Remove #pragma once from chrome/browser/extensions

chrome/browser/extensions/extension_global_error.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_EXTENSION_GLOBAL_ERROR_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_GLOBAL_ERROR_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "chrome/browser/ui/global_error/global_error.h"
 #include "chrome/common/extensions/extension.h"
 
 class Browser;
 class ExtensionService;
 
 // This class encapsulates the UI we want to show users when certain events
@@ skipping 51 matching lines @@
   string16 GenerateMessageSection(const extensions::ExtensionIdSet* extensions,
                                   int template_message_id);
 
   // Generates the message displayed in the body of the alert.
   string16 GenerateMessage();
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionGlobalError);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_GLOBAL_ERROR_H_