Remove #pragma once from chrome/browser/policy

chrome/browser/policy/configuration_policy_handler_chromeos.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_CONFIGURATION_POLICY_HANDLER_CHROMEOS_H_
 #define CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_HANDLER_CHROMEOS_H_
-#pragma once
 
 #include "chrome/browser/chromeos/cros/network_ui_data.h"
 #include "chrome/browser/policy/configuration_policy_handler.h"
 
 namespace policy {
 
 // ConfigurationPolicyHandler for validation of the network configuration
 // policies. These actually don't set any preferences, but the handler just
 // generates error messages.
 class NetworkConfigurationPolicyHandler : public TypeCheckingPolicyHandler {
@@ skipping 36 matching lines @@
   virtual void ApplyPolicySettings(const PolicyMap& policies,
                                    PrefValueMap* prefs) OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(PinnedLauncherAppsPolicyHandler);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_HANDLER_CHROMEOS_H_