Implement web speech synthesis.

content/renderer/renderer_webkitplatformsupport_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/renderer_webkitplatformsupport_impl.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/lazy_instance.h"
@@ skipping 16 matching lines @@
 #include "content/public/common/content_switches.h"
 #include "content/public/common/gpu_info.h"
 #include "content/public/renderer/content_renderer_client.h"
 #include "content/renderer/dom_storage/webstoragenamespace_impl.h"
 #include "content/renderer/gamepad_shared_memory_reader.h"
 #include "content/renderer/hyphenator/hyphenator.h"
 #include "content/renderer/media/media_stream_dependency_factory.h"
 #include "content/renderer/media/renderer_webaudiodevice_impl.h"
 #include "content/renderer/render_thread_impl.h"
 #include "content/renderer/renderer_clipboard_client.h"
+#include "content/renderer/tts_dispatcher.h"
 #include "content/renderer/websharedworkerrepository_impl.h"
 #include "googleurl/src/gurl.h"
 #include "ipc/ipc_sync_message_filter.h"
 #include "media/audio/audio_output_device.h"
 #include "media/base/audio_hardware_config.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebBlobRegistry.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebFileInfo.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebGamepads.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebHyphenator.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebMediaStreamCenter.h"
@@ skipping 794 matching lines @@
 WebKit::WebHyphenator* RendererWebKitPlatformSupportImpl::hyphenator() {
   WebKit::WebHyphenator* hyphenator =
       GetContentClient()->renderer()->OverrideWebHyphenator();
   if (hyphenator)
     return hyphenator;
   return hyphenator_.get();
 }
 
 //------------------------------------------------------------------------------
 
+WebKit::WebSpeechSynthesizer*
+RendererWebKitPlatformSupportImpl::createSpeechSynthesizer(
+    WebKit::WebSpeechSynthesizerClient* client) {
+  return new TtsDispatcher(client);
+}
+
+//------------------------------------------------------------------------------
+
 bool RendererWebKitPlatformSupportImpl::processMemorySizesInBytes(
     size_t* private_bytes, size_t* shared_bytes) {
   content::RenderThread::Get()->Send(
       new ViewHostMsg_GetProcessMemorySizes(private_bytes, shared_bytes));
   return true;
 }
 
 //------------------------------------------------------------------------------
 
 WebKit::WebGraphicsContext3D*
@@ skipping 30 matching lines @@
 //------------------------------------------------------------------------------
 
 GrContext* RendererWebKitPlatformSupportImpl::sharedOffscreenGrContext() {
   if (!shared_offscreen_context_)
     return NULL;
   return shared_offscreen_context_->GrContext();
 }
 
 
 }  // namespace content