base::Bind: Convert net/proxy.

net/proxy/dhcp_proxy_script_fetcher.cc

 // 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.
 
 #include "net/proxy/dhcp_proxy_script_fetcher.h"
 
 #include "net/base/net_errors.h"
 
 namespace net {
 
 DhcpProxyScriptFetcher::DhcpProxyScriptFetcher() {
 }
 
 DhcpProxyScriptFetcher::~DhcpProxyScriptFetcher() {
 }
 
 std::string DhcpProxyScriptFetcher::GetFetcherName() const {
   return "";
 }
 
 DoNothingDhcpProxyScriptFetcher::DoNothingDhcpProxyScriptFetcher() {
 }
 
 DoNothingDhcpProxyScriptFetcher::~DoNothingDhcpProxyScriptFetcher() {
 }
 
-int DoNothingDhcpProxyScriptFetcher::Fetch(string16* utf16_text,
-                                           OldCompletionCallback* callback) {
+int DoNothingDhcpProxyScriptFetcher::Fetch(
+    string16* utf16_text, const CompletionCallback& callback) {
   return ERR_NOT_IMPLEMENTED;
 }
 
 void DoNothingDhcpProxyScriptFetcher::Cancel() {
 }
 
 const GURL& DoNothingDhcpProxyScriptFetcher::GetPacURL() const {
   return gurl_;
 }
 
 }  // namespace net