The second argument of add/removeEventListener should be an object, null, or undefined

chrome/test/data/webui/print_preview.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.
 
 GEN('#include "base/feature_list.h"');
 GEN('#include "chrome/common/chrome_features.h"');
 
 /**
  * Test fixture for print preview WebUI testing.
  * @constructor
@@ skipping 141 matching lines @@
   },
 
   /**
    * Even though animation duration and delay is set to zero, it is necessary to
    * wait until the animation has finished.
    */
   waitForAnimationToEnd: function(elementId) {
     // add a listener for the animation end event
     document.addEventListener('webkitAnimationEnd', function f(e) {
       if (e.target.id == elementId) {
-        document.removeEventListener(f, 'webkitAnimationEnd');
+        document.removeEventListener('webkitAnimationEnd', f);
         testDone();
       }
     });
   },
 
   /**
    * Expand the 'More Settings' div to expose all options.
    */
   expandMoreSettings: function() {
     var moreSettings = $('more-settings');
@@ skipping 1055 matching lines @@
   // appears.
   var advancedSettingsCloseButton = $('advanced-settings').
       querySelector('.close-button');
   checkElementDisplayed(advancedSettingsCloseButton, true);
   checkElementDisplayed($('advanced-settings').
       querySelector('.search-box-area'), true);
 
   this.waitForAnimationToEnd('more-settings');
 });