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

content/renderer/media/webmediaplayer_ms.h

 // 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.
 
 #ifndef CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_MS_H_
 #define CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_MS_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 96 matching lines @@
   virtual bool didPassCORSAccessCheck() const;
 
   virtual double mediaTimeForTimeValue(double timeValue) const;
 
   virtual unsigned decodedFrameCount() const;
   virtual unsigned droppedFrameCount() const;
   virtual unsigned audioDecodedByteCount() const;
   virtual unsigned videoDecodedByteCount() const;
 
   // VideoFrameProvider implementation.
-  virtual void SetVideoFrameProviderClient(
+  void SetVideoFrameProviderClient(
       cc::VideoFrameProvider::Client* client) override;
-  virtual scoped_refptr<media::VideoFrame> GetCurrentFrame() override;
-  virtual void PutCurrentFrame(const scoped_refptr<media::VideoFrame>& frame)
-      override;
+  scoped_refptr<media::VideoFrame> GetCurrentFrame() override;
+  void PutCurrentFrame(const scoped_refptr<media::VideoFrame>& frame) override;
 
  private:
   // The callback for VideoFrameProvider to signal a new frame is available.
   void OnFrameAvailable(const scoped_refptr<media::VideoFrame>& frame);
   // Need repaint due to state change.
   void RepaintInternal();
 
   // The callback for source to report error.
   void OnSourceError();
 
@@ skipping 56 matching lines @@
   scoped_refptr<media::MediaLog> media_log_;
 
   scoped_ptr<MediaStreamRendererFactory> renderer_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerMS);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_MS_H_