Revert "Add some sweet XML classes."

client/tests/client/html/frog_DocumentFragmentTests.dart

Index: client/tests/client/html/frog_DocumentFragmentTests.dart
diff --git a/client/tests/client/html/frog_DocumentFragmentTests.dart b/client/tests/client/html/frog_DocumentFragmentTests.dart
deleted file mode 100644
index fa6c4bd1dd578d363fa3714597343dbd6f2d8ccc..0000000000000000000000000000000000000000
--- a/client/tests/client/html/frog_DocumentFragmentTests.dart
+++ /dev/null
@@ -1,12 +0,0 @@
-// 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.
-
-testDocumentFragment() {
-  group('constructors', () {
-    test('.xml parses input as XML', () {
-      final fragment = new DocumentFragment.xml('<a>foo</a>');
-      Expect.isTrue(fragment.elements.first is XMLElement);
-    });
-  });
-}