Move frame_callback.h to common_video/include.

webrtc/common_video/include/frame_callback.h

 /*
  *  Copyright (c) 2013 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.
  */
 
-#ifndef WEBRTC_FRAME_CALLBACK_H_
-#define WEBRTC_FRAME_CALLBACK_H_
+#ifndef WEBRTC_COMMON_VIDEO_INCLUDE_FRAME_CALLBACK_H_
+#define WEBRTC_COMMON_VIDEO_INCLUDE_FRAME_CALLBACK_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "webrtc/common_types.h"
 
 namespace webrtc {
 
 class VideoFrame;
 
@@ skipping 22 matching lines @@
  public:
   virtual void EncodedFrameCallback(const EncodedFrame& encoded_frame) = 0;
   virtual void OnEncodeTiming(int64_t capture_ntp_ms, int encode_duration_ms) {}
 
  protected:
   virtual ~EncodedFrameObserver() {}
 };
 
 }  // namespace webrtc
 
-#endif  // WEBRTC_FRAME_CALLBACK_H_
+#endif  // WEBRTC_COMMON_VIDEO_INCLUDE_FRAME_CALLBACK_H_