUTF8(signed_public_key);
 813 }
 814
 815 //------------------------------------------------------------------------------
 816
 817 void RendererBlinkPlatformImpl::screenColorProfile(
 818     WebVector<char>* to_profile) {
 819 #if defined(OS_WIN)
 820   // On Windows screen color profile is only available in the browser.
 821   std::vector<char> profile;
 822   // This Send() can be called from any impl-side thread. Use a thread
 823   // safe send to avoid crashing trying to access RenderThread::Get(),
 824   // which is not accessible from arbitrary threads.
 825   thread_safe_sender_->Send(
 826       new ViewHostMsg_GetMonitorColorProfile(&profile));
 827   *to_profile = profile;
 828 #else
 829   // On other platforms, the primary monitor color profile can be read
 830   // directly.
 831   gfx::ColorProfile profile;
 832   *to_profile = profile.profile();
 833 #endif
 834 }
 835
 836 //------------------------------------------------------------------------------
 837
 838 blink::WebScrollbarBehavior* RendererBlinkPlatformImpl::scrollbarBehavior() {
 839   return web_scrollbar_behavior_.get();
 840 }
 841
 842 //------------------------------------------------------------------------------
 843
 844 WebBlobRegistry* RendererBlinkPlatformImpl::blobRegistry() {
 845   // blob_registry_ can be NULL when running some tests.
 846   return blob_registry_.get();
 847 }
 848
 849 //------------------------------------------------------------------------------
 850
 851 void RendererBlinkPlatformImpl::sampleGamepads(WebGamepads& gamepads) {
 852   PlatformEventObserverBase* observer =
 853       platform_event_observers_.Lookup(blink::WebPlatformEventGamepad);
 854   if (!observer)
 855     return;
 856   static_cast<RendererGamepadProvider*>(observer)->SampleGamepads(gamepads);
 857 }
 858
 859 //------------------------------------------------------------------------------
 860
 861 WebRTCPeerConnectionHandler*
 862 RendererBlinkPlatformImpl::createRTCPeerConnectionHandler(
 863     WebRTCPeerConnectionHandlerClient* client) {
 864   RenderThreadImpl* render_thread = RenderThreadImpl::current();
 865   DCHECK(render_thread);
 866   if (!render_thread)
 867     return NULL;
 868
 869 #if defined(ENABLE_WEBRTC)
 870   WebRTCPeerConnectionHandler* peer_connection_handler =
 871       GetContentClient()->renderer()->OverrideCreateWebRTCPeerConnectionHandler(
 872           client);
 873   if (peer_connection_handler)
 874     return peer_connection_handler;
 875
 876   PeerConnectionDependencyFactory* rtc_dependency_factory =
 877       render_thread->GetPeerConnectionDependencyFactory();
 878   return rtc_dependency_factory->CreateRTCPeerConnectionHandler(client);
 879 #else
 880   return NULL;
 881 #endif  // defined(ENABLE_WEBRTC)
 882 }
 883
 884 //------------------------------------------------------------------------------
 885
 886 WebMediaStreamCenter* RendererBlinkPlatformImpl::createMediaStreamCenter(
 887     WebMediaStreamCenterClient* client) {
 888   RenderThreadImpl* render_thread = RenderThreadImpl::current();
 889   DCHECK(render_thread);
 890   if (!render_thread)
 891     return NULL;
 892   return render_thread->CreateMediaStreamCenter(client);
 893 }
 894
 895 // static
 896 bool RendererBlinkPlatformImpl::SetSandboxEnabledForTesting(bool enable) {
 897   bool was_enabled = g_sandbox_enabled;
 898   g_sandbox_enabled = enable;
 899   return was_enabled;
 900 }
 901
 902 //------------------------------------------------------------------------------
 903
 904 blink::WebSpeechSynthesizer* RendererBlinkPlatformImpl::createSpeechSynthesizer(
 905     blink::WebSpeechSynthesizerClient* client) {
 906   return GetContentClient()->renderer()->OverrideSpeechSynthesizer(client);
 907 }
 908
 909 //------------------------------------------------------------------------------
