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

chrome/browser/policy/cloud/policy_header_service_factory.cc

 // 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.
 
 #include "chrome/browser/policy/cloud/policy_header_service_factory.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
@@ skipping 19 matching lines @@
 
 class PolicyHeaderServiceWrapper : public KeyedService {
  public:
   explicit PolicyHeaderServiceWrapper(scoped_ptr<PolicyHeaderService> service)
       : policy_header_service_(service.Pass()) {}
 
   PolicyHeaderService* policy_header_service() const {
     return policy_header_service_.get();
   }
 
-  virtual void Shutdown() override {
+  void Shutdown() override {
     // Shutdown our core object so it can unregister any observers before the
     // services we depend on are shutdown.
     policy_header_service_.reset();
   }
 
  private:
   scoped_ptr<PolicyHeaderService> policy_header_service_;
 };
 
 }  // namespace
@@ skipping 59 matching lines @@
                               device_store));
   return new PolicyHeaderServiceWrapper(service.Pass());
 }
 
 // static
 PolicyHeaderServiceFactory* PolicyHeaderServiceFactory::GetInstance() {
   return Singleton<PolicyHeaderServiceFactory>::get();
 }
 
 }  // namespace policy