Port DocumentFragment to the new wrapperless DOM.

client/html/generated/html/interface/DocumentFragment.dart

Index: client/html/generated/html/interface/DocumentFragment.dart
diff --git a/client/html/generated/html/interface/DocumentFragment.dart b/client/html/generated/html/interface/DocumentFragment.dart
index e363adcbf73b03283c00e236cb5765317effdc95..0d9fab8cc0e8cee5652292f984616fe65884625b 100644
--- a/client/html/generated/html/interface/DocumentFragment.dart
+++ b/client/html/generated/html/interface/DocumentFragment.dart
@@ -2,11 +2,22 @@
 // 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.
 
-// WARNING: Do not edit - generated code.
+interface DocumentFragment extends Element default _DocumentFragmentFactoryProvider {
+
+  DocumentFragment();
+
+  DocumentFragment.html(String html);
+
+  // TODO(nweiz): enable these when XML and/or SVG are ported
+  // /** WARNING: Currently this doesn't work on Dartium (issue 649). */
+  // DocumentFragment.xml(String xml);
+  // DocumentFragment.svg(String svg);
+
+  DocumentFragment clone(bool deep);
 
-interface DocumentFragment extends Node, NodeSelector {
 
   ElementEvents get on();
 
   Element query(String selectors);
+
 }