base::Bind: Convert ServerSocket::Accept.

net/socket/server_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_SERVER_SOCKET_H_
 #define NET_SOCKET_SERVER_SOCKET_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "net/base/completion_callback.h"
 #include "net/base/net_export.h"
@@ skipping 11 matching lines @@
   // Bind the socket and start listening. Destroy the socket to stop
   // listening.
   virtual int Listen(const net::IPEndPoint& address, int backlog) = 0;
 
   // Gets current address the socket is bound to.
   virtual int GetLocalAddress(IPEndPoint* address) const = 0;
 
   // Accept connection. Callback is called when new connection is
   // accepted.
   virtual int Accept(scoped_ptr<StreamSocket>* socket,
-                     OldCompletionCallback* callback) = 0;
+                     const CompletionCallback& callback) = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ServerSocket);
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_SERVER_SOCKET_H_