Remove VideoDecoder::Initialize().

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 const struct vpx_codec_iface vpx_codec_iface_t;
 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();
 
   ~VideoDecoderVpx() override;
 
   // VideoDecoder interface.
-  void Initialize(const webrtc::DesktopSize& source_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;
 
@@ skipping 13 matching lines @@
 
   // The shape of the most-recent frame, if any.
   scoped_ptr<webrtc::DesktopRegion> desktop_shape_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoDecoderVpx);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CODEC_VIDEO_DECODER_VP8_H_