Reimplements net::AddressList without struct addrinfo.

net/curvecp/client_packetizer.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_CURVECP_CLIENT_PACKETIZER_H_
 #define NET_CURVECP_CLIENT_PACKETIZER_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 67 matching lines @@
   int ReadPackets();
 
   // Callback when an internal IO is completed.
   void OnIOComplete(int result);
 
   StateType next_state_;
   scoped_ptr<UDPClientSocket> socket_;
   Packetizer::Listener* listener_;
   CompletionCallback user_callback_;
   AddressList addresses_;
-  const struct addrinfo* current_address_;
+  int current_address_index_;
   int hello_attempts_;  // Number of attempts to send a Hello Packet.
   bool initiate_sent_;  // Indicates whether the Initiate Packet was sent.
 
   scoped_refptr<IOBuffer> read_buffer_;  // Buffer for internal reads.
 
   uchar shortterm_public_key_[32];
 
   CompletionCallback io_callback_;
   base::WeakPtrFactory<ClientPacketizer> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ClientPacketizer);
 };
 
 }  // namespace net
 
 #endif  // NET_CURVECP_CLIENT_PACKETIZER_H_