Revert "Converting Polymer and TemplateElement to use deprecated Node.document"

pkg/mdv/lib/src/input_bindings.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.
 
 part of mdv;
 
 abstract class _InputBinding extends NodeBinding {
   StreamSubscription _eventSub;
 
   _InputBinding(node, name, model, path): super(node, name, model, path) {
@@ skipping 96 matching lines @@
   static Iterable _getAssociatedRadioButtons(element) {
     if (!_isNodeInDocument(element)) return [];
     if (element.form != null) {
       return element.form.nodes.where((el) {
         return el != element &&
             el is InputElement &&
             el.type == 'radio' &&
             el.name == element.name;
       });
     } else {
-      var radios = element.document.queryAll(
+      var radios = element.ownerDocument.queryAll(
           'input[type="radio"][name="${element.name}"]');
       return radios.where((el) => el != element && el.form == null);
     }
   }
 
   // TODO(jmesserly): polyfill document.contains API instead of doing it here
   static bool _isNodeInDocument(Node node) {
     // On non-IE this works:
     // return node.ownerDocument.contains(node);
     var document = node.document;
@@ skipping 49 matching lines @@
 
   // TODO(jmesserly,sigmund): I wonder how many bindings typically convert from
   // one type to another (e.g. value-as-number) and whether it is useful to
   // have something like a int/num binding converter (either as a base class or
   // a wrapper).
   static int _toInt(value) {
     if (value is String) return int.parse(value, onError: (_) => null);
     return value is int ? value : null;
   }
 }