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

content/common/render_process_messages.h

Index: content/common/render_process_messages.h
diff --git a/content/common/render_process_messages.h b/content/common/render_process_messages.h
index 7ae52ee7304c9e232d5c3778d1a00e0fd629a9e5..5d2328364073432df3c788674d14e99ca41202db 100644
--- a/content/common/render_process_messages.h
+++ b/content/common/render_process_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_RENDER_PROCESS_MESSAGES_H_
+#define CONTENT_COMMON_RENDER_PROCESS_MESSAGES_H_
+
 // Common IPC messages used for render processes.
 // Multiply-included message file, hence no include guard.
 
@@ -68,3 +71,5 @@ IPC_SYNC_MESSAGE_CONTROL1_3(RenderProcessHostMsg_LoadFont,
                             base::SharedMemoryHandle /* font data */,
                             uint32_t /* font id */)
 #endif
+
+#endif  // CONTENT_COMMON_RENDER_PROCESS_MESSAGES_H_