Standardize usage of virtual/override/final in components/

components/policy/core/browser/autofill_policy_handler.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_BROWSER_AUTOFILL_POLICY_HANDLER_H_
 #define COMPONENTS_POLICY_CORE_BROWSER_AUTOFILL_POLICY_HANDLER_H_
 
 #include "components/policy/core/browser/configuration_policy_handler.h"
 #include "components/policy/policy_export.h"
 
 namespace policy {
 
 // ConfigurationPolicyHandler for the AutofillEnabled policy.
 class POLICY_EXPORT AutofillPolicyHandler : public TypeCheckingPolicyHandler {
  public:
   AutofillPolicyHandler();
-  virtual ~AutofillPolicyHandler();
+  ~AutofillPolicyHandler() override;
 
   // ConfigurationPolicyHandler methods:
-  virtual void ApplyPolicySettings(const PolicyMap& policies,
-                                   PrefValueMap* prefs) override;
+  void ApplyPolicySettings(const PolicyMap& policies,
+                           PrefValueMap* prefs) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AutofillPolicyHandler);
 };
 
 }  // namespace policy
 
 #endif  // COMPONENTS_POLICY_CORE_BROWSER_AUTOFILL_POLICY_HANDLER_H_