Android implementation of text-to-speech code for Web Speech Synthesis API

chrome/browser/speech/tts_message_filter.h

Index: chrome/browser/speech/tts_message_filter.h
diff --git a/chrome/browser/speech/tts_message_filter.h b/chrome/browser/speech/tts_message_filter.h
index cbcbfc6a0b4aa3c95c2b9a5a864afbb85e09e87d..9f7fcf853a03673652cfe7029137158cc93234be 100644
--- a/chrome/browser/speech/tts_message_filter.h
+++ b/chrome/browser/speech/tts_message_filter.h
@@ -13,7 +13,8 @@ class Profile;
 
 class TtsMessageFilter
     : public content::BrowserMessageFilter,
-      public UtteranceEventDelegate {
+      public UtteranceEventDelegate,
+      public VoicesChangedDelegate {
  public:
   TtsMessageFilter(int render_process_id, Profile* profile);
 
@@ -23,6 +24,7 @@ class TtsMessageFilter
       content::BrowserThread::ID* thread) OVERRIDE;
   virtual bool OnMessageReceived(const IPC::Message& message,
                                  bool* message_was_ok) OVERRIDE;
+  virtual void OnChannelClosing() OVERRIDE;
 
   // UtteranceEventDelegate implementation.
   virtual void OnTtsEvent(Utterance* utterance,
@@ -30,9 +32,10 @@ class TtsMessageFilter
                           int char_index,
                           const std::string& error_message) OVERRIDE;
 
- private:
-  virtual ~TtsMessageFilter();
+  // VoicesChangedDelegate implementation.
+  virtual void OnVoicesChanged() OVERRIDE;
 
+ private:
   void OnInitializeVoiceList();
   void OnSpeak(const TtsUtteranceRequest& utterance);
   void OnPause();