Update {virtual,override,final} to follow C++11 style.

media/audio/android/opensles_input.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 MEDIA_AUDIO_ANDROID_OPENSLES_INPUT_H_
 #define MEDIA_AUDIO_ANDROID_OPENSLES_INPUT_H_
 
 #include <SLES/OpenSLES.h>
 #include <SLES/OpenSLES_Android.h>
 
@@ skipping 13 matching lines @@
 // This class is created and lives on the Audio Manager thread but recorded
 // audio buffers are delivered on an internal OpenSLES audio thread. All public
 // methods should be called on the Audio Manager thread.
 class OpenSLESInputStream : public AudioInputStream {
  public:
   static const int kMaxNumOfBuffersInQueue = 2;
 
   OpenSLESInputStream(AudioManagerAndroid* manager,
                       const AudioParameters& params);
 
-  virtual ~OpenSLESInputStream();
+  ~OpenSLESInputStream() override;
 
   // Implementation of AudioInputStream.
-  virtual bool Open() override;
-  virtual void Start(AudioInputCallback* callback) override;
-  virtual void Stop() override;
-  virtual void Close() override;
-  virtual double GetMaxVolume() override;
-  virtual void SetVolume(double volume) override;
-  virtual double GetVolume() override;
-  virtual bool SetAutomaticGainControl(bool enabled) override;
-  virtual bool GetAutomaticGainControl() override;
-  virtual bool IsMuted() override;
+  bool Open() override;
+  void Start(AudioInputCallback* callback) override;
+  void Stop() override;
+  void Close() override;
+  double GetMaxVolume() override;
+  void SetVolume(double volume) override;
+  double GetVolume() override;
+  bool SetAutomaticGainControl(bool enabled) override;
+  bool GetAutomaticGainControl() override;
+  bool IsMuted() override;
 
  private:
   bool CreateRecorder();
 
   // Called from OpenSLES specific audio worker thread.
   static void SimpleBufferQueueCallback(
       SLAndroidSimpleBufferQueueItf buffer_queue,
       void* instance);
 
   // Called from OpenSLES specific audio worker thread.
@@ skipping 40 matching lines @@
   bool started_;
 
   scoped_ptr<media::AudioBus> audio_bus_;
 
   DISALLOW_COPY_AND_ASSIGN(OpenSLESInputStream);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_ANDROID_OPENSLES_INPUT_H_