Clean up media header include guards

media/capture/video/win/sink_filter_observer_win.h

 // Copyright (c) 2011 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.
 
 // Observer class of Sinkfilter. The implementor of this class receive video
 // frames from the SinkFilter DirectShow filter.
 
-#ifndef MEDIA_VIDEO_CAPTURE_WIN_SINK_FILTER_OBSERVER_WIN_H_
-#define MEDIA_VIDEO_CAPTURE_WIN_SINK_FILTER_OBSERVER_WIN_H_
+#ifndef MEDIA_CAPTURE_VIDEO_WIN_SINK_FILTER_OBSERVER_WIN_H_
+#define MEDIA_CAPTURE_VIDEO_WIN_SINK_FILTER_OBSERVER_WIN_H_
 
 #include <stdint.h>
 
 namespace media {
 
 class SinkFilterObserver {
  public:
   // SinkFilter will call this function with all frames delivered to it.
   // buffer in only valid during this function call.
   virtual void FrameReceived(const uint8_t* buffer,
                              int length,
                              base::TimeDelta timestamp) = 0;
 
  protected:
   virtual ~SinkFilterObserver();
 };
 
 }  // namespace media
 
-#endif  // MEDIA_VIDEO_CAPTURE_WIN_SINK_FILTER_OBSERVER_WIN_H_
+#endif  // MEDIA_CAPTURE_VIDEO_WIN_SINK_FILTER_OBSERVER_WIN_H_