Standardize usage of virtual/override/final in content/renderer/

content/renderer/media/webrtc_audio_device_impl.h

Index: content/renderer/media/webrtc_audio_device_impl.h
diff --git a/content/renderer/media/webrtc_audio_device_impl.h b/content/renderer/media/webrtc_audio_device_impl.h
index 77b837ccaf8fb5e3febbff683104de3063de718a..55b32581e72857e458c91d5d242df3d910517cfc 100644
--- a/content/renderer/media/webrtc_audio_device_impl.h
+++ b/content/renderer/media/webrtc_audio_device_impl.h
@@ -283,47 +283,47 @@ class CONTENT_EXPORT WebRtcAudioDeviceImpl
   // The creator must call AddRef() after construction and use Release()
   // to release the reference and delete this object.
   // Called on the main render thread.
-  virtual int32_t AddRef() override;
-  virtual int32_t Release() override;
+  int32_t AddRef() override;
+  int32_t Release() override;
 
   // webrtc::AudioDeviceModule implementation.
   // All implemented methods are called on the main render thread unless
   // anything else is stated.
 
-  virtual int32_t RegisterAudioCallback(webrtc::AudioTransport* audio_callback)
-      override;
+  int32_t RegisterAudioCallback(
+      webrtc::AudioTransport* audio_callback) override;
 
-  virtual int32_t Init() override;
-  virtual int32_t Terminate() override;
-  virtual bool Initialized() const override;
+  int32_t Init() override;
+  int32_t Terminate() override;
+  bool Initialized() const override;
 
-  virtual int32_t PlayoutIsAvailable(bool* available) override;
-  virtual bool PlayoutIsInitialized() const override;
-  virtual int32_t RecordingIsAvailable(bool* available) override;
-  virtual bool RecordingIsInitialized() const override;
+  int32_t PlayoutIsAvailable(bool* available) override;
+  bool PlayoutIsInitialized() const override;
+  int32_t RecordingIsAvailable(bool* available) override;
+  bool RecordingIsInitialized() const override;
 
   // All Start/Stop methods are called on a libJingle worker thread.
-  virtual int32_t StartPlayout() override;
-  virtual int32_t StopPlayout() override;
-  virtual bool Playing() const override;
-  virtual int32_t StartRecording() override;
-  virtual int32_t StopRecording() override;
-  virtual bool Recording() const override;
+  int32_t StartPlayout() override;
+  int32_t StopPlayout() override;
+  bool Playing() const override;
+  int32_t StartRecording() override;
+  int32_t StopRecording() override;
+  bool Recording() const override;
 
   // Called on the AudioInputDevice worker thread.
-  virtual int32_t SetMicrophoneVolume(uint32_t volume) override;
+  int32_t SetMicrophoneVolume(uint32_t volume) override;
 
   // TODO(henrika): sort out calling thread once we start using this API.
-  virtual int32_t MicrophoneVolume(uint32_t* volume) const override;
+  int32_t MicrophoneVolume(uint32_t* volume) const override;
 
-  virtual int32_t MaxMicrophoneVolume(uint32_t* max_volume) const override;
-  virtual int32_t MinMicrophoneVolume(uint32_t* min_volume) const override;
-  virtual int32_t StereoPlayoutIsAvailable(bool* available) const override;
-  virtual int32_t StereoRecordingIsAvailable(bool* available) const override;
-  virtual int32_t PlayoutDelay(uint16_t* delay_ms) const override;
-  virtual int32_t RecordingDelay(uint16_t* delay_ms) const override;
-  virtual int32_t RecordingSampleRate(uint32_t* sample_rate) const override;
-  virtual int32_t PlayoutSampleRate(uint32_t* sample_rate) const override;
+  int32_t MaxMicrophoneVolume(uint32_t* max_volume) const override;
+  int32_t MinMicrophoneVolume(uint32_t* min_volume) const override;
+  int32_t StereoPlayoutIsAvailable(bool* available) const override;
+  int32_t StereoRecordingIsAvailable(bool* available) const override;
+  int32_t PlayoutDelay(uint16_t* delay_ms) const override;
+  int32_t RecordingDelay(uint16_t* delay_ms) const override;
+  int32_t RecordingSampleRate(uint32_t* sample_rate) const override;
+  int32_t PlayoutSampleRate(uint32_t* sample_rate) const override;
 
   // Sets the |renderer_|, returns false if |renderer_| already exists.
   // Called on the main renderer thread.
@@ -359,38 +359,38 @@ class CONTENT_EXPORT WebRtcAudioDeviceImpl
   class RenderBuffer;
 
   // Make destructor private to ensure that we can only be deleted by Release().
-  virtual ~WebRtcAudioDeviceImpl();
+  ~WebRtcAudioDeviceImpl() override;
 
   // PeerConnectionAudioSink implementation.
 
   // Called on the AudioInputDevice worker thread.
-  virtual int OnData(const int16* audio_data,
-                     int sample_rate,
-                     int number_of_channels,
-                     int number_of_frames,
-                     const std::vector<int>& channels,
-                     int audio_delay_milliseconds,
-                     int current_volume,
-                     bool need_audio_processing,
-                     bool key_pressed) override;
+  int OnData(const int16* audio_data,
+             int sample_rate,
+             int number_of_channels,
+             int number_of_frames,
+             const std::vector<int>& channels,
+             int audio_delay_milliseconds,
+             int current_volume,
+             bool need_audio_processing,
+             bool key_pressed) override;
 
   // Called on the AudioInputDevice worker thread.
-  virtual void OnSetFormat(const media::AudioParameters& params) override;
+  void OnSetFormat(const media::AudioParameters& params) override;
 
   // WebRtcAudioRendererSource implementation.
 
   // Called on the AudioOutputDevice worker thread.
-  virtual void RenderData(media::AudioBus* audio_bus,
-                          int sample_rate,
-                          int audio_delay_milliseconds,
-                          base::TimeDelta* current_time) override;
+  void RenderData(media::AudioBus* audio_bus,
+                  int sample_rate,
+                  int audio_delay_milliseconds,
+                  base::TimeDelta* current_time) override;
 
   // Called on the main render thread.
-  virtual void RemoveAudioRenderer(WebRtcAudioRenderer* renderer) override;
+  void RemoveAudioRenderer(WebRtcAudioRenderer* renderer) override;
 
   // WebRtcPlayoutDataSource implementation.
-  virtual void AddPlayoutSink(WebRtcPlayoutDataSource::Sink* sink) override;
-  virtual void RemovePlayoutSink(WebRtcPlayoutDataSource::Sink* sink) override;
+  void AddPlayoutSink(WebRtcPlayoutDataSource::Sink* sink) override;
+  void RemovePlayoutSink(WebRtcPlayoutDataSource::Sink* sink) override;
 
   // Used to DCHECK that we are called on the correct thread.
   base::ThreadChecker thread_checker_;