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

content/renderer/pepper/pepper_platform_audio_output.h

 // Copyright (c) 2012 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_PLATFORM_AUDIO_OUTPUT_IMPL_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_PLATFORM_AUDIO_OUTPUT_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 30 matching lines @@
 
   // Stops the playback. Returns false on error or if called before the stream
   // is created or after the stream is closed.
   bool StopPlayback();
 
   // Closes the stream. Make sure to call this before the object is
   // destructed.
   void ShutDown();
 
   // media::AudioOutputIPCDelegate implementation.
-  virtual void OnStateChanged(media::AudioOutputIPCDelegate::State state)
-      override;
-  virtual void OnStreamCreated(base::SharedMemoryHandle handle,
-                               base::SyncSocket::Handle socket_handle,
-                               int length) override;
-  virtual void OnIPCClosed() override;
+  void OnStateChanged(media::AudioOutputIPCDelegate::State state) override;
+  void OnStreamCreated(base::SharedMemoryHandle handle,
+                       base::SyncSocket::Handle socket_handle,
+                       int length) override;
+  void OnIPCClosed() override;
 
  protected:
-  virtual ~PepperPlatformAudioOutput();
+  ~PepperPlatformAudioOutput() override;
 
  private:
   friend class base::RefCountedThreadSafe<PepperPlatformAudioOutput>;
 
   PepperPlatformAudioOutput();
 
   bool Initialize(int sample_rate,
                   int frames_per_buffer,
                   int source_render_view_id,
                   int source_render_frame_id,
@@ skipping 15 matching lines @@
 
   scoped_refptr<base::MessageLoopProxy> main_message_loop_proxy_;
   scoped_refptr<base::MessageLoopProxy> io_message_loop_proxy_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperPlatformAudioOutput);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_PLATFORM_AUDIO_OUTPUT_IMPL_H_