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

content/common/worker_messages.h

Index: content/common/worker_messages.h
diff --git a/content/common/worker_messages.h b/content/common/worker_messages.h
index 2a365435eab0e2d47d6fdce9f770405212faa6dd..49a1c98e4966982eab104134434c52ac692c03f7 100644
--- a/content/common/worker_messages.h
+++ b/content/common/worker_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_WORKER_MESSAGES_H_
+#define CONTENT_COMMON_WORKER_MESSAGES_H_
+
 // Defines messages between the browser and worker process, as well as between
 // the renderer and worker process.
 
@@ -119,3 +122,5 @@ IPC_MESSAGE_CONTROL1(WorkerHostMsg_WorkerScriptLoadFailed,
 IPC_MESSAGE_CONTROL2(WorkerHostMsg_WorkerConnected,
                      int /* connection_request_id */,
                      int /* worker_route_id */)
+
+#endif  // CONTENT_COMMON_WORKER_MESSAGES_H_