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