Changing include guard in frame_callback.h.

R=pbos@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/39769004

Cr-Commit-Position: refs/heads/master@{#8233}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8233 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/frame_callback.h b/webrtc/frame_callback.h
index 1d73f4a..1cd077a 100644
--- a/webrtc/frame_callback.h
+++ b/webrtc/frame_callback.h
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_VIDEO_ENGINE_NEW_INCLUDE_FRAME_CALLBACK_H_
-#define WEBRTC_VIDEO_ENGINE_NEW_INCLUDE_FRAME_CALLBACK_H_
+#ifndef WEBRTC_FRAME_CALLBACK_H_
+#define WEBRTC_FRAME_CALLBACK_H_
 
 #include <stddef.h>
 
@@ -50,4 +50,4 @@
 
 }  // namespace webrtc
 
-#endif  // WEBRTC_VIDEO_ENGINE_NEW_INCLUDE_FRAME_CALLBACK_H_
+#endif  // WEBRTC_FRAME_CALLBACK_H_