Standardize usage of virtual/override/final specifiers.

components/ownership/owner_settings_service.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_OWNERSHIP_OWNER_SETTINGS_SERVICE_H_
 #define COMPONENTS_OWNERSHIP_OWNER_SETTINGS_SERVICE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 41 matching lines @@
   };
 
   typedef base::Callback<void(
       scoped_ptr<enterprise_management::PolicyFetchResponse> policy_response)>
       AssembleAndSignPolicyAsyncCallback;
 
   typedef base::Callback<void(bool is_owner)> IsOwnerCallback;
 
   explicit OwnerSettingsService(
       const scoped_refptr<ownership::OwnerKeyUtil>& owner_key_util);
-  virtual ~OwnerSettingsService();
+  ~OwnerSettingsService() override;
 
   base::WeakPtr<OwnerSettingsService> as_weak_ptr() {
     return weak_factory_.GetWeakPtr();
   }
 
   void AddObserver(Observer* observer);
 
   void RemoveObserver(Observer* observer);
 
   // Returns whether current user is owner or not. When this method
@@ skipping 59 matching lines @@
 
  private:
   base::WeakPtrFactory<OwnerSettingsService> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(OwnerSettingsService);
 };
 
 }  // namespace ownership
 
 #endif  // COMPONENTS_OWNERSHIP_OWNER_SETTINGS_SERVICE_H_