Reverted utils.dart

Author: seifibrahim32

pkgs/http/test/html/utils.dart

@@ -0,0 +1,11 @@
+// Copyright (c) 2014, 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:web/web.dart' show window;
+
+export '../utils.dart';
+
+/// The test server's echo URL.
+Uri get echoUrl =>
+    Uri.parse('${window.location.protocol}//${window.location.host}/echo');