replace OVERRIDE and FINAL with override and final in chrome/browser/extensions/

chrome/browser/extensions/api/audio/audio_service_chromeos.cc

Index: chrome/browser/extensions/api/audio/audio_service_chromeos.cc
diff --git a/chrome/browser/extensions/api/audio/audio_service_chromeos.cc b/chrome/browser/extensions/api/audio/audio_service_chromeos.cc
index a9c9ebd1a4ce5e0669e2f6f7b46b6d83d82a843f..bc20d21df6979236d7ce99532bc23371c4ad422c 100644
--- a/chrome/browser/extensions/api/audio/audio_service_chromeos.cc
+++ b/chrome/browser/extensions/api/audio/audio_service_chromeos.cc
@@ -25,26 +25,26 @@ class AudioServiceImpl : public AudioService,
   virtual ~AudioServiceImpl();
 
   // Called by listeners to this service to add/remove themselves as observers.
-  virtual void AddObserver(AudioService::Observer* observer) OVERRIDE;
-  virtual void RemoveObserver(AudioService::Observer* observer) OVERRIDE;
+  virtual void AddObserver(AudioService::Observer* observer) override;
+  virtual void RemoveObserver(AudioService::Observer* observer) override;
 
   // Start to query audio device information.
-  virtual void StartGetInfo(const GetInfoCallback& callback) OVERRIDE;
-  virtual void SetActiveDevices(const DeviceIdList& device_list) OVERRIDE;
+  virtual void StartGetInfo(const GetInfoCallback& callback) override;
+  virtual void SetActiveDevices(const DeviceIdList& device_list) override;
   virtual bool SetDeviceProperties(const std::string& device_id,
                                    bool muted,
                                    int volume,
-                                   int gain) OVERRIDE;
+                                   int gain) override;
 
  protected:
   // chromeos::CrasAudioHandler::AudioObserver overrides.
-  virtual void OnOutputVolumeChanged() OVERRIDE;
-  virtual void OnInputGainChanged() OVERRIDE;
-  virtual void OnOutputMuteChanged() OVERRIDE;
-  virtual void OnInputMuteChanged() OVERRIDE;
-  virtual void OnAudioNodesChanged() OVERRIDE;
-  virtual void OnActiveOutputNodeChanged() OVERRIDE;
-  virtual void OnActiveInputNodeChanged() OVERRIDE;
+  virtual void OnOutputVolumeChanged() override;
+  virtual void OnInputGainChanged() override;
+  virtual void OnOutputMuteChanged() override;
+  virtual void OnInputMuteChanged() override;
+  virtual void OnAudioNodesChanged() override;
+  virtual void OnActiveOutputNodeChanged() override;
+  virtual void OnActiveInputNodeChanged() override;
 
  private:
   void NotifyDeviceChanged();