Update charted to 0.4.8 and roll

packages/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.
- */
+/// 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. */
+  /// The base url from which we read the data.
   String url;
   HttpRequestDataReader(this.url);
 
   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;
     var request = new HttpRequest();
     request.timeout = 5000;
-    return _getString('$url$locale.json?cacheBlocker=$someNumber', request)
+    return _getString('$url$locale.json', request)
         .then((r) => r.responseText);
   }
 
   /// Read a string with the given request. This is a stripped down copy
   /// of HttpRequest getString, but was the simplest way I could find to
   /// issue a request with a timeout.
   Future<HttpRequest> _getString(String url, HttpRequest xhr) {
     var completer = new Completer<HttpRequest>();
     xhr.open('GET', url, async: true);
     xhr.onLoad.listen((e) {
       // Note: file:// URIs have status of 0.
       if ((xhr.status >= 200 && xhr.status < 300) ||
           xhr.status == 0 ||
           xhr.status == 304) {
         completer.complete(xhr);
       } else {
         completer.completeError(e);
       }
     });
 
     xhr.onError.listen(completer.completeError);
     xhr.send();
 
     return completer.future;
   }
 }