Clean up media header include guards

media/capture/content/screen_capture_device_core.h

 // Copyright 2014 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.
 
-#ifndef MEDIA_CAPTURE_SCREEN_CAPTURE_DEVICE_CORE_H_
-#define MEDIA_CAPTURE_SCREEN_CAPTURE_DEVICE_CORE_H_
+#ifndef MEDIA_CAPTURE_CONTENT_SCREEN_CAPTURE_DEVICE_CORE_H_
+#define MEDIA_CAPTURE_CONTENT_SCREEN_CAPTURE_DEVICE_CORE_H_
 
 #include <memory>
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "media/base/media_export.h"
 #include "media/capture/content/thread_safe_capture_oracle.h"
 #include "media/capture/video/video_capture_device.h"
@@ skipping 95 matching lines @@
   // Our thread-safe capture oracle which serves as the gateway to the video
   // capture pipeline. Besides the VideoCaptureDevice itself, it is the only
   // component of the system with direct access to |client_|.
   scoped_refptr<ThreadSafeCaptureOracle> oracle_proxy_;
 
   DISALLOW_COPY_AND_ASSIGN(ScreenCaptureDeviceCore);
 };
 
 }  // namespace media
 
-#endif  // MEDIA_CAPTURE_SCREEN_CAPTURE_DEVICE_CORE_H_
+#endif  // MEDIA_CAPTURE_CONTENT_SCREEN_CAPTURE_DEVICE_CORE_H_