Remove #pragma once from content

content/browser/appcache/appcache_frontend_proxy.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_BROWSER_APPCACHE_APPCACHE_FRONTEND_PROXY_H_
 #define CONTENT_BROWSER_APPCACHE_APPCACHE_FRONTEND_PROXY_H_
-#pragma once
 
 #include <string>
 #include <vector>
 
 #include "ipc/ipc_sender.h"
 #include "webkit/appcache/appcache_interfaces.h"
 
 // Sends appcache related messages to a child process.
 class AppCacheFrontendProxy : public appcache::AppCacheFrontend {
  public:
@@ skipping 14 matching lines @@
   virtual void OnLogMessage(int host_id, appcache::LogLevel log_level,
                             const std::string& message) OVERRIDE;
   virtual void OnContentBlocked(int host_id,
                                 const GURL& manifest_url) OVERRIDE;
 
  private:
   IPC::Sender* sender_;
 };
 
 #endif  // CONTENT_BROWSER_APPCACHE_APPCACHE_FRONTEND_PROXY_H_