Remove #pragma once from content

content/worker/shared_worker_devtools_agent.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_WORKER_SHARED_WORKER_DEVTOOLS_AGENT_H_
 #define CONTENT_WORKER_SHARED_WORKER_DEVTOOLS_AGENT_H_
-#pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
 
 namespace IPC {
 class Message;
 }
 
 namespace WebKit {
@@ skipping 20 matching lines @@
   void OnResumeWorkerContext();
 
   bool Send(IPC::Message* message);
   const int route_id_;
   WebKit::WebSharedWorker* webworker_;
 
   DISALLOW_COPY_AND_ASSIGN(SharedWorkerDevToolsAgent);
 };
 
 #endif  // CONTENT_WORKER_SHARED_WORKER_DEVTOOLS_AGENT_H_