 910
 911 bool RendererBlinkPlatformImpl::processMemorySizesInBytes(
 912     size_t* private_bytes,
 913     size_t* shared_bytes) {
 914   content::RenderThread::Get()->Send(
 915       new ViewHostMsg_GetProcessMemorySizes(private_bytes, shared_bytes));
 916   return true;
 917 }
 918
 919 //------------------------------------------------------------------------------
 920
 921 blink::WebGraphicsContext3D*
 922 RendererBlinkPlatformImpl::createOffscreenGraphicsContext3D(
 923     const blink::WebGraphicsContext3D::Attributes& attributes) {
 924   return createOffscreenGraphicsContext3D(attributes, NULL);
 925 }
 926
 927 blink::WebGraphicsContext3D*
 928 RendererBlinkPlatformImpl::createOffscreenGraphicsContext3D(
 929     const blink::WebGraphicsContext3D::Attributes& attributes,
 930     blink::WebGraphicsContext3D* share_context) {
 931   return createOffscreenGraphicsContext3D(attributes, share_context, NULL);
 932 }
 933
 934 blink::WebGraphicsContext3D*
 935 RendererBlinkPlatformImpl::createOffscreenGraphicsContext3D(
 936     const blink::WebGraphicsContext3D::Attributes& attributes,
 937     blink::WebGraphicsContext3D* share_context,
 938     blink::WebGLInfo* gl_info) {
 939   if (!RenderThreadImpl::current())
 940     return NULL;
 941
 942 #if defined(OS_ANDROID)
 943   if (SynchronousCompositorFactory* factory =
 944       SynchronousCompositorFactory::GetInstance()) {
 945     scoped_ptr<gpu_blink::WebGraphicsContext3DInProcessCommandBufferImpl>
 946         in_process_context(
 947             factory->CreateOffscreenGraphicsContext3D(attributes));
 948     if (!in_process_context ||
 949         !in_process_context->InitializeOnCurrentThread())
 950       return NULL;
 951     return in_process_context.release();
 952   }
 953 #endif
 954
 955   scoped_refptr<GpuChannelHost> gpu_channel_host(
 956       RenderThreadImpl::current()->EstablishGpuChannelSync(
 957           CAUSE_FOR_GPU_LAUNCH_WEBGRAPHICSCONTEXT3DCOMMANDBUFFERIMPL_INITIALIZE));
 958
 959   if (gpu_channel_host.get() && gl_info) {
 960     const gpu::GPUInfo& gpu_info = gpu_channel_host->gpu_info();
 961     switch (gpu_info.context_info_state) {
 962       case gpu::kCollectInfoSuccess:
 963       case gpu::kCollectInfoNonFatalFailure:
 964         gl_info->vendorInfo.assign(
 965             blink::WebString::fromUTF8(gpu_info.gl_vendor));
 966         gl_info->rendererInfo.assign(
 967             blink::WebString::fromUTF8(gpu_info.gl_renderer));
 968         gl_info->driverVersion.assign(
 969             blink::WebString::fromUTF8(gpu_info.driver_version));
 970         gl_info->vendorId = gpu_info.gpu.vendor_id;
 971         gl_info->deviceId = gpu_info.gpu.device_id;
 972         break;
 973       case gpu::kCollectInfoFatalFailure:
 974       case gpu::kCollectInfoNone:
 975         gl_info->contextInfoCollectionFailure.assign(blink::WebString::fromUTF8(
 976             "GPUInfoCollectionFailure: GPU initialization Failed. GPU "
 977             "Info not Collected."));
 978         break;
 979       default:
 980         NOTREACHED();
 981     };
 982   }
 983
 984   WebGraphicsContext3DCommandBufferImpl::SharedMemoryLimits limits;
 985   bool lose_context_when_out_of_memory = false;
 986   scoped_ptr<WebGraphicsContext3DCommandBufferImpl> context(
 987       WebGraphicsContext3DCommandBufferImpl::CreateOffscreenContext(
 988           gpu_channel_host.get(),
 989           attributes,
 990           lose_context_when_out_of_memory,
 991           GURL(attributes.topDocumentURL),
 992           limits,
 993           static_cast<WebGraphicsContext3DCommandBufferImpl*>(share_context)));
 994
 995   // Most likely the GPU process exited and the attempt to reconnect to it
 996   // failed. Need to try to restore the context again later.
