Implement parts of the Mojo TCP interfaces.

mojo/services/public/interfaces/network/tcp_bound_socket.mojom

 // Copyright 2014 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.
 
 import "mojo/services/public/interfaces/network/net_address.mojom"
 import "mojo/services/public/interfaces/network/network_error.mojom"
-import "mojo/services/public/interfaces/network/tcp_client_socket.mojom"
+import "mojo/services/public/interfaces/network/tcp_connected_socket.mojom"
 import "mojo/services/public/interfaces/network/tcp_server_socket.mojom"
 
 module mojo {
 
 // Represents a TCP socket that is bound to a local address and port, but
 // is not yet in a listening or connected state.
 //
 // A bound socket can be used to create a server socket listening on the
 // local address, or it can be used to create a client socket by connecting to
-// a remote host.
+// a remote host. Once StartListening or Connect is called on the bound socket,
+// ownership of the underlying socket will be transferred to the connected or
+// server socket, and the bound socket may be closed.
 interface TCPBoundSocket {
   // Puts the socket into server mode, awaiting incoming connections.
   //
   // Once this function is called, neither StartListening nor Connect can be
   // used on this socket again.
-  StartListening(TCPServerSocket& server);
+  StartListening(TCPServerSocket& server) => (NetworkError result);
 
   // Puts this socket into client mode by connecting to a remote host. If you
   // do not care about the local address or port, you can call
-  // NetworkService.CreateTCPClientSocket to connect directly and skip the
+  // NetworkService.CreateTCPConnectedSocket to connect directly and skip the
   // "bound" state.
   //
   // Once this function is called, neither StartListening nor Connect can be
   // used on this socket again.
   Connect(NetAddress remote_address,
           handle<data_pipe_consumer> send_stream,
           handle<data_pipe_producer> receive_stream,
-          TCPClientSocket& client_socket)
+          TCPConnectedSocket& client_socket)
       => (NetworkError result);
 };
 
 }