Change the signature for all network bind calls.

tests/standalone/io/http_body_test.dart

Index: tests/standalone/io/http_body_test.dart
diff --git a/tests/standalone/io/http_body_test.dart b/tests/standalone/io/http_body_test.dart
index b0f5f7390119a06d967e668aa643336ffb5a71e3..b036da2fe2db7cf7ecef30d165ea2e0593f1df38 100644
--- a/tests/standalone/io/http_body_test.dart
+++ b/tests/standalone/io/http_body_test.dart
@@ -13,7 +13,7 @@ void testHttpClientResponseBody() {
             dynamic expectedBody,
             String type,
             [bool shouldFail = false]) {
-    HttpServer.bind().then((server) {
+    HttpServer.bind("127.0.0.1", 0).then((server) {
       server.listen((request) {
         request.listen(
             (_) {},
@@ -91,7 +91,7 @@ void testHttpServerRequestBody() {
             dynamic expectedBody,
             String type,
             [bool shouldFail = false]) {
-    HttpServer.bind().then((server) {
+    HttpServer.bind("127.0.0.1", 0).then((server) {
       server.transform(new HttpBodyHandler())
           .listen((body) {
             if (shouldFail) Expect.fail("Error expected");