Move VideoFrame and related declarations to webrtc/api/video.

webrtc/modules/video_coding/codecs/vp8/vp8_impl.h

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  *
  * WEBRTC VP8 wrapper interface
  */
 
 #ifndef WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_VP8_IMPL_H_
 #define WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_VP8_IMPL_H_
 
 #include <memory>
 #include <vector>
 
 // NOTE: This include order must remain to avoid compile errors, even though
 //       it breaks the style guide.
 #include "vpx/vpx_encoder.h"
 #include "vpx/vpx_decoder.h"
 #include "vpx/vp8cx.h"
 #include "vpx/vp8dx.h"
 
+#include "webrtc/api/video/video_frame.h"
 #include "webrtc/common_video/include/i420_buffer_pool.h"
 #include "webrtc/modules/video_coding/include/video_codec_interface.h"
 #include "webrtc/modules/video_coding/codecs/vp8/include/vp8.h"
 #include "webrtc/modules/video_coding/codecs/vp8/reference_picture_selection.h"
 #include "webrtc/modules/video_coding/utility/quality_scaler.h"
 #include "webrtc/video_frame.h"
 
 namespace webrtc {
 
 class TemporalLayers;
@@ skipping 125 matching lines @@
   int image_format_;
   vpx_ref_frame_t* ref_frame_;
   int propagation_cnt_;
   int last_frame_width_;
   int last_frame_height_;
   bool key_frame_required_;
 };  // end of VP8DecoderImpl class
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_VP8_IMPL_H_