Rename mdv -> template_binding, remove experiemntal apis from dart:html

pkg/polymer_expressions/test/globals_test.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.
 
 import 'dart:html';
 
-import 'package:mdv/mdv.dart' as mdv;
 import 'package:observe/observe.dart';
 import 'package:observe/src/microtask.dart';
 import 'package:polymer_expressions/polymer_expressions.dart';
+import 'package:template_binding/template_binding.dart';
 import 'package:unittest/unittest.dart';
 import 'package:unittest/html_enhanced_config.dart';
 
 main() {
-  mdv.initialize();
   useHtmlEnhancedConfiguration();
 
   var testDiv;
   group('enumerate', () {
     setUp(() {
       testDiv = new Element.html('''
           <div id="test">
             <template bind>
               <template repeat="{{entry in this | enumerate}}">
                 <div>Item {{ entry.index }} is {{ entry.value }}</div>
               </template>
             </template>
           </div>''');
       document.body.nodes.add(testDiv);
     });
 
     tearDown(() {
-      testDiv..unbindAll()..remove();
+      nodeBind(testDiv).unbindAll();
+      testDiv.remove();
       testDiv = null;
     });
 
     test('should enumerate item and index', wrapMicrotask(() {
-      testDiv.query('template')
+      templateBind(testDiv.query('template'))
           ..bindingDelegate = new PolymerExpressions()
           ..model = toObservable(
               ['hello', 'from', 'polymer', 'expressions']);
 
       performMicrotaskCheckpoint();
 
       expect(testDiv.queryAll('div').map((n) => n.text), [
         'Item 0 is hello',
         'Item 1 is from',
         'Item 2 is polymer',
         'Item 3 is expressions',
       ]);
     }));
   });
 }