Port of github.com/polymer/polymer.

samples/third_party/todomvc/web/todo_row.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.
 
-library todo_row;
+library todomvc.web.todo_row;
 
 import 'package:polymer/polymer.dart';
 import 'model.dart';
 
 @CustomTag('todo-row')
-class TodoRow extends PolymerElement with ObservableMixin {
-  @observable Todo todo;
+class TodoRow extends PolymerElement {
+  @published Todo todo;
 
   bool get applyAuthorStyles => true;
 
-  // TODO(sigmund,terry): bring back scoped-css polyfills
-
   void created() {
     super.created();
     var root = getShadowRoot("todo-row");
     var label = root.query('#label').xtag;
     var item = root.query('.todo-item');
 
     bindCssClass(item, 'completed', this, 'todo.done');
     bindCssClass(item, 'editing', label, 'editing');
   }
 
   void removeTodo() => appModel.todos.remove(todo);
 }