Workaround for bug 11834 with Chrome XHR

pkg/intl/lib/src/http_request_data_reader.dart

 // Copyright (c) 2012, 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.
 
 /**
  * This contains a reader that accesses data using the HttpRequest
  * facility, and thus works only in the web browser.
  */
 
 library http_request_data_reader;
 
 import 'dart:async';
 import 'dart:html';
 import 'intl_helpers.dart';
 
 class HTTPRequestDataReader implements LocaleDataReader {
 
   /** The base url from which we read the data. */
   String url;
   HTTPRequestDataReader(this.url);
 
-  Future read(String locale) => HttpRequest.getString('$url$locale.json');
+  Future read(String locale) {
+    // TODO(alanknight): Remove this once it's not necessary for Chrome.
+    // Without it, the tests will be flaky on Chrome. Issue 11834.
+    var someNumber = new DateTime.now().millisecondsSinceEpoch;
+    return HttpRequest.getString('$url$locale.json?cacheBlocker=$someNumber');
+  }
 }