Fix dart2js after InternetAddress change

runtime/bin/socket_patch.dart

Index: runtime/bin/socket_patch.dart
diff --git a/runtime/bin/socket_patch.dart b/runtime/bin/socket_patch.dart
index 49fca7986e6744b6ae40c12f1a0c81357d327760..789dd001399664a3632d3f8e33467a49e198f5bb 100644
--- a/runtime/bin/socket_patch.dart
+++ b/runtime/bin/socket_patch.dart
@@ -36,6 +36,10 @@ patch class InternetAddress {
     return _InternetAddress.ANY_IP_V6;
   }
 
+  /* patch */ factory InternetAddress(String address) {
+    return new _InternetAddress.parse(address);
+  }
+
   /* patch */ static Future<List<InternetAddress>> lookup(
       String host, {InternetAddressType type: InternetAddressType.ANY}) {
     return _NativeSocket.lookup(host, type: type);