Change the signature for all network bind calls.

tests/standalone/io/http_session_test.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.
 
 import "package:expect/expect.dart";
 import 'dart:async';
 import 'dart:io';
 
 const SESSION_ID = "DARTSESSID";
 
@@ skipping 19 matching lines @@
       }
       return request.close();
     })
     .then((response) {
       return response.fold(getSessionId(response.cookies), (v, _) => v);
     });
 }
 
 void testSessions(int sessionCount) {
   var client = new HttpClient();
-  HttpServer.bind().then((server) {
+  HttpServer.bind("127.0.0.1", 0).then((server) {
     var sessions = new Set();
     server.listen((request) {
       sessions.add(request.session.id);
       request.response.close();
     });
 
     var futures = [];
     for (int i = 0; i < sessionCount; i++) {
       futures.add(connectGetSession(client, server.port).then((session) {
         Expect.isNotNull(session);
         Expect.isTrue(sessions.contains(session));
         return connectGetSession(client, server.port, session).then((session2) {
           Expect.equals(session2, session);
           Expect.isTrue(sessions.contains(session2));
           return session2;
         });
       }));
     }
     Future.wait(futures).then((clientSessions) {
       Expect.equals(sessions.length, sessionCount);
       Expect.setEquals(new Set.from(clientSessions), sessions);
       server.close();
       client.close();
     });
   });
 }
 
 void testTimeout(int sessionCount) {
   var client = new HttpClient();
-  HttpServer.bind().then((server) {
+  HttpServer.bind("127.0.0.1", 0).then((server) {
     server.sessionTimeout = 0;
     var timeouts = [];
     server.listen((request) {
       var c = new Completer();
       timeouts.add(c.future);
       request.session.onTimeout = () {
         c.complete(null);
       };
       request.response.close();
     });
@@ skipping 15 matching lines @@
         Future.wait(futures).then((_) {
           server.close();
           client.close();
         });
       });
     });
   });
 }
 
 void testSessionsData() {
-  HttpServer.bind().then((server) {
+  HttpServer.bind("127.0.0.1", 0).then((server) {
     bool firstHit = false;
     bool secondHit = false;
     server.listen((request) {
       var c = new Completer();
       var session = request.session;
       if (session.isNew) {
         Expect.isFalse(firstHit);
         Expect.isFalse(secondHit);
         firstHit = true;
         session["data"] = "some data";
@@ skipping 31 matching lines @@
         });
       });
   });
 }
 
 void main() {
   testSessions(1);
   testTimeout(5);
   testSessionsData();
 }