Remove #pragma once from chrome/browser/extensions

chrome/browser/extensions/updater/safe_manifest_parser.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_UPDATER_SAFE_MANIFEST_PARSER_H_
 #define CHROME_BROWSER_EXTENSIONS_UPDATER_SAFE_MANIFEST_PARSER_H_
-#pragma once
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/extensions/updater/manifest_fetch_data.h"
 #include "chrome/common/extensions/update_manifest.h"
 #include "content/public/browser/utility_process_host_client.h"
 
 namespace extensions {
@@ skipping 31 matching lines @@
   // Should be accessed only on UI thread.
   scoped_ptr<ManifestFetchData> fetch_data_;
   UpdateCallback update_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(SafeManifestParser);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_UPDATER_SAFE_MANIFEST_PARSER_H_