Fix VideoDecoderVpx to use pixel format the consumer wants.

remoting/codec/video_decoder_verbatim.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 REMOTING_CODEC_VIDEO_DECODER_VERBATIM_H_
 #define REMOTING_CODEC_VIDEO_DECODER_VERBATIM_H_
 
 #include <memory>
 
 #include "base/compiler_specific.h"
 #include "base/macros.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"
 
 namespace remoting {
 
 // Video decoder implementations that decodes video packet encoded by
 // VideoEncoderVerbatim. It just copies data from incoming packets to the
 // video frames.
 class VideoDecoderVerbatim : public VideoDecoder {
  public:
   VideoDecoderVerbatim();
   ~VideoDecoderVerbatim() override;
 
   // VideoDecoder implementation.
+  void SetPixelFormat(PixelFormat pixel_format) override;
   bool DecodePacket(const VideoPacket& packet,
                     webrtc::DesktopFrame* frame) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(VideoDecoderVerbatim);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CODEC_VIDEO_DECODER_VERBATIM_H_