Remove #pragma once from chrome/browser/extensions

chrome/browser/extensions/extensions_startup.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_EXTENSIONS_STARTUP_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSIONS_STARTUP_H_
-#pragma once
 
 #include "base/memory/ref_counted.h"
 #include "chrome/browser/extensions/pack_extension_job.h"
 
 class CommandLine;
 class Profile;
 
 // Initialization helpers for various Extension startup actions.
 class ExtensionsStartupUtil : public PackExtensionJob::Client {
  public:
@@ skipping 15 matching lines @@
   bool UninstallExtension(const CommandLine& cmd_line, Profile* profile);
 
  private:
   scoped_refptr<PackExtensionJob> pack_job_;
   bool pack_job_succeeded_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionsStartupUtil);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSIONS_STARTUP_H_