Remove #pragma once from content

content/public/browser/plugin_data_remover.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_PUBLIC_BROWSER_PLUGIN_DATA_REMOVER_H_
 #define CONTENT_PUBLIC_BROWSER_PLUGIN_DATA_REMOVER_H_
-#pragma once
 
 #include <vector>
 
 #include "base/time.h"
 #include "content/common/content_export.h"
 
 namespace base {
 class WaitableEvent;
 }
 
@@ skipping 15 matching lines @@
 
   // Returns a list of all plug-ins that support removing LSO data. This method
   // will use cached plugin data. Call PluginService::GetPlugins() if the latest
   // data is needed.
   static void GetSupportedPlugins(std::vector<webkit::WebPluginInfo>* plugins);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_PLUGIN_DATA_REMOVER_H_