Standardize usage of virtual/override/final in media/

media/cast/cast_sender_impl.cc

 // Copyright 2013 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.
 
 #include "media/cast/cast_sender_impl.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "media/base/video_frame.h"
 
 namespace media {
 namespace cast {
 
 // The LocalVideoFrameInput class posts all incoming video frames to the main
 // cast thread for processing.
 class LocalVideoFrameInput : public VideoFrameInput {
  public:
   LocalVideoFrameInput(scoped_refptr<CastEnvironment> cast_environment,
                        base::WeakPtr<VideoSender> video_sender)
       : cast_environment_(cast_environment), video_sender_(video_sender) {}
 
-  virtual void InsertRawVideoFrame(
-      const scoped_refptr<media::VideoFrame>& video_frame,
-      const base::TimeTicks& capture_time) override {
+  void InsertRawVideoFrame(const scoped_refptr<media::VideoFrame>& video_frame,
+                           const base::TimeTicks& capture_time) override {
     cast_environment_->PostTask(CastEnvironment::MAIN,
                                 FROM_HERE,
                                 base::Bind(&VideoSender::InsertRawVideoFrame,
                                            video_sender_,
                                            video_frame,
                                            capture_time));
   }
 
  protected:
-  virtual ~LocalVideoFrameInput() {}
+  ~LocalVideoFrameInput() override {}
 
  private:
   friend class base::RefCountedThreadSafe<LocalVideoFrameInput>;
 
   scoped_refptr<CastEnvironment> cast_environment_;
   base::WeakPtr<VideoSender> video_sender_;
 
   DISALLOW_COPY_AND_ASSIGN(LocalVideoFrameInput);
 };
 
 // The LocalAudioFrameInput class posts all incoming audio frames to the main
 // cast thread for processing. Therefore frames can be inserted from any thread.
 class LocalAudioFrameInput : public AudioFrameInput {
  public:
   LocalAudioFrameInput(scoped_refptr<CastEnvironment> cast_environment,
                        base::WeakPtr<AudioSender> audio_sender)
       : cast_environment_(cast_environment), audio_sender_(audio_sender) {}
 
-  virtual void InsertAudio(scoped_ptr<AudioBus> audio_bus,
-                           const base::TimeTicks& recorded_time) override {
+  void InsertAudio(scoped_ptr<AudioBus> audio_bus,
+                   const base::TimeTicks& recorded_time) override {
     cast_environment_->PostTask(CastEnvironment::MAIN,
                                 FROM_HERE,
                                 base::Bind(&AudioSender::InsertAudio,
                                            audio_sender_,
                                            base::Passed(&audio_bus),
                                            recorded_time));
   }
 
  protected:
-  virtual ~LocalAudioFrameInput() {}
+  ~LocalAudioFrameInput() override {}
 
  private:
   friend class base::RefCountedThreadSafe<LocalAudioFrameInput>;
 
   scoped_refptr<CastEnvironment> cast_environment_;
   base::WeakPtr<AudioSender> audio_sender_;
 
   DISALLOW_COPY_AND_ASSIGN(LocalAudioFrameInput);
 };
 
@@ skipping 93 matching lines @@
     const CastInitializationCallback& initialization_cb,
     media::cast::CastInitializationStatus result) {
   DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN));
   video_frame_input_ =
       new LocalVideoFrameInput(cast_environment_, video_sender_->AsWeakPtr());
   initialization_cb.Run(result);
 }
 
 }  // namespace cast
 }  // namespace media