Updating todomvc for some polymer changes

pkg/polymer/lib/src/instance.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 polymer;
 
 /**
  * Use this annotation to publish a field as an attribute. For example:
  *
  *     class MyPlaybackElement extends PolymerElement {
@@ skipping 414 matching lines @@
     _unbindLog.info('[$localName] cancelUnbindAll');
     if (_unbindAllJob != null) {
       _unbindAllJob.stop();
       _unbindAllJob = null;
     }
 
     // cancel unbinding our shadow tree iff we're not in the process of
     // cascading our tree (as we do, for example, when the element is inserted).
     if (preventCascade == true) return;
     _forNodeTree(shadowRoot, (n) {
-      if (n is PolymerElement) {
-        (n as PolymerElement).cancelUnbindAll();
+      if (n is Polymer) {
+        (n as Polymer).cancelUnbindAll();
       }
     });
   }
 
   static void _unbindNodeTree(Node node) {
     _forNodeTree(node, (node) => node.unbindAll());
   }
 
   static void _forNodeTree(Node node, void callback(Node node)) {
     if (node == null) return;
@@ skipping 98 matching lines @@
   // TODO(jmesserly): replace with something more localized, like:
   // @ComputedField('myModel.path.to.otherProp');
   NodeBinding bindProperty(Symbol name, Object model, String path) =>
       // apply Polymer two-way reference binding
       _bindProperties(this, name, model, path);
 
   /**
    * bind a property in A to a path in B by converting A[property] to a
    * getter/setter pair that accesses B[...path...]
    */
-  static NodeBinding _bindProperties(PolymerElement inA, Symbol inProperty,
+  static NodeBinding _bindProperties(Polymer inA, Symbol inProperty,
         Object inB, String inPath) {
 
     if (_bindLog.isLoggable(Level.INFO)) {
       _bindLog.info('[$inB]: bindProperties: [$inPath] to '
           '[${inA.localName}].[$inProperty]');
     }
 
     // Dart note: normally we only reach this code when we know it's a
     // property, but if someone uses bindProperty directly they might get a
     // NoSuchMethodError either from the getField below, or from the setField
@@ skipping 294 matching lines @@
 // model@path. We can't replicate this in Dart so we do the next best thing:
 // listen to changes on both sides and update the values.
 // TODO(jmesserly): our approach leads to race conditions in the bindings.
 // See http://code.google.com/p/dart/issues/detail?id=13567
 class _PolymerBinding extends NodeBinding {
   final InstanceMirror _target;
   final Symbol _property;
   StreamSubscription _sub;
   Object _lastValue;
 
-  _PolymerBinding(PolymerElement node, Symbol property, model, path)
+  _PolymerBinding(Polymer node, Symbol property, model, path)
       : _target = reflect(node),
         _property = property,
         super(node, MirrorSystem.getName(property), model, path) {
 
     _sub = node.changes.listen(_propertyValueChanged);
   }
 
   void close() {
     if (closed) return;
     _sub.cancel();
@@ skipping 49 matching lines @@
 /**
  * Base class for PolymerElements deriving from HtmlElement.
  *
  * See [Polymer].
  */
 class PolymerElement extends HtmlElement with Polymer, ObservableMixin {
   PolymerElement.created() : super.created() {
     polymerCreated();
   }
 }