[Mojo Video Capture] Replace RESOURCE_UTILIZATION with interface ReceiverLoadObserver

media/capture/video/video_frame_receiver.h

Index: media/capture/video/video_frame_receiver.h
diff --git a/media/capture/video/video_frame_receiver.h b/media/capture/video/video_frame_receiver.h
index b2af10c614e4026ea2d81931c628b5a93cf2726c..e772f33df96b644a57857ef532cf123eea183080 100644
--- a/media/capture/video/video_frame_receiver.h
+++ b/media/capture/video/video_frame_receiver.h
@@ -2,6 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#ifndef MEDIA_CAPTURE_VIDEO_VIDEO_FRAME_RECEIVER_H_
+#define MEDIA_CAPTURE_VIDEO_VIDEO_FRAME_RECEIVER_H_
+
 #include "media/capture/capture_export.h"
 #include "media/capture/video/video_capture_device.h"
 
@@ -22,3 +25,5 @@ class CAPTURE_EXPORT VideoFrameReceiver {
 };
 
 }  // namespace media
+
+#endif  // MEDIA_CAPTURE_VIDEO_VIDEO_FRAME_RECEIVER_H_