Move common VideoPacket initialization into VideoEncoderHelper.

remoting/codec/video_encoder_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_ENCODER_VPX_H_
 #define REMOTING_CODEC_VIDEO_ENCODER_VPX_H_
 
 #include "base/callback.h"
 #include "base/time/time.h"
 #include "remoting/codec/scoped_vpx_codec.h"
 #include "remoting/codec/video_encoder.h"
+#include "remoting/codec/video_encoder_helper.h"
 
 typedef struct vpx_image vpx_image_t;
 
 namespace webrtc {
 class DesktopRegion;
 class DesktopSize;
 }  // namespace webrtc
 
 namespace remoting {
 
@@ skipping 39 matching lines @@
 
   // VPX image and buffer to hold the actual YUV planes.
   scoped_ptr<vpx_image_t> image_;
   scoped_ptr<uint8[]> image_buffer_;
 
   // Active map used to optimize out processing of un-changed macroblocks.
   scoped_ptr<uint8[]> active_map_;
   int active_map_width_;
   int active_map_height_;
 
+  // Used to help initialize VideoPackets from DesktopFrames.
+  VideoEncoderHelper helper_;
+
   DISALLOW_COPY_AND_ASSIGN(VideoEncoderVpx);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CODEC_VIDEO_ENCODER_VP8_H_