Really connect to the same server in FTP network transaction.

net/socket_stream/socket_stream.cc

 // Copyright (c) 2010 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.
 //
 // TODO(ukai): code is similar with http_network_transaction.cc.  We should
 //   think about ways to share code, if possible.
 
 #include "net/socket_stream/socket_stream.h"
 
 #include <string>
@@ skipping 234 matching lines @@
   host_resolver_ = host_resolver;
 }
 
 void SocketStream::SetClientSocketFactory(
     ClientSocketFactory* factory) {
   DCHECK(factory);
   factory_ = factory;
 }
 
 void SocketStream::CopyAddrInfo(struct addrinfo* head) {
-  addresses_.Copy(head);
+  addresses_.Copy(head, true);
 }
 
 int SocketStream::DidEstablishConnection() {
   if (!socket_.get() || !socket_->IsConnected()) {
     next_state_ = STATE_CLOSE;
     return ERR_CONNECTION_FAILED;
   }
   next_state_ = STATE_READ_WRITE;
   metrics_->OnConnected();
 
@@ skipping 683 matching lines @@
   return context_->proxy_service();
 }
 
 void SocketStream::GetInfoForTracker(
     RequestTracker<SocketStream>::RecentRequestInfo* info) const {
   info->original_url = url_;
   info->load_log = load_log_;
 }
 
 }  // namespace net