[package:mdv] port createInstance change

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;
 
 
 /**
  * Model-Driven Views (MDV)'s native features enables a wide-range of use cases,
@@ skipping 68 matching lines @@
    *
    * - [template]: The template element which is about to create and insert an
    *   instance.
    * - [model]: The data context for which this instance is being created.
    *
    * The template element will always use the return value of `getInstanceModel`
    * as the model for the new instance. If the syntax does not wish to override
    * the value, it should simply return the `model` value it was passed.
    */
   getInstanceModel(Element template, model) => model;
-
-  /**
-   * This syntax method allows a syntax to provide an alterate expansion of
-   * the [template] contents. When the template wants to create an instance,
-   * it will call this method with the template element.
-   *
-   * By default this will call `template.createInstance()`.
-   */
-  getInstanceFragment(Element template) => template.createInstance();

[Jennifer Messerly, 2013/06/28 01:11:05]

I removed this for now. This was me jumping the gun and adding something I
thought would be useful for https://github.com/Polymer/mdv/issues/87

but it is hard to maintain an extension like this, while the "createInstance"
method is still in flux.

 }
 
 
 @Experimental
 $(ANNOTATIONS)class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
 $!MEMBERS
 
   // For real TemplateElement use the actual DOM .content field instead of
   // our polyfilled expando.
   @Experimental
@@ skipping 192 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 = {};
 }