[Aura] Initial app list webui.

chrome/browser/resources/ntp4/trash.js

 // Copyright (c) 2011 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 Trash
  * This is the class for the trash can that appears when dragging an app.
  */
 
 cr.define('ntp4', function() {
   'use strict';
 
   function Trash(trash) {
     trash.__proto__ = Trash.prototype;
     trash.initialize();
     return trash;
   }
 
   Trash.prototype = {
     __proto__: HTMLDivElement.prototype,
 
     initialize: function(element) {
-      this.dragWrapper_ = new DragWrapper(this, this);
+      this.dragWrapper_ = new cr.ui.DragWrapper(this, this);
     },
 
     /**
      * Determines whether we are interested in the drag data for |e|.
      * @param {Event} e The event from drag enter.
      * @return {bool}
      */
     shouldAcceptDrag: function(e) {
       var tile = ntp4.getCurrentlyDraggingTile();
       if (!tile)
@@ skipping 40 matching lines @@
     doDragLeave: function(e) {
       ntp4.getCurrentlyDraggingTile().dragClone.classList.remove(
           'hovering-on-trash');
     },
   };
 
   return {
     Trash: Trash,
   };
 });