base::Bind: Convert Socket::Read.

net/udp/udp_client_socket.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_SOCKET_UDP_CLIENT_SOCKET_H_
 #define NET_SOCKET_UDP_CLIENT_SOCKET_H_
 #pragma once
 
 #include "net/base/net_log.h"
 #include "net/base/rand_callback.h"
 #include "net/udp/datagram_client_socket.h"
 #include "net/udp/udp_socket.h"
 
 namespace net {
 
 class BoundNetLog;
 
 // A client socket that uses UDP as the transport layer.
 class NET_EXPORT_PRIVATE UDPClientSocket : public DatagramClientSocket {
  public:
   UDPClientSocket(DatagramSocket::BindType bind_type,
                   const RandIntCallback& rand_int_cb,
                   net::NetLog* net_log,
                   const net::NetLog::Source& source);
   virtual ~UDPClientSocket();
 
-  // Implement DatagramClientSocket:
+  // DatagramClientSocket implementation.
   virtual int Connect(const IPEndPoint& address) OVERRIDE;
   virtual int Read(IOBuffer* buf, int buf_len,
                    OldCompletionCallback* callback) OVERRIDE;
+  virtual int Read(IOBuffer* buf, int buf_len,
+                   const CompletionCallback& callback) OVERRIDE;
   virtual int Write(IOBuffer* buf, int buf_len,
                     OldCompletionCallback* callback) OVERRIDE;
   virtual void Close() OVERRIDE;
   virtual int GetPeerAddress(IPEndPoint* address) const OVERRIDE;
   virtual int GetLocalAddress(IPEndPoint* address) const OVERRIDE;
   virtual bool SetReceiveBufferSize(int32 size) OVERRIDE;
   virtual bool SetSendBufferSize(int32 size) OVERRIDE;
   virtual const BoundNetLog& NetLog() const OVERRIDE;
 
  private:
   UDPSocket socket_;
   DISALLOW_COPY_AND_ASSIGN(UDPClientSocket);
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_UDP_CLIENT_SOCKET_H_