Standardize usage of virtual/override/final in components/

components/policy/core/common/policy_service.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 COMPONENTS_POLICY_CORE_COMMON_POLICY_SERVICE_H_
 #define COMPONENTS_POLICY_CORE_COMMON_POLICY_SERVICE_H_
 
 #include <map>
 #include <string>
 
@@ skipping 70 matching lines @@
   typedef base::Callback<void(const base::Value*,
                               const base::Value*)> UpdateCallback;
 
   // Observes updates to the given (domain, component_id) namespace in the given
   // |policy_service|, and notifies |observer| whenever any of the registered
   // policy keys changes. Both the |policy_service| and the |observer| must
   // outlive |this|.
   PolicyChangeRegistrar(PolicyService* policy_service,
                         const PolicyNamespace& ns);
 
-  virtual ~PolicyChangeRegistrar();
+  ~PolicyChangeRegistrar() override;
 
   // Will invoke |callback| whenever |policy_name| changes its value, as long
   // as this registrar exists.
   // Only one callback can be registed per policy name; a second call with the
   // same |policy_name| will overwrite the previous callback.
   void Observe(const std::string& policy_name, const UpdateCallback& callback);
 
   // Implementation of PolicyService::Observer:
-  virtual void OnPolicyUpdated(const PolicyNamespace& ns,
-                               const PolicyMap& previous,
-                               const PolicyMap& current) override;
+  void OnPolicyUpdated(const PolicyNamespace& ns,
+                       const PolicyMap& previous,
+                       const PolicyMap& current) override;
 
  private:
   typedef std::map<std::string, UpdateCallback> CallbackMap;
 
   PolicyService* policy_service_;
   PolicyNamespace ns_;
   CallbackMap callback_map_;
 
   DISALLOW_COPY_AND_ASSIGN(PolicyChangeRegistrar);
 };
 
 }  // namespace policy
 
 #endif  // COMPONENTS_POLICY_CORE_COMMON_POLICY_SERVICE_H_