Remove #pragma once from content

content/common/socket_stream_dispatcher.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_COMMON_SOCKET_STREAM_DISPATCHER_H_
 #define CONTENT_COMMON_SOCKET_STREAM_DISPATCHER_H_
-#pragma once
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "ipc/ipc_listener.h"
 
 namespace WebKit {
 class WebSocketStreamHandle;
 }
@@ skipping 22 matching lines @@
  private:
   void OnConnected(int socket_id, int max_amount_send_allowed);
   void OnSentData(int socket_id, int amount_sent);
   void OnReceivedData(int socket_id, const std::vector<char>& data);
   void OnClosed(int socket_id);
 
   DISALLOW_COPY_AND_ASSIGN(SocketStreamDispatcher);
 };
 
 #endif  // CONTENT_COMMON_SOCKET_STREAM_DISPATCHER_H_