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

media/base/android/media_source_player.h

Index: media/base/android/media_source_player.h
diff --git a/media/base/android/media_source_player.h b/media/base/android/media_source_player.h
index 5ef684ea9346103c3e943182506d272f31194760..874e61add84c22ed95a1da86f47843da73991716 100644
--- a/media/base/android/media_source_player.h
+++ b/media/base/android/media_source_player.h
@@ -43,32 +43,31 @@ class MEDIA_EXPORT MediaSourcePlayer : public MediaPlayerAndroid,
                     const RequestMediaResourcesCB& request_media_resources_cb,
                     scoped_ptr<DemuxerAndroid> demuxer,
                     const GURL& frame_url);
-  virtual ~MediaSourcePlayer();
+  ~MediaSourcePlayer() override;
 
   // MediaPlayerAndroid implementation.
-  virtual void SetVideoSurface(gfx::ScopedJavaSurface surface) override;
-  virtual void Start() override;
-  virtual void Pause(bool is_media_related_action) override;
-  virtual void SeekTo(base::TimeDelta timestamp) override;
-  virtual void Release() override;
-  virtual void SetVolume(double volume) override;
-  virtual int GetVideoWidth() override;
-  virtual int GetVideoHeight() override;
-  virtual base::TimeDelta GetCurrentTime() override;
-  virtual base::TimeDelta GetDuration() override;
-  virtual bool IsPlaying() override;
-  virtual bool CanPause() override;
-  virtual bool CanSeekForward() override;
-  virtual bool CanSeekBackward() override;
-  virtual bool IsPlayerReady() override;
-  virtual void SetCdm(BrowserCdm* cdm) override;
+  void SetVideoSurface(gfx::ScopedJavaSurface surface) override;
+  void Start() override;
+  void Pause(bool is_media_related_action) override;
+  void SeekTo(base::TimeDelta timestamp) override;
+  void Release() override;
+  void SetVolume(double volume) override;
+  int GetVideoWidth() override;
+  int GetVideoHeight() override;
+  base::TimeDelta GetCurrentTime() override;
+  base::TimeDelta GetDuration() override;
+  bool IsPlaying() override;
+  bool CanPause() override;
+  bool CanSeekForward() override;
+  bool CanSeekBackward() override;
+  bool IsPlayerReady() override;
+  void SetCdm(BrowserCdm* cdm) override;
 
   // DemuxerAndroidClient implementation.
-  virtual void OnDemuxerConfigsAvailable(const DemuxerConfigs& params) override;
-  virtual void OnDemuxerDataAvailable(const DemuxerData& params) override;
-  virtual void OnDemuxerSeekDone(
-      base::TimeDelta actual_browser_seek_time) override;
-  virtual void OnDemuxerDurationChanged(base::TimeDelta duration) override;
+  void OnDemuxerConfigsAvailable(const DemuxerConfigs& params) override;
+  void OnDemuxerDataAvailable(const DemuxerData& params) override;
+  void OnDemuxerSeekDone(base::TimeDelta actual_browser_seek_time) override;
+  void OnDemuxerDurationChanged(base::TimeDelta duration) override;
 
  private:
   friend class MediaSourcePlayerTest;