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

media/audio/android/opensles_input.h

Index: media/audio/android/opensles_input.h
diff --git a/media/audio/android/opensles_input.h b/media/audio/android/opensles_input.h
index ff945353eae9a6692ee6a86946bc05359b961835..e4ec0824245f15072480c81748dcaea9dc0b2c68 100644
--- a/media/audio/android/opensles_input.h
+++ b/media/audio/android/opensles_input.h
@@ -31,19 +31,19 @@ class OpenSLESInputStream : public AudioInputStream {
   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();