Fix dart2js after InternetAddress change

sdk/lib/io/socket.dart

 // Copyright (c) 2013, 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.
 
 part of dart.io;
 
 
 /**
  * [InternetAddressType] is the type an [InternetAddress]. Currently,
  * IP version 4 (IPv4) and IP version 6 (IPv6) are supported.
@@ skipping 93 matching lines @@
    */
   bool get isMulticast;
 
   /**
    * Creates a new [InternetAddress] from a numeric address.
    *
    * If the address in [address] is not a numeric IPv4
    * (dotted-decimal notation) or IPv6 (hexadecimal representation).
    * address [ArgumentError] is thrown.
    */
-  factory InternetAddress(String address) =>
-      new _InternetAddress.parse(address);
+  external InternetAddress(String address);

[ngeoffray, 2013/11/20 11:57:08]

No need for factory?

[Søren Gjesse, 2013/11/20 12:02:37]

Thats what I tried first, but that fails:

sdk/lib/_internal/lib/io_patch.dart:236:9: Error: Patch return type 'dynamic'
does not match 'InternetAddress' on origin method ''.
  patch InternetAddress(String address) {
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

 
   /**
    * Perform a reverse dns lookup on the [address], creating a new
    * [InternetAddress] where the host field set to the result.
    */
   Future<InternetAddress> reverse();
 
   /**
    * Lookup a host, returning a Future of a list of
    * [InternetAddress]s. If [type] is [InternetAddressType.ANY], it
@@ skipping 400 matching lines @@
     }
     if (address != null) {
       sb.write(", address = ${address.host}");
     }
     if (port != null) {
       sb.write(", port = $port");
     }
     return sb.toString();
   }
 }