Cosmetic cleanups in chrome/browser/policy/

chrome/browser/policy/asynchronous_policy_provider.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_ASYNCHRONOUS_POLICY_PROVIDER_H_
 #define CHROME_BROWSER_POLICY_ASYNCHRONOUS_POLICY_PROVIDER_H_
 #pragma once
 
 #include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
 #include "base/threading/non_thread_safe.h"
 #include "chrome/browser/policy/configuration_policy_provider.h"
 
 namespace policy {
 
 class AsynchronousPolicyLoader;
 
 // Policy provider that loads policy asynchronously. Providers should subclass
 // from this class if loading the policy requires disk access or must for some
 // other reason be performed on the file thread. The actual logic for loading
@@ skipping 11 matching lines @@
     virtual DictionaryValue* Load() = 0;
   };
 
   // Assumes ownership of |loader|.
   AsynchronousPolicyProvider(
       const PolicyDefinitionList* policy_list,
       scoped_refptr<AsynchronousPolicyLoader> loader);
   virtual ~AsynchronousPolicyProvider();
 
   // ConfigurationPolicyProvider implementation.
-  virtual bool Provide(PolicyMap* map);
+  virtual bool Provide(PolicyMap* map) OVERRIDE;
 
   // For tests to trigger reloads.
   scoped_refptr<AsynchronousPolicyLoader> loader();
 
  protected:
   // The loader object used internally.
   scoped_refptr<AsynchronousPolicyLoader> loader_;
 
  private:
   // ConfigurationPolicyProvider overrides:
-  virtual void AddObserver(ConfigurationPolicyProvider::Observer* observer);
-  virtual void RemoveObserver(ConfigurationPolicyProvider::Observer* observer);
+  virtual void AddObserver(ConfigurationPolicyProvider::Observer* observer)
+      OVERRIDE;
+  virtual void RemoveObserver(ConfigurationPolicyProvider::Observer* observer)
+      OVERRIDE;
 
   DISALLOW_COPY_AND_ASSIGN(AsynchronousPolicyProvider);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_ASYNCHRONOUS_POLICY_PROVIDER_H_