Add missing argument to Element.setAttribute() calls

chrome/browser/resources/file_manager/foreground/js/file_table.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.
 
 'use strict';
 
 /**
  * Namespace for utility functions.
  */
 var filelist = {};
@@ skipping 965 matching lines @@
      */
     get: function() {
       return this.hasAttribute('selected');
     },
 
     /**
      * @this {ListItem}
      */
     set: function(v) {
       if (v)
-        this.setAttribute('selected');
+        this.setAttribute('selected', '');
       else
         this.removeAttribute('selected');
       var checkBox = this.querySelector('input.file-checkbox');
       if (checkBox)
         checkBox.checked = !!v;
     }
   });
 };
 
 /**
@@ skipping 30 matching lines @@
     // crbug.com/246611.
   }
 
   if (driveProps.customIconUrl) {
     var iconDiv = li.querySelector('.detail-icon');
     if (!iconDiv)
       return;
     iconDiv.style.backgroundImage = 'url(' + driveProps.customIconUrl + ')';
   }
 };