expose MDV addBindings

tools/dom/templates/html/impl/impl_HTMLTemplateElement.darttemplate

 // Copyright (c) 2012, 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.
 
 // WARNING: Do not edit - generated code.
 
 part of $LIBRARYNAME;
 
 @Experimental
 $(ANNOTATIONS)class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
@@ skipping 68 matching lines @@
    * By default [decorate] will be called on templates lazily when certain
    * properties such as [model] are accessed, but it can be run eagerly to
    * decorate an entire tree recursively.
    */
   // TODO(rafaelw): Review whether this is the right public API.
   @Experimental
   static void bootstrap(Node content) {
     _Bindings._bootstrapTemplatesRecursivelyFrom(content);
   }
 
+  /**
+   * Binds all mustaches recursively starting from the [root] node.
+   *
+   * Note: this is not an official Model-Driven-Views API; it is intended to
+   * support binding the [ShadowRoot]'s content to a model.
+   */
+  // TODO(jmesserly): this is needed to avoid two <template> nodes when using
+  // bindings in a custom element's template. See also:
+  // https://github.com/polymer-project/polymer/blob/master/src/bindMDV.js#L68
+  // Called from:
+  // https://github.com/polymer-project/polymer/blob/master/src/register.js#L99
+  @Experimental
+  static void bindModel(Node root, model, [CustomBindingSyntax syntax]) {
+    _Bindings._addBindings(root, model, syntax);
+  }
+
   static bool _initStyles;
 
   static void _injectStylesheet() {
     if (_initStyles == true) return;
     _initStyles = true;
 
     var style = new StyleElement();
     style.text = r'''
 template,
 thead[template],
@@ skipping 11 matching lines @@
     document.head.append(style);
   }
 
   /**
    * A mapping of names to Custom Syntax objects. See [CustomBindingSyntax] for
    * more information.
    */
   @Experimental
   static Map<String, CustomBindingSyntax> syntax = {};
 }