Implement web speech synthesis.

content/public/renderer/content_renderer_client.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_RENDERER_CONTENT_RENDERER_CLIENT_H_
 #define CONTENT_PUBLIC_RENDERER_CONTENT_RENDERER_CLIENT_H_
 
 #include <string>
 
 #include "base/string16.h"
@@ skipping 19 matching lines @@
 class WebFrame;
 class WebHyphenator;
 class WebMediaPlayerClient;
 class WebMediaStreamCenter;
 class WebMediaStreamCenterClient;
 class WebMimeRegistry;
 class WebPlugin;
 class WebPluginContainer;
 class WebRTCPeerConnectionHandler;
 class WebRTCPeerConnectionHandlerClient;
+class WebSpeechSynthesizer;
+class WebSpeechSynthesizerClient;
 class WebThemeEngine;
 class WebURLRequest;
 struct WebPluginParams;
 struct WebURLError;
 }
 
 namespace webkit {
 namespace ppapi {
 class PpapiInterfaceFactoryManager;
 }
@@ skipping 100 matching lines @@
   virtual WebKit::WebMimeRegistry* OverrideWebMimeRegistry();
 
   // Allows the embedder to override the WebKit::WebHyphenator used. If it
   // returns NULL the content layer will handle hyphenation.
   virtual WebKit::WebHyphenator* OverrideWebHyphenator();
 
   // Allows the embedder to override the WebThemeEngine used. If it returns NULL
   // the content layer will provide an engine.
   virtual WebKit::WebThemeEngine* OverrideThemeEngine();
 
+  // Allows the embedder to override the WebSpeechSynthesizer used.
+  // If it returns NULL the content layer will provide an engine.
+  virtual WebKit::WebSpeechSynthesizer* OverrideSpeechSynthesizer(
+      WebKit::WebSpeechSynthesizerClient* client);
+
   // Returns true if the renderer process should schedule the idle handler when
   // all widgets are hidden.
   virtual bool RunIdleHandlerWhenWidgetsHidden();
 
   // Returns true if a popup window should be allowed.
   virtual bool AllowPopup();
 
   // Returns true if the navigation was handled by the embedder and should be
   // ignored by WebKit. This method is used by CEF.
   virtual bool HandleNavigation(WebKit::WebFrame* frame,
@@ skipping 64 matching lines @@
   // RenderThreadImpl. If NULL, then a new thread will be created.
   virtual base::MessageLoop* OverrideCompositorMessageLoop() const;
 
   // Allow the embedder to disable input event filtering by the compositor.
   virtual bool ShouldCreateCompositorInputHandler() const;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_RENDERER_CONTENT_RENDERER_CLIENT_H_