Fix WeakPtrFactory members in chromeos/

chromeos/network/dhcp_proxy_script_fetcher_chromeos.h

 // Copyright (c) 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.
 
 #ifndef CHROMEOS_NETWORK_DHCP_PROXY_SCRIPT_FETCHER_CHROMEOS_H_
 #define CHROMEOS_NETWORK_DHCP_PROXY_SCRIPT_FETCHER_CHROMEOS_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop_proxy.h"
@@ skipping 26 matching lines @@
   virtual std::string GetFetcherName() const override;
 
  private:
   void ContinueFetch(base::string16* utf16_text,
                      net::CompletionCallback callback,
                      std::string pac_url);
 
   net::URLRequestContext* url_request_context_;  // Weak ptr
   scoped_ptr<net::ProxyScriptFetcher> proxy_script_fetcher_;
   scoped_refptr<base::MessageLoopProxy> network_handler_message_loop_;
-  base::WeakPtrFactory<DhcpProxyScriptFetcherChromeos> weak_ptr_factory_;
 
   GURL pac_url_;
 
+  base::WeakPtrFactory<DhcpProxyScriptFetcherChromeos> weak_ptr_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(DhcpProxyScriptFetcherChromeos);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_NETWORK_DHCP_PROXY_SCRIPT_FETCHER_CHROMEOS_H_