Standardize usage of virtual/override/final in remoting/

remoting/codec/video_decoder_vpx.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 REMOTING_CODEC_VIDEO_DECODER_VPX_H_
 #define REMOTING_CODEC_VIDEO_DECODER_VPX_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "remoting/codec/scoped_vpx_codec.h"
 #include "remoting/codec/video_decoder.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_region.h"
 
 typedef struct vpx_image vpx_image_t;
 
 namespace remoting {
 
 class VideoDecoderVpx : public VideoDecoder {
  public:
   // Create decoders for the specified protocol.
   static scoped_ptr<VideoDecoderVpx> CreateForVP8();
   static scoped_ptr<VideoDecoderVpx> CreateForVP9();
 
-  virtual ~VideoDecoderVpx();
+  ~VideoDecoderVpx() override;
 
   // VideoDecoder interface.
-  virtual void Initialize(const webrtc::DesktopSize& screen_size) override;
-  virtual bool DecodePacket(const VideoPacket& packet) override;
-  virtual void Invalidate(const webrtc::DesktopSize& view_size,
-                          const webrtc::DesktopRegion& region) override;
-  virtual void RenderFrame(const webrtc::DesktopSize& view_size,
-                           const webrtc::DesktopRect& clip_area,
-                           uint8* image_buffer,
-                           int image_stride,
-                           webrtc::DesktopRegion* output_region) override;
-  virtual const webrtc::DesktopRegion* GetImageShape() override;
+  void Initialize(const webrtc::DesktopSize& screen_size) override;
+  bool DecodePacket(const VideoPacket& packet) override;
+  void Invalidate(const webrtc::DesktopSize& view_size,
+                  const webrtc::DesktopRegion& region) override;
+  void RenderFrame(const webrtc::DesktopSize& view_size,
+                   const webrtc::DesktopRect& clip_area,
+                   uint8* image_buffer,
+                   int image_stride,
+                   webrtc::DesktopRegion* output_region) override;
+  const webrtc::DesktopRegion* GetImageShape() override;
 
  private:
   explicit VideoDecoderVpx(ScopedVpxCodec codec);
 
   // Calculates the difference between the desktop shape regions in two
   // consecutive frames and updates |updated_region_| and |transparent_region_|
   // accordingly.
   void UpdateImageShapeRegion(webrtc::DesktopRegion* new_desktop_shape);
 
   ScopedVpxCodec codec_;
@@ skipping 12 matching lines @@
 
   // The region that should be make transparent.
   webrtc::DesktopRegion transparent_region_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoDecoderVpx);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CODEC_VIDEO_DECODER_VP8_H_