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

content/common/media/media_player_delegate_messages.h

Index: content/common/media/media_player_delegate_messages.h
diff --git a/content/common/media/media_player_delegate_messages.h b/content/common/media/media_player_delegate_messages.h
index 45b495b137fbdfd02b94866f458ed398dd1bafee..c43475c390d587b4c98658d57a0b8369eaafc2b9 100644
--- a/content/common/media/media_player_delegate_messages.h
+++ b/content/common/media/media_player_delegate_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_PLAYER_DELEGATE_MESSAGES_H_
+#define CONTENT_COMMON_MEDIA_MEDIA_PLAYER_DELEGATE_MESSAGES_H_
+
 // IPC messages for interactions between the WebMediaPlayerDelegate in the
 // renderer process and MediaWebContentsObserver in the browser process.
 // Multiply-included message file, hence no include guard.
@@ -69,3 +72,5 @@ IPC_MESSAGE_ROUTED2(
 IPC_MESSAGE_ROUTED2(MediaPlayerDelegateHostMsg_OnMediaSizeChanged,
                     int /* delegate_id, distinguishes instances */,
                     gfx::Size /* new size of video */)
+
+#endif  // CONTENT_COMMON_MEDIA_MEDIA_PLAYER_DELEGATE_MESSAGES_H_