Implement chrome.socket.bind/listen/accept for TCP server socket.

chrome/common/extensions/api/experimental_socket.idl

+// 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.
+
+namespace experimental.socket {
+
+  dictionary AcceptInfo {
+    // The id of the accepted socket.
+    long socketId;
+    long resultCode;
+  };
+
+  callback ListenCallback = void (long result);
+
+  callback AcceptCallback = void (AcceptInfo acceptInfo);
+
+  interface Functions {
+    // This method applies to TCP sockets only.
+    // Listens for connections on the specified port that this socket was bound
+    // to. This effectively makes this a server socket and client socket
+    // functions (connect, read, write) can no longer be used on this socket.
+    // |socketId| : The socketId.
+    // |backlog| : Length of the socket's accept queue.
+    static void listen(long socketId,
+                       long backlog,
+                       ListenCallback callback);
+
+    // This method applies to TCP sockets only.
+    // Starts waiting for connections on the listening server socket.
+    // |socketId| : The socketId.
+    // |callback| : The callback is invoked when a new socket is accepted.
+    static void accept(long socketId,
+                       AcceptCallback callback);
+  };
+
+};