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

content/renderer/media/speech_recognition_audio_sink.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_MEDIA_SPEECH_RECOGNITION_AUDIO_SINK_H_
 #define CONTENT_RENDERER_MEDIA_SPEECH_RECOGNITION_AUDIO_SINK_H_
 
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/shared_memory.h"
@@ skipping 24 matching lines @@
  public:
   typedef base::Callback<void()> OnStoppedCB;
 
   // Socket ownership is transferred to the class via constructor.
   SpeechRecognitionAudioSink(const blink::WebMediaStreamTrack& track,
                              const media::AudioParameters& params,
                              const base::SharedMemoryHandle memory,
                              scoped_ptr<base::SyncSocket> socket,
                              const OnStoppedCB& on_stopped_cb);
 
-  virtual ~SpeechRecognitionAudioSink();
+  ~SpeechRecognitionAudioSink() override;
 
   // Returns whether the provided track is supported.
   static bool IsSupportedTrack(const blink::WebMediaStreamTrack& track);
 
  private:
   // content::MediaStreamAudioSink implementation.
-  virtual void OnReadyStateChanged(
+  void OnReadyStateChanged(
       blink::WebMediaStreamSource::ReadyState state) override;
 
-  virtual void OnData(const int16* audio_data, int sample_rate,
-                      int number_of_channels, int number_of_frames) override;
-  virtual void OnSetFormat(const media::AudioParameters& params) override;
+  void OnData(const int16* audio_data,
+              int sample_rate,
+              int number_of_channels,
+              int number_of_frames) override;
+  void OnSetFormat(const media::AudioParameters& params) override;
 
   // media::AudioConverter::Inputcallback implementation.
-  virtual double ProvideInput(media::AudioBus* audio_bus,
-                              base::TimeDelta buffer_delay) override;
+  double ProvideInput(media::AudioBus* audio_bus,
+                      base::TimeDelta buffer_delay) override;
 
   // Returns the pointer to the audio input buffer mapped in the shared memory.
   media::AudioInputBuffer* GetAudioInputBuffer() const;
 
   // Number of frames per buffer in FIFO. When the buffer is full we convert and
   // consume it on the |output_bus_|. Size of the buffer depends on the
   // resampler. Example: for 44.1 to 16.0 conversion, it should be 4100 frames.
   int fifo_buffer_size_;
 
   // Used to DCHECK that some methods are called on the main render thread.
@@ skipping 38 matching lines @@
 
   // Callback for the renderer client. Called when the audio track was stopped.
   const OnStoppedCB on_stopped_cb_;
 
   DISALLOW_COPY_AND_ASSIGN(SpeechRecognitionAudioSink);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_SPEECH_RECOGNITION_AUDIO_SINK_H_