Remove #pragma once from content

content/browser/renderer_host/socket_stream_dispatcher_host.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_RENDERER_HOST_SOCKET_STREAM_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_SOCKET_STREAM_DISPATCHER_HOST_H_
-#pragma once
 
 #include <vector>
 
 #include "base/id_map.h"
 #include "base/memory/weak_ptr.h"
 #include "content/browser/renderer_host/resource_message_filter.h"
 #include "content/browser/ssl/ssl_error_handler.h"
 #include "content/public/browser/browser_message_filter.h"
 #include "net/socket_stream/socket_stream.h"
 
@@ skipping 69 matching lines @@
   const scoped_ptr<ResourceMessageFilter::URLRequestContextSelector>
       url_request_context_selector_;
   ResourceContext* resource_context_;
 
   DISALLOW_COPY_AND_ASSIGN(SocketStreamDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_SOCKET_STREAM_DISPATCHER_HOST_H_