[package:mdv] port createInstance change

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

Index: tools/dom/templates/html/impl/impl_HTMLTemplateElement.darttemplate
diff --git a/tools/dom/templates/html/impl/impl_HTMLTemplateElement.darttemplate b/tools/dom/templates/html/impl/impl_HTMLTemplateElement.darttemplate
index 618df8cc3019230e948d5e0b75c51557cd6c95ca..60d498ad2ef7ae3c1c66a759bfa366acea12b572 100644
--- a/tools/dom/templates/html/impl/impl_HTMLTemplateElement.darttemplate
+++ b/tools/dom/templates/html/impl/impl_HTMLTemplateElement.darttemplate
@@ -1,4 +1,3 @@
-// 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.
 
@@ -87,15 +86,6 @@ abstract class CustomBindingSyntax {
    * 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.

 }