Cosmetic cleanups in chrome/browser/policy/

chrome/browser/policy/configuration_policy_provider_mac.h

 // Copyright (c) 2011 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_PROVIDER_MAC_H_
 #define CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_PROVIDER_MAC_H_
 #pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/policy/file_based_policy_provider.h"
-#include "chrome/browser/preferences_mac.h"
+
+class MacPreferences;
 
 namespace policy {
 
 // A provider delegate implementation that reads Mac OS X's managed preferences.
 class MacPreferencesPolicyProviderDelegate
     : public FileBasedPolicyProvider::ProviderDelegate {
  public:
   // Takes ownership of |preferences|.
   MacPreferencesPolicyProviderDelegate(
       MacPreferences* preferences,
       const ConfigurationPolicyProvider::PolicyDefinitionList* policy_list);
   virtual ~MacPreferencesPolicyProviderDelegate();
 
   // FileBasedPolicyLoader::Delegate implementation.
-  virtual DictionaryValue* Load();
-  virtual base::Time GetLastModification();
+  virtual DictionaryValue* Load() OVERRIDE;
+  virtual base::Time GetLastModification() OVERRIDE;
 
  private:
   // In order to access the application preferences API, the names and values of
   // the policies that are recognized must be known to the loader.
   // Unfortunately, we cannot get the policy list at load time from the
   // provider, because the loader may outlive the provider, so we store our own
   // pointer to the list.
   const ConfigurationPolicyProvider::PolicyDefinitionList* policy_list_;
 
   scoped_ptr<MacPreferences> preferences_;
 
   DISALLOW_COPY_AND_ASSIGN(MacPreferencesPolicyProviderDelegate);
 };
 
 // An implementation of |ConfigurationPolicyProvider| using the mechanism
 // provided by Mac OS X's managed preferences.
-class ConfigurationPolicyProviderMac
-    : public FileBasedPolicyProvider {
+class ConfigurationPolicyProviderMac : public FileBasedPolicyProvider {
  public:
   explicit ConfigurationPolicyProviderMac(
       const ConfigurationPolicyProvider::PolicyDefinitionList* policy_list);
   // For testing; takes ownership of |preferences|.
   ConfigurationPolicyProviderMac(
       const ConfigurationPolicyProvider::PolicyDefinitionList* policy_list,
       MacPreferences* preferences);
 
   DISALLOW_COPY_AND_ASSIGN(ConfigurationPolicyProviderMac);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_PROVIDER_MAC_H_