Enable parsing of IPv6 form addresse (see rfc2373 and rfc2732).

utils/tests/testrunner/http_client_tests/http_client_test.dart

Index: utils/tests/testrunner/http_client_tests/http_client_test.dart
diff --git a/utils/tests/testrunner/http_client_tests/http_client_test.dart b/utils/tests/testrunner/http_client_tests/http_client_test.dart
index b43b4c1f186861cf6da132a5abd87a036684a8bd..b46745a22e42ac471de84bd804607872a14d92a1 100644
--- a/utils/tests/testrunner/http_client_tests/http_client_test.dart
+++ b/utils/tests/testrunner/http_client_tests/http_client_test.dart
@@ -13,7 +13,7 @@ main() {
   var get = (String what, int code, String text) {
     var c = new Completer();
     HttpClient client = new HttpClient();
-    client.getUrl(new Uri.fromString("http://127.0.0.1:3456/$what"))
+    client.getUrl(Uri.parse("http://127.0.0.1:3456/$what"))
     .then((HttpClientRequest request) {
       // Prepare the request then call close on it to send it.
       return request.close();