Remove #pragma once from chrome/browser/extensions

chrome/browser/extensions/api/declarative/rules_registry_storage_delegate.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_DECLARATIVE_RULES_REGISTRY_STORAGE_DELEGATE_H__
 #define CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_RULES_REGISTRY_STORAGE_DELEGATE_H__
-#pragma once
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
 
 #include "chrome/browser/extensions/api/declarative/rules_registry_with_cache.h"
 
 class Profile;
 
 namespace extensions {
@@ skipping 18 matching lines @@
 
  private:
   class Inner;
 
   scoped_refptr<Inner> inner_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_RULES_REGISTRY_STORAGE_DELEGATE_H__