Standardize usage of virtual/override/final in chrome/renderer/

chrome/renderer/tts_dispatcher.h

 // Copyright (c) 2013 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 CHROME_RENDERER_TTS_DISPATCHER_H_
 #define CHROME_RENDERER_TTS_DISPATCHER_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 19 matching lines @@
 class TtsDispatcher
     : public blink::WebSpeechSynthesizer,
       public content::RenderProcessObserver {
  public:
   explicit TtsDispatcher(blink::WebSpeechSynthesizerClient* client);
 
  private:
   virtual ~TtsDispatcher();
 
   // RenderProcessObserver override.
-  virtual bool OnControlMessageReceived(const IPC::Message& message) override;
+  bool OnControlMessageReceived(const IPC::Message& message) override;
 
   // blink::WebSpeechSynthesizer implementation.
   virtual void updateVoiceList() override;
   virtual void speak(const blink::WebSpeechSynthesisUtterance& utterance)
       override;
   virtual void pause() override;
   virtual void resume() override;
   virtual void cancel() override;
 
   blink::WebSpeechSynthesisUtterance FindUtterance(int utterance_id);
@@ skipping 18 matching lines @@
   // Next utterance id, used to map response IPCs to utterance objects.
   static int next_utterance_id_;
 
   // Map from id to utterance objects.
   base::hash_map<int, blink::WebSpeechSynthesisUtterance> utterance_id_map_;
 
   DISALLOW_COPY_AND_ASSIGN(TtsDispatcher);
 };
 
 #endif  // CHROME_RENDERER_TTS_DISPATCHER_H_