Remove deprecated Resource class from dart:core.

tests/html/resource_http_test.dart

Index: tests/html/resource_http_test.dart
diff --git a/tests/html/resource_http_test.dart b/tests/html/resource_http_test.dart
deleted file mode 100644
index 042e8b395b0856b463a8fe9573d8e8548d7ba172..0000000000000000000000000000000000000000
--- a/tests/html/resource_http_test.dart
+++ /dev/null
@@ -1,41 +0,0 @@
-// Copyright (c) 2015, 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.
-
-library resource_http_test;
-import 'dart:async';
-import 'package:unittest/html_individual_config.dart';
-import 'package:unittest/unittest.dart';
-
-main() {
-  useHtmlIndividualConfiguration();
-  // Cache blocker is a workaround for:
-  // https://code.google.com/p/dart/issues/detail?id=11834
-  var cacheBlocker = new DateTime.now().millisecondsSinceEpoch;
-  var url = '/root_dart/tests/html/resource_data.txt?cacheBlock=$cacheBlocker';
-
-  void validateResponse(data) {
-    expect(data, equals('This file was read by a Resource!'));
-  }
-
-  group('resource', () {
-    test('readAsString', () async {
-      Resource r = new Resource(url);
-      var data = await r.readAsString();
-      validateResponse(data);
-    });
-    test('readAsBytes', () async {
-      Resource r = new Resource(url);
-      var data = await r.readAsBytes();
-      validateResponse(new String.fromCharCodes(data));
-    });
-    test('openRead', () async {
-      Resource r = new Resource(url);
-      var bytes = [];
-      await for (var b in r.openRead()) {
-        bytes.addAll(b);
-      }
-      validateResponse(new String.fromCharCodes(bytes));
-    });
-  });
-}