Update {virtual,override,final} to follow C++11 style.

components/policy/core/common/policy_provider_android.h

 // Copyright 2014 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 COMPONENTS_POLICY_CORE_COMMON_POLICY_PROVIDER_ANDROID_H_
 #define COMPONENTS_POLICY_CORE_COMMON_POLICY_PROVIDER_ANDROID_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "components/policy/core/common/configuration_policy_provider.h"
 
 namespace policy {
 
 class PolicyProviderAndroidDelegate;
 class Schema;
 
 // Provider for policies set by the Android platform.
 class POLICY_EXPORT PolicyProviderAndroid : public ConfigurationPolicyProvider {
  public:
   PolicyProviderAndroid();
-  virtual ~PolicyProviderAndroid();
+  ~PolicyProviderAndroid() override;
 
   // Call this method to tell the policy system whether it should wait for
   // policies to be loaded by this provider. If this method is called,
   // IsInitializationComplete() will only return true after SetPolicies() has
   // been called at least once, otherwise it will return true immediately.
   static void SetShouldWaitForPolicy(bool should_wait_for_policy);
 
   // Returns the schema for Chrome policies.
   const Schema* GetChromeSchema() const;
 
   void SetDelegate(PolicyProviderAndroidDelegate* delegate);
   void SetPolicies(scoped_ptr<PolicyBundle> policy);
 
   // ConfigurationPolicyProvider:
-  virtual void Shutdown() override;
-  virtual bool IsInitializationComplete(PolicyDomain domain) const override;
-  virtual void RefreshPolicies() override;
+  void Shutdown() override;
+  bool IsInitializationComplete(PolicyDomain domain) const override;
+  void RefreshPolicies() override;
 
  private:
   PolicyProviderAndroidDelegate* delegate_;
   bool initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(PolicyProviderAndroid);
 };
 
 }  // namespace policy
 
 #endif  // COMPONENTS_POLICY_CORE_COMMON_POLICY_PROVIDER_ANDROID_H_