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

content/renderer/pepper/pepper_media_stream_audio_track_host.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_PEPPER_PEPPER_MEDIA_STREAM_AUDIO_TRACK_HOST_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_MEDIA_STREAM_AUDIO_TRACK_HOST_H_
 
 #include <deque>
 
 #include "base/compiler_specific.h"
@@ skipping 20 matching lines @@
                                   PP_Instance instance,
                                   PP_Resource resource,
                                   const blink::WebMediaStreamTrack& track);
 
  private:
   // A helper class for receiving audio samples in the audio thread.
   // This class is created and destroyed on the renderer main thread.
   class AudioSink : public MediaStreamAudioSink {
    public:
     explicit AudioSink(PepperMediaStreamAudioTrackHost* host);
-    virtual ~AudioSink();
+    ~AudioSink() override;
 
     // Enqueues a free buffer index into |buffers_| which will be used for
     // sending audio samples to plugin.
     // This function is called on the main thread.
     void EnqueueBuffer(int32_t index);
 
     // This function is called on the main thread.
     int32_t Configure(int32_t number_of_buffers, int32_t duration,
                       const ppapi::host::ReplyMessageContext& context);
 
     // Send a reply to the currently pending |Configure()| request.
     void SendConfigureReply(int32_t result);
 
    private:
     // Initializes buffers on the main thread.
     void SetFormatOnMainThread(int bytes_per_second, int bytes_per_frame);
 
     void InitBuffers();
 
     // Send enqueue buffer message on the main thread.
     void SendEnqueueBufferMessageOnMainThread(int32_t index,
                                               int32_t buffers_generation);
 
     // MediaStreamAudioSink overrides:
     // These two functions should be called on the audio thread.
-    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;
 
     // Unowned host which is available during the AudioSink's lifespan.
     // It is mainly used in the main thread. But the audio thread will use
     // host_->buffer_manager() to read some buffer properties. It is safe
     // because the buffer_manager()'s properties will not be changed after
     // initialization.
     PepperMediaStreamAudioTrackHost* host_;
 
     // Timestamp of the next received audio buffer.
     // Access only on the audio thread.
@@ skipping 59 matching lines @@
     int32_t user_buffer_duration_;
 
     // Pending |Configure()| reply context.
     ppapi::host::ReplyMessageContext pending_configure_reply_;
 
     base::WeakPtrFactory<AudioSink> weak_factory_;
 
     DISALLOW_COPY_AND_ASSIGN(AudioSink);
   };
 
-  virtual ~PepperMediaStreamAudioTrackHost();
+  ~PepperMediaStreamAudioTrackHost() override;
 
   // ResourceMessageHandler overrides:
-  virtual int32_t OnResourceMessageReceived(
+  int32_t OnResourceMessageReceived(
       const IPC::Message& msg,
       ppapi::host::HostMessageContext* context) override;
 
   // Message handlers:
   int32_t OnHostMsgConfigure(
       ppapi::host::HostMessageContext* context,
       const ppapi::MediaStreamAudioTrackShared::Attributes& attributes);
 
   // PepperMediaStreamTrackHostBase overrides:
-  virtual void OnClose() override;
+  void OnClose() override;
 
   // MediaStreamBufferManager::Delegate overrides:
-  virtual void OnNewBufferEnqueued() override;
+  void OnNewBufferEnqueued() override;
 
   // ResourceHost overrides:
-  virtual void DidConnectPendingHostToResource() override;
+  void DidConnectPendingHostToResource() override;
 
   blink::WebMediaStreamTrack track_;
 
   // True if |audio_sink_| has been added to |blink::WebMediaStreamTrack|
   // as a sink.
   bool connected_;
 
   AudioSink audio_sink_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperMediaStreamAudioTrackHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_MEDIA_STREAM_AUDIO_TRACK_HOST_H_