Add OVERRIDE to net/.

net/http/http_auth_filter.h

 // Copyright (c) 2011 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_AUTH_FILTER_H_
 #define NET_HTTP_HTTP_AUTH_FILTER_H_
 #pragma once
 
 #include <list>
 #include <string>
@@ skipping 29 matching lines @@
 
   // Adds an individual URL |filter| to the list, of the specified |target|.
   bool AddFilter(const std::string& filter, HttpAuth::Target target);
 
   // Adds a rule that bypasses all "local" hostnames.
   void AddRuleToBypassLocal();
 
   const ProxyBypassRules& rules() const { return rules_; }
 
   // HttpAuthFilter methods:
-  virtual bool IsValid(const GURL& url, HttpAuth::Target target) const;
+  virtual bool IsValid(const GURL& url, HttpAuth::Target target) const OVERRIDE;
 
  private:
   // Installs the whitelist.
   // |server_whitelist| is parsed by ProxyBypassRules.
   void SetWhitelist(const std::string& server_whitelist);
 
   // We are using ProxyBypassRules because they have the functionality that we
   // want, but we are not using it for proxy bypass.
   ProxyBypassRules rules_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpAuthFilterWhitelist);
 };
 
 }   // namespace net
 
 #endif  // NET_HTTP_HTTP_AUTH_FILTER_H_