Standardize usage of virtual/override/final in chrome/browser/policy/

chrome/browser/policy/schema_registry_service.h

 // Copyright 2013 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_SCHEMA_REGISTRY_SERVICE_H_
 #define CHROME_BROWSER_POLICY_SCHEMA_REGISTRY_SERVICE_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "components/keyed_service/core/keyed_service.h"
 
 namespace policy {
 
 class CombinedSchemaRegistry;
 class Schema;
 class SchemaRegistry;
 
 // A KeyedService associated with a Profile that contains a SchemaRegistry.
 class SchemaRegistryService : public KeyedService {
  public:
   // This |registry| will initially contain only the |chrome_schema|, if
   // it's valid. The optional |global_registry| must outlive this, and will
   // track |registry|.
   SchemaRegistryService(scoped_ptr<SchemaRegistry> registry,
                         const Schema& chrome_schema,
                         CombinedSchemaRegistry* global_registry);
-  virtual ~SchemaRegistryService();
+  ~SchemaRegistryService() override;
 
   SchemaRegistry* registry() const { return registry_.get(); }
 
  private:
   scoped_ptr<SchemaRegistry> registry_;
 
   DISALLOW_COPY_AND_ASSIGN(SchemaRegistryService);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_SCHEMA_REGISTRY_SERVICE_H_