Remove #pragma once from chrome/browser/policy

chrome/browser/policy/cloud_policy_provider.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_POLICY_CLOUD_POLICY_PROVIDER_H_
 #define CHROME_BROWSER_POLICY_CLOUD_POLICY_PROVIDER_H_
-#pragma once
 
 #include <set>
 
 #include "base/basictypes.h"
 #include "chrome/browser/policy/cloud_policy_cache_base.h"
 #include "chrome/browser/policy/configuration_policy_provider.h"
 
 namespace policy {
 
 class BrowserPolicyConnector;
@@ skipping 56 matching lines @@
   // Used to determine when updates due to a RefreshPolicies() call have been
   // completed.
   std::set<const CloudPolicyCacheBase*> pending_updates_;
 
   DISALLOW_COPY_AND_ASSIGN(CloudPolicyProvider);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_CLOUD_POLICY_PROVIDER_H_