Screen reader now reads the file manager selection.

chrome/browser/resources/shared/js/cr/ui/table/table_list.js

 // Copyright (c) 2012 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 This extends cr.ui.List for use in the table.
  */
 
 cr.define('cr.ui.table', function() {
   /** @const */ var List = cr.ui.List;
@@ skipping 53 matching lines @@
     /**
      * Creates a new list item.
      * @param {*} dataItem The value to use for the item.
      * @return {!ListItem} The newly created list item.
      */
     createItem: function(dataItem) {
       return this.table_.getRenderFunction().call(null, dataItem, this.table_);
     },
 
     renderFunction_: function(dataItem, table) {
+      // `This` must not be accessed here, since it may be anything, especially
+      // not a pointer to this object.
+
       var cm = table.columnModel;
       var listItem = List.prototype.createItem.call(table.list, '');
-
       listItem.className = 'table-row';
 
       for (var i = 0; i < cm.size; i++) {
         var cell = table.ownerDocument.createElement('div');
         cell.style.width = cm.getWidth(i) + '%';
         cell.className = 'table-row-cell';
         if (cm.isEndAlign(i))
           cell.style.textAlign = 'end';
         cell.appendChild(
             cm.getRenderFunction(i).call(null, dataItem, cm.getId(i), table));
 
         listItem.appendChild(cell);
       }
 
       return listItem;
     },
   };
 
   /**
    * The table associated with the list.
    * @type {cr.ui.Table}
    */
   cr.defineProperty(TableList, 'table');
 
   return {
     TableList: TableList
   };
 });