Standardize usage of virtual/override/final in net/

net/http/http_network_layer.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_HTTP_HTTP_NETWORK_LAYER_H_
 #define NET_HTTP_HTTP_NETWORK_LAYER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 10 matching lines @@
 class HttpNetworkSession;
 
 class NET_EXPORT HttpNetworkLayer
     : public HttpTransactionFactory,
       public base::PowerObserver,
       NON_EXPORTED_BASE(public base::NonThreadSafe) {
  public:
   // Construct a HttpNetworkLayer with an existing HttpNetworkSession which
   // contains a valid ProxyService.
   explicit HttpNetworkLayer(HttpNetworkSession* session);
-  virtual ~HttpNetworkLayer();
+  ~HttpNetworkLayer() override;
 
   // Create a transaction factory that instantiate a network layer over an
   // existing network session. Network session contains some valuable
   // information (e.g. authentication data) that we want to share across
   // multiple network layers. This method exposes the implementation details
   // of a network layer, use this method with an existing network layer only
   // when network session is shared.
   static HttpTransactionFactory* CreateFactory(HttpNetworkSession* session);
 
   // Forces an alternate protocol of SPDY/3 on port 443.
   // TODO(rch): eliminate this method.
   static void ForceAlternateProtocol();
 
   // HttpTransactionFactory methods:
-  virtual int CreateTransaction(RequestPriority priority,
-                                scoped_ptr<HttpTransaction>* trans) override;
-  virtual HttpCache* GetCache() override;
-  virtual HttpNetworkSession* GetSession() override;
+  int CreateTransaction(RequestPriority priority,
+                        scoped_ptr<HttpTransaction>* trans) override;
+  HttpCache* GetCache() override;
+  HttpNetworkSession* GetSession() override;
 
   // base::PowerObserver methods:
-  virtual void OnSuspend() override;
-  virtual void OnResume() override;
+  void OnSuspend() override;
+  void OnResume() override;
 
  private:
   const scoped_refptr<HttpNetworkSession> session_;
   bool suspended_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpNetworkLayer);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_NETWORK_LAYER_H_