replace OVERRIDE and FINAL with override and final in ash/

ash/system/win/audio/tray_audio_delegate_win.h

Index: ash/system/win/audio/tray_audio_delegate_win.h
diff --git a/ash/system/win/audio/tray_audio_delegate_win.h b/ash/system/win/audio/tray_audio_delegate_win.h
index f63f7b7c4763d64da6eb5bed0bb26f707ac8b1b5..a299b7db33b3a1cf0905e6b93182287d63de18ba 100644
--- a/ash/system/win/audio/tray_audio_delegate_win.h
+++ b/ash/system/win/audio/tray_audio_delegate_win.h
@@ -21,15 +21,15 @@ class ASH_EXPORT TrayAudioDelegateWin : public TrayAudioDelegate {
   virtual ~TrayAudioDelegateWin() {}
 
   // Overridden from TrayAudioDelegate.
-  virtual void AdjustOutputVolumeToAudibleLevel() OVERRIDE;
-  virtual int GetOutputDefaultVolumeMuteLevel() OVERRIDE;
-  virtual int GetOutputVolumeLevel() OVERRIDE;
-  virtual int GetActiveOutputDeviceIconId() OVERRIDE;
-  virtual bool HasAlternativeSources() OVERRIDE;
-  virtual bool IsOutputAudioMuted() OVERRIDE;
-  virtual void SetOutputAudioIsMuted(bool is_muted) OVERRIDE;
-  virtual void SetOutputVolumeLevel(int level) OVERRIDE;
-  virtual void SetInternalSpeakerChannelMode(AudioChannelMode mode) OVERRIDE;
+  virtual void AdjustOutputVolumeToAudibleLevel() override;
+  virtual int GetOutputDefaultVolumeMuteLevel() override;
+  virtual int GetOutputVolumeLevel() override;
+  virtual int GetActiveOutputDeviceIconId() override;
+  virtual bool HasAlternativeSources() override;
+  virtual bool IsOutputAudioMuted() override;
+  virtual void SetOutputAudioIsMuted(bool is_muted) override;
+  virtual void SetOutputVolumeLevel(int level) override;
+  virtual void SetInternalSpeakerChannelMode(AudioChannelMode mode) override;
 
  private:
   base::win::ScopedComPtr<ISimpleAudioVolume> CreateDefaultVolumeControl();