Reland of Merge webrtc/video_engine/ into webrtc/video/

webrtc/test/video_capturer.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_VIDEO_ENGINE_TEST_COMMON_VIDEO_CAPTURER_H_
-#define WEBRTC_VIDEO_ENGINE_TEST_COMMON_VIDEO_CAPTURER_H_
+#ifndef WEBRTC_TEST_VIDEO_CAPTURER_H_
+#define WEBRTC_TEST_VIDEO_CAPTURER_H_
 
 #include <stddef.h>
 
 namespace webrtc {
 
 class Clock;
 
 class VideoCaptureInput;
 
 namespace test {
@@ skipping 10 matching lines @@
   virtual void Start() = 0;
   virtual void Stop() = 0;
 
  protected:
   explicit VideoCapturer(VideoCaptureInput* input);
   VideoCaptureInput* input_;
 };
 }  // test
 }  // webrtc
 
-#endif  // WEBRTC_VIDEO_ENGINE_TEST_COMMON_VIDEO_CAPTURER_H_
+#endif  // WEBRTC_TEST_VIDEO_CAPTURER_H_