Remove #pragma once from content

content/browser/debugger/devtools_netlog_observer.h

 // Copyright (c) 2012 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_BROWSER_DEBUGGER_DEVTOOLS_NETLOG_OBSERVER_H_
 #define CONTENT_BROWSER_DEBUGGER_DEVTOOLS_NETLOG_OBSERVER_H_
-#pragma once
 
 #include "base/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "net/base/net_log.h"
 #include "webkit/glue/resource_loader_bridge.h"
 
 namespace content {
 struct ResourceResponse;
 }
 
@@ skipping 43 matching lines @@
   typedef base::hash_map<uint32, uint32> SocketToRequestMap;
   RequestToInfoMap request_to_info_;
   RequestToEncodedDataLengthMap request_to_encoded_data_length_;
   HTTPStreamJobToSocketMap http_stream_job_to_socket_;
   SocketToRequestMap socket_to_request_;
 
   DISALLOW_COPY_AND_ASSIGN(DevToolsNetLogObserver);
 };
 
 #endif  // CONTENT_BROWSER_DEBUGGER_DEVTOOLS_NETLOG_OBSERVER_H_