Standardize usage of virtual/override/final in content/browser/

content/browser/service_worker/service_worker_request_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 CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REQUEST_HANDLER_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REQUEST_HANDLER_H_
 
 #include "base/basictypes.h"
 #include "base/memory/weak_ptr.h"
 #include "base/supports_user_data.h"
@@ skipping 58 matching lines @@
   // Creates a protocol interceptor for ServiceWorker.
   static scoped_ptr<net::URLRequestInterceptor> CreateInterceptor(
       ResourceContext* resource_context);
 
   // Returns true if the request falls into the scope of a ServiceWorker.
   // It's only reliable after the ServiceWorkerRequestHandler MaybeCreateJob
   // method runs to completion for this request. The AppCache handler uses
   // this to avoid colliding with ServiceWorkers.
   static bool IsControlledByServiceWorker(net::URLRequest* request);
 
-  virtual ~ServiceWorkerRequestHandler();
+  ~ServiceWorkerRequestHandler() override;
 
   // Called via custom URLRequestJobFactory.
   virtual net::URLRequestJob* MaybeCreateJob(
       net::URLRequest* request,
       net::NetworkDelegate* network_delegate,
       ResourceContext* context) = 0;
 
   virtual void GetExtraResponseInfo(
       bool* was_fetched_via_service_worker,
       bool* was_fallback_required_by_service_worker,
@@ skipping 15 matching lines @@
   base::WeakPtr<storage::BlobStorageContext> blob_storage_context_;
   ResourceType resource_type_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerRequestHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REQUEST_HANDLER_H_