Implement web speech synthesis.

content/renderer/render_view_impl.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_RENDERER_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 150 matching lines @@
 class NavigationState;
 class NotificationProvider;
 class RenderViewObserver;
 class RenderViewTest;
 class RendererAccessibility;
 class RendererDateTimePicker;
 class RendererPpapiHost;
 class RendererWebColorChooserImpl;
 class RenderWidgetFullscreenPepper;
 class SpeechRecognitionDispatcher;
+class TtsDispatcher;
 class WebPluginDelegateProxy;
 struct CustomContextMenuContext;
 struct FileChooserParams;
 struct RenderViewImplParams;
 
 #if defined(OS_ANDROID)
 class WebMediaPlayerProxyImplAndroid;
 #endif
 
 // We need to prevent a page from trying to create infinite popups. It is not
@@ skipping 323 matching lines @@
   virtual int historyForwardListCount();
   virtual void postAccessibilityNotification(
       const WebKit::WebAccessibilityObject& obj,
       WebKit::WebAccessibilityNotification notification);
   virtual void didUpdateInspectorSetting(const WebKit::WebString& key,
                                          const WebKit::WebString& value);
   virtual WebKit::WebGeolocationClient* geolocationClient();
   virtual WebKit::WebSpeechInputController* speechInputController(
       WebKit::WebSpeechInputListener* listener);
   virtual WebKit::WebSpeechRecognizer* speechRecognizer();
+  virtual WebKit::WebSpeechSynthesis* speechSynthesis();
   virtual WebKit::WebDeviceOrientationClient* deviceOrientationClient();
   virtual void zoomLimitsChanged(double minimum_level, double maximum_level);
   virtual void zoomLevelChanged();
   virtual void registerProtocolHandler(const WebKit::WebString& scheme,
                                        const WebKit::WebString& base_url,
                                        const WebKit::WebString& url,
                                        const WebKit::WebString& title);
   virtual WebKit::WebPageVisibilityState visibilityState() const;
   virtual WebKit::WebUserMediaClient* userMediaClient();
   virtual void draggableRegionsChanged();
@@ skipping 913 matching lines @@
   // The geolocation dispatcher attached to this view, lazily initialized.
   GeolocationDispatcher* geolocation_dispatcher_;
 
   // The speech dispatcher attached to this view, lazily initialized.
   InputTagSpeechDispatcher* input_tag_speech_dispatcher_;
 
   // The speech recognition dispatcher attached to this view, lazily
   // initialized.
   SpeechRecognitionDispatcher* speech_recognition_dispatcher_;
 
+  // The speech synthesis dispatcher attached to this view, lazily
+  // initialized.
+  TtsDispatcher* tts_dispatcher_;
+
   // Device orientation dispatcher attached to this view; lazily initialized.
   DeviceOrientationDispatcher* device_orientation_dispatcher_;
 
   // MediaStream dispatcher attached to this view; lazily initialized.
   MediaStreamDispatcher* media_stream_dispatcher_;
 
   // BrowserPluginManager attached to this view; lazily initialized.
   scoped_refptr<BrowserPluginManager> browser_plugin_manager_;
 
   // MediaStreamImpl attached to this view; lazily initialized.
@@ skipping 178 matching lines @@
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_