Snapshot of all changes to get jumbo in blink and content.

content/common/media/media_stream_track_metrics_host_messages.h

Index: content/common/media/media_stream_track_metrics_host_messages.h
diff --git a/content/common/media/media_stream_track_metrics_host_messages.h b/content/common/media/media_stream_track_metrics_host_messages.h
index cfee04194e53f48790a37f90b2341c0238745bdd..6f3570945125e99c6c16df47d0114471bc0bee1e 100644
--- a/content/common/media/media_stream_track_metrics_host_messages.h
+++ b/content/common/media/media_stream_track_metrics_host_messages.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 CONTENT_COMMON_MEDIA_MEDIA_STREAM_TRACK_METRICS_HOST_MESSAGES_H_
+#define CONTENT_COMMON_MEDIA_MEDIA_STREAM_TRACK_METRICS_HOST_MESSAGES_H_
+
 #include <stdint.h>
 
 #include "base/values.h"
@@ -18,3 +21,5 @@ IPC_MESSAGE_CONTROL3(MediaStreamTrackMetricsHost_AddTrack,
                      bool /* is_audio */,
                      bool /* is_remote */)
 IPC_MESSAGE_CONTROL1(MediaStreamTrackMetricsHost_RemoveTrack, uint64_t /* id */)
+
+#endif  // CONTENT_COMMON_MEDIA_MEDIA_STREAM_TRACK_METRICS_HOST_MESSAGES_H_