- Fix outdated use of factory clause.

bin/socket.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-interface ServerSocket factory _ServerSocket {
+interface ServerSocket default _ServerSocket {
   /*
    * Constructs a new server socket, binds it to a given address and port,
    * and listens on it.
    */
   ServerSocket(String bindAddress, int port, int backlog);
 
   /*
    * The connection handler gets called when there is a new incoming
    * connection on the socket.
    */
   void set connectionHandler(void callback(Socket connection));
 
   /*
    * The error handler gets called when a socket error occurs.
    */
   void set errorHandler(void callback());
 
   /*
    * Returns the port used by this socket.
    */
   int get port();
 
   /*
    * Closes the socket.
    */
   void close();
 }
 
 
-interface Socket factory _Socket {
+interface Socket default _Socket {
   /*
    * Constructs a new socket and connects it to the given host on the given
    * port.
    */
   Socket(String host, int port);
 
   /*
    * Returns the number of received and non-read bytes in the socket that
    * can be read.
    */
@@ skipping 72 matching lines @@
 
 class SocketIOException implements Exception {
   const SocketIOException([String this.message = ""]);
   String toString() => "SocketIOException: $message";
 
   /*
    * Contains the exception message.
    */
   final String message;
 }