MD WebUI: Move history-lazy-render into cr-elements

ui/webui/resources/cr_elements/cr_lazy_render/cr_lazy_render.js

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview
- * history-lazy-render is a simple variant of dom-if designed for lazy rendering
+ * cr-lazy-render is a simple variant of dom-if designed for lazy rendering
  * of elements that are accessed imperatively.
  * Usage:
- *   <template is="history-lazy-render" id="menu">
+ *   <template is="cr-lazy-render" id="menu">
  *     <heavy-menu></heavy-menu>
  *   </template>
  *
  *   this.$.menu.get().then(function(menu) {
  *     menu.show();
  *   });
  */
 
+/**
+ * A template instance created by Polymer.Templatizer.
+ * @constructor
+ * @extends {PolymerElement}
+ */
+var TemplateInstance = function() {};
+
+/** @type {Array<Element>} */
+TemplateInstance.prototype._children;
+
+/**
+ * @param {string} prop
+ * @param {Object} value
+ * @param {boolean} quiet
+ */
+TemplateInstance.prototype.__setProperty = function(prop, value, quiet) {};
+
+/**
+ * @param {string} path
+ * @param {Object} value
+ * @param {boolean} quiet
+ */
+TemplateInstance.prototype._notifyPath = function(path, value, quiet) {};

[Dan Beam, 2016/09/14 20:34:39]

can we push these into here?
https://github.com/google/closure-compiler/blob/master/contrib/externs/polyme...

[tsergeant, 2016/09/15 04:58:55]

I'll do you one better, and follow-up with a CL to remove the need for these at
all

(by switching the usage of Templatizer to be more like iron-list and less like
dom-repeat)

+
 Polymer({
-  is: 'history-lazy-render',
+  is: 'cr-lazy-render',
   extends: 'template',
 
   behaviors: [
     Polymer.Templatizer
   ],
 
   /** @private {Promise<Element>} */
   _renderPromise: null,
 
   /** @private {TemplateInstance} */
@@ skipping 55 matching lines @@
 
   /**
    * @param {string} path
    * @param {Object} value
    */
   _forwardParentPath: function(path, value) {
     if (this._instance)
       this._instance._notifyPath(path, value, true);
   }
 });