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

webrtc/sdk/objc/Framework/Classes/RTCVideoFrame.mm

 /*
  *  Copyright 2015 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.
  */
 
 #import "RTCVideoFrame+Private.h"
 
 #include <memory>
 
-#include "webrtc/common_video/rotation.h"
+#include "webrtc/api/video/rotation.h"
 
 @implementation RTCVideoFrame {
   rtc::scoped_refptr<webrtc::VideoFrameBuffer> _videoBuffer;
   webrtc::VideoRotation _rotation;
   int64_t _timeStampNs;
   rtc::scoped_refptr<webrtc::VideoFrameBuffer> _i420Buffer;
 }
 
 - (size_t)width {
   return _videoBuffer->width();
@@ skipping 89 matching lines @@
   }
   return self;
 }
 
 - (rtc::scoped_refptr<webrtc::VideoFrameBuffer>)i420Buffer {
   [self convertBufferIfNeeded];
   return _i420Buffer;
 }
 
 @end