 997   if (!context || !context->InitializeOnCurrentThread())
 998       return NULL;
 999   return context.release();
1000 }
1001
1002 //------------------------------------------------------------------------------
1003
1004 blink::WebGraphicsContext3DProvider*
1005 RendererBlinkPlatformImpl::createSharedOffscreenGraphicsContext3DProvider() {
1006   scoped_refptr<cc_blink::ContextProviderWebContext> provider =
1007       RenderThreadImpl::current()->SharedMainThreadContextProvider();
1008   if (!provider.get())
1009     return NULL;
1010   return new WebGraphicsContext3DProviderImpl(provider);
1011 }
1012
1013 //------------------------------------------------------------------------------
1014
1015 blink::WebCompositorSupport* RendererBlinkPlatformImpl::compositorSupport() {
1016   return &compositor_support_;
1017 }
1018
1019 //------------------------------------------------------------------------------
1020
1021 blink::WebString RendererBlinkPlatformImpl::convertIDNToUnicode(
1022     const blink::WebString& host,
1023     const blink::WebString& languages) {
1024   return net::IDNToUnicode(host.utf8(), languages.utf8());
1025 }
1026
1027 //------------------------------------------------------------------------------
1028
1029 void RendererBlinkPlatformImpl::recordRappor(const char* metric,
1030                                              const blink::WebString& sample) {
1031   GetContentClient()->renderer()->RecordRappor(metric, sample.utf8());
1032 }
1033
1034 void RendererBlinkPlatformImpl::recordRapporURL(const char* metric,
1035                                                 const blink::WebURL& url) {
1036   GetContentClient()->renderer()->RecordRapporURL(metric, url);
1037 }
1038
1039 //------------------------------------------------------------------------------
1040
1041 // static
1042 void RendererBlinkPlatformImpl::SetMockDeviceLightDataForTesting(double data) {
1043   g_test_device_light_data = data;
1044 }
1045
1046 //------------------------------------------------------------------------------
1047
1048 // static
1049 void RendererBlinkPlatformImpl::SetMockDeviceMotionDataForTesting(
1050     const blink::WebDeviceMotionData& data) {
1051   g_test_device_motion_data.Get() = data;
1052 }
1053
1054 //------------------------------------------------------------------------------
1055
1056 // static
1057 void RendererBlinkPlatformImpl::SetMockDeviceOrientationDataForTesting(
1058     const blink::WebDeviceOrientationData& data) {
1059   g_test_device_orientation_data.Get() = data;
1060 }
1061
1062 //------------------------------------------------------------------------------
1063
1064 void RendererBlinkPlatformImpl::vibrate(unsigned int milliseconds) {
1065   GetConnectedVibrationManagerService()->Vibrate(
1066       base::checked_cast<int64>(milliseconds));
1067   vibration_manager_.reset();
1068 }
1069
1070 void RendererBlinkPlatformImpl::cancelVibration() {
1071   GetConnectedVibrationManagerService()->Cancel();
1072   vibration_manager_.reset();
1073 }
1074
1075 device::VibrationManagerPtr&
1076 RendererBlinkPlatformImpl::GetConnectedVibrationManagerService() {
1077   if (!vibration_manager_) {
1078     RenderThread::Get()->GetServiceRegistry()->ConnectToRemoteService(
1079         mojo::GetProxy(&vibration_manager_));
1080   }
1081   return vibration_manager_;
1082 }
1083
1084 //------------------------------------------------------------------------------
1085
1086 // static
1087 PlatformEventObserverBase*
1088 RendererBlinkPlatformImpl::CreatePlatformEventObserverFromType(
1089     blink::WebPlatformEventType type) {
1090   RenderThread* thread = RenderThreadImpl::current();
1091
1092   // When running layout tests, those observers should not listen to the actual
1093   // hardware changes. In order to make that happen, they will receive a null
1094   // thread.
1095   if (thread && RenderThreadImpl::current()->layout_test_mode())
1096     thread = NULL;
1097
1098   switch (type) {
1099     case blink::WebPlatformEventDeviceMotion:
1100       return new DeviceMotionEventPump(thread);
1101     case blink::WebPlatformEventDeviceOrientation:
1102       return new DeviceOrientationEventPump(thread);
1103     case blink::WebPlatformEventDeviceLight:
1104       return new DeviceLightEventPump(thread);
1105     case blink::WebPlatformEventGamepad:
1106       return new GamepadSharedMemoryReader(thread);
1107     case blink::WebPlatformEventScreenOrientation:
1108       return new ScreenOrientationObserver();
1109     default:
1110       // A default statement is required to prevent compilation errors when
1111       // Blink adds a new type.
