Remove #pragma once from chrome/browser/extensions

chrome/browser/extensions/api/commands/command_service_factory.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 CHROME_BROWSER_EXTENSIONS_API_COMMANDS_COMMAND_SERVICE_FACTORY_H_
 #define CHROME_BROWSER_EXTENSIONS_API_COMMANDS_COMMAND_SERVICE_FACTORY_H_
-#pragma once
 
 #include "base/memory/singleton.h"
 #include "chrome/browser/profiles/profile_keyed_service_factory.h"
 
 namespace extensions {
 class CommandService;
 }
 
 namespace extensions {
 
@@ skipping 17 matching lines @@
   virtual ProfileKeyedService* BuildServiceInstanceFor(
       Profile* profile) const OVERRIDE;
   virtual bool ServiceRedirectedInIncognito() OVERRIDE;
 
   DISALLOW_COPY_AND_ASSIGN(CommandServiceFactory);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_COMMANDS_COMMAND_SERVICE_FACTORY_H_