Roll Observatory deps (charted -> ^0.3.0)

packages/usage/test/web_test.dart

 // 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.
 
+@TestOn("browser")
 library usage.web_test;
 
 import 'dart:async';
 
-import 'package:grinder/src/webtest.dart';
+import 'package:test/test.dart';
 import 'package:usage/src/usage_impl_html.dart';
-import 'package:unittest/unittest.dart';
 
 import 'hit_types_test.dart' as hit_types_test;
+import 'usage_impl_test.dart' as usage_impl_test;
 import 'usage_test.dart' as usage_test;
-import 'usage_impl_test.dart' as usage_impl_test;
 import 'uuid_test.dart' as uuid_test;
 
 void main() {
-  // Set up the test environment.
-  WebTestConfiguration.setupTestEnvironment();
-
   // Define the tests.
   hit_types_test.defineTests();
   usage_test.defineTests();
   usage_impl_test.defineTests();
   uuid_test.defineTests();
 
   // Define some web specfic tests.
   defineWebTests();
 }
 
@@ skipping 32 matching lines @@
 
   Future request(String url, {String method, String sendData}) {
     expect(url, isNotEmpty);
     expect(method, isNotEmpty);
     expect(sendData, isNotEmpty);
 
     sendCount++;
     return new Future.value();
   }
 }