Delete a bunch of packages that are now on GitHub.

pkg/path/test/browser_test.dart

-// Copyright (c) 2013, 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 'dart:html';
-
-import 'package:unittest/unittest.dart';
-import 'package:unittest/html_config.dart';
-import 'package:path/path.dart' as path;
-
-main() {
-  useHtmlConfiguration();
-
-  group('new Context()', () {
-    test('uses the window location if root and style are omitted', () {
-      var context = new path.Context();
-      expect(context.current,
-             Uri.parse(window.location.href).resolve('.').toString());
-    });
-
-    test('uses "." if root is omitted', () {
-      var context = new path.Context(style: path.Style.platform);
-      expect(context.current, ".");
-    });
-
-    test('uses the host platform if style is omitted', () {
-      var context = new path.Context();
-      expect(context.style, path.Style.platform);
-    });
-  });
-
-  test('Style.platform is url', () {
-    expect(path.Style.platform, path.Style.url);
-  });
-
-  test('current', () {
-    expect(path.current,
-           Uri.parse(window.location.href).resolve('.').toString());
-  });
-}