Standardize usage of virtual/override/final in net/

net/url_request/url_request_context_getter.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 NET_URL_REQUEST_URL_REQUEST_CONTEXT_GETTER_H_
 #define NET_URL_REQUEST_URL_REQUEST_CONTEXT_GETTER_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/sequenced_task_runner_helpers.h"
 #include "net/base/net_export.h"
@@ skipping 44 matching lines @@
 
 // For use in shimming a URLRequestContext into a URLRequestContextGetter.
 class NET_EXPORT TrivialURLRequestContextGetter
     : public URLRequestContextGetter {
 public:
   TrivialURLRequestContextGetter(
       net::URLRequestContext* context,
       const scoped_refptr<base::SingleThreadTaskRunner>& main_task_runner);
 
   // net::URLRequestContextGetter implementation:
-  virtual net::URLRequestContext* GetURLRequestContext() override;
+  net::URLRequestContext* GetURLRequestContext() override;
 
-  virtual scoped_refptr<base::SingleThreadTaskRunner>
-      GetNetworkTaskRunner() const override;
+  scoped_refptr<base::SingleThreadTaskRunner> GetNetworkTaskRunner()
+      const override;
 
 private:
-  virtual ~TrivialURLRequestContextGetter();
+ ~TrivialURLRequestContextGetter() override;
 
   net::URLRequestContext* context_;
   const scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(TrivialURLRequestContextGetter);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_CONTEXT_GETTER_H_