expose MDV addBindings

tests/html/template_element_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.
 
 library template_element_test;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:html';
 import 'dart:math' as math;
@@ skipping 1302 matching lines @@
     if (ShadowRoot.supported) {
       var root = createShadowTestHtml(
           '<template bind="{{}}">Hi {{ name }}</template>');
       var model = toSymbolMap({'name': 'Leela'});
       recursivelySetTemplateModel(root, model);
       deliverChanges(model);
       expect(root.nodes[1].text, 'Hi Leela');
     }
   });
 
+  test('BindShadowDOM bindModel', () {
+    if (ShadowRoot.supported) {
+      var root = createShadowTestHtml('Hi {{ name }}');
+      var model = toSymbolMap({'name': 'Leela'});
+      TemplateElement.bindModel(root, model);
+      deliverChangeRecords();
+      expect(root.text, 'Hi Leela');
+    }
+  });
+
+  test('bindModel to polyfilled shadow root', () {
+    var root = createTestHtml('Hi {{ name }}');
+    var model = toSymbolMap({'name': 'Leela'});
+    TemplateElement.bindModel(root, model);
+    deliverChangeRecords();
+    expect(root.text, 'Hi Leela');
+  });
+
   // https://github.com/toolkitchen/mdv/issues/8
   test('UnbindingInNestedBind', () {
     var div = createTestHtml(
       '<template bind="{{outer}}" if="{{outer}}" syntax="testHelper">'
         '<template bind="{{inner}}" if="{{inner}}">'
           '{{ age }}'
         '</template>'
       '</template>');
 
     var syntax = new UnbindingInNestedBindSyntax();
@@ skipping 161 matching lines @@
       result[k] = _deepToSymbol(v);
     });
     return result;
   }
   if (value is Iterable) {
     return value.map(_deepToSymbol).toList();
   }
   return value;
 }