1112       DVLOG(1) << "RendererBlinkPlatformImpl::startListening() with "
1113                   "unknown type.";
1114   }
1115
1116   return NULL;
1117 }
1118
1119 void RendererBlinkPlatformImpl::SetPlatformEventObserverForTesting(
1120     blink::WebPlatformEventType type,
1121     scoped_ptr<PlatformEventObserverBase> observer) {
1122   DCHECK(type != blink::WebPlatformEventBattery);
1123
1124   if (platform_event_observers_.Lookup(type))
1125     platform_event_observers_.Remove(type);
1126   platform_event_observers_.AddWithID(observer.release(), type);
1127 }
1128
1129 void RendererBlinkPlatformImpl::startListening(
1130     blink::WebPlatformEventType type,
1131     blink::WebPlatformEventListener* listener) {
1132   if (type == blink::WebPlatformEventBattery) {
1133     if (RenderThreadImpl::current() &&
1134         RenderThreadImpl::current()->layout_test_mode()) {
1135       g_test_battery_status_listener =
1136           static_cast<blink::WebBatteryStatusListener*>(listener);
1137     } else {
1138       battery_status_dispatcher_.reset(new BatteryStatusDispatcher(
1139           static_cast<blink::WebBatteryStatusListener*>(listener)));
1140     }
1141     return;
1142   }
1143
1144   PlatformEventObserverBase* observer = platform_event_observers_.Lookup(type);
1145   if (!observer) {
1146     observer = CreatePlatformEventObserverFromType(type);
1147     if (!observer)
1148       return;
1149     platform_event_observers_.AddWithID(observer, static_cast<int32>(type));
1150   }
1151   observer->Start(listener);
1152
1153   // Device events (motion, orientation and light) expect to get an event fired
1154   // as soon as a listener is registered if a fake data was passed before.
1155   // TODO(mlamouri,timvolodine): make those send mock values directly instead of
1156   // using this broken pattern.
1157   if (RenderThreadImpl::current() &&
1158       RenderThreadImpl::current()->layout_test_mode() &&
1159       (type == blink::WebPlatformEventDeviceMotion ||
1160        type == blink::WebPlatformEventDeviceOrientation ||
1161        type == blink::WebPlatformEventDeviceLight)) {
1162     SendFakeDeviceEventDataForTesting(type);
1163   }
1164 }
1165
1166 void RendererBlinkPlatformImpl::SendFakeDeviceEventDataForTesting(
1167     blink::WebPlatformEventType type) {
1168   PlatformEventObserverBase* observer = platform_event_observers_.Lookup(type);
1169   CHECK(observer);
1170
1171   void* data = 0;
1172
1173   switch (type) {
1174   case blink::WebPlatformEventDeviceMotion:
1175     if (!(g_test_device_motion_data == 0))
1176       data = &g_test_device_motion_data.Get();
1177     break;
1178   case blink::WebPlatformEventDeviceOrientation:
1179     if (!(g_test_device_orientation_data == 0))
1180       data = &g_test_device_orientation_data.Get();
1181     break;
1182   case blink::WebPlatformEventDeviceLight:
1183     if (g_test_device_light_data >= 0)
1184       data = &g_test_device_light_data;
1185     break;
1186   default:
1187     NOTREACHED();
1188     break;
1189   }
1190
1191   if (!data)
1192     return;
1193
1194   base::ThreadTaskRunnerHandle::Get()->PostTask(
1195       FROM_HERE, base::Bind(&PlatformEventObserverBase::SendFakeDataForTesting,
1196                             base::Unretained(observer), data));
1197 }
1198
1199 void RendererBlinkPlatformImpl::stopListening(
1200     blink::WebPlatformEventType type) {
1201   if (type == blink::WebPlatformEventBattery) {
1202     g_test_battery_status_listener = nullptr;
1203     battery_status_dispatcher_.reset();
1204     return;
1205   }
1206
1207   PlatformEventObserverBase* observer = platform_event_observers_.Lookup(type);
1208   if (!observer)
1209     return;
1210   observer->Stop();
1211 }
1212
1213 //------------------------------------------------------------------------------
1214
1215 void RendererBlinkPlatformImpl::queryStorageUsageAndQuota(
1216     const blink::WebURL& storage_partition,
1217     blink::WebStorageQuotaType type,
1218     blink::WebStorageQuotaCallbacks callbacks) {
1219   if (!thread_safe_sender_.get() || !quota_message_filter_.get())
1220     return;
1221   QuotaDispatcher::ThreadSpecificInstance(thread_safe_sender_.get(),
1222                                           quota_message_filter_.get())
1223       ->QueryStorageUsageAndQuota(
1224           storage_partition,
1225           static_cast<storage::StorageType>(type),
1226           QuotaDispatcher::CreateWebStorageQuotaCallbacksWrapper(callbacks));
1227 }
1228
1229 //------------------------------------------------------------------------------
1230
1231 void RendererBlinkPlatformImpl::MockBatteryStatusChangedForTesting(
1232     const blink::WebBatteryStatus& status) {
1233   if (!g_test_battery_status_listener)
1234     return;
1235   g_test_battery_status_listener->updateBatteryStatus(status);
1236 }
1237
1238 }  // namespace content