ntp4: add app context menu

chrome/browser/resources/shared/js/cr/ui/context_menu_handler.js

 // Copyright (c) 2010 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.
 
 cr.define('cr.ui', function() {
 
-  const positionPopupAtPoint = cr.ui.positionPopupAtPoint;
   const Menu = cr.ui.Menu;
 
   /**
    * Handles context menus.
    * @constructor
    */
   function ContextMenuHandler() {}
 
   ContextMenuHandler.prototype = {
 
@@ skipping 70 matching lines @@
                        element.getRectForContextMenu() :
                        element.getBoundingClientRect();
         var offset = Math.min(rect.width, rect.height) / 2;
         x = rect.left + offset;
         y = rect.top + offset;
       } else {
         x = e.clientX;
         y = e.clientY;
       }
 
-      positionPopupAtPoint(x, y, menu);
+      cr.ui.positionPopupAtPoint(x, y, menu);
     },
 
     /**
      * Handles event callbacks.
      * @param {!Event} e The event object.
      */
     handleEvent: function(e) {
       // Keep track of keydown state so that we can use that to determine the
       // reason for the contextmenu event.
       switch (e.type) {
@@ skipping 108 matching lines @@
    * The singleton context menu handler.
    * @type {!ContextMenuHandler}
    */
   var contextMenuHandler = new ContextMenuHandler;
 
   // Export
   return {
     contextMenuHandler: contextMenuHandler
   };
 });