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

chrome/browser/ui/webui/options/options_browsertest.js

Index: chrome/browser/ui/webui/options/options_browsertest.js
diff --git a/chrome/browser/ui/webui/options/options_browsertest.js b/chrome/browser/ui/webui/options/options_browsertest.js
index bbb019fea0d1f2675009f26c54794cacd111358d..916d00cee4d8c4ab8b9ba0c4edfb1469f9b05981 100644
--- a/chrome/browser/ui/webui/options/options_browsertest.js
+++ b/chrome/browser/ui/webui/options/options_browsertest.js
@@ -128,7 +128,7 @@ function waitUntilHidden(targets) {
 
   document.addEventListener('webkitTransitionEnd', function f(e) {
     if (targets.indexOf(e.target) >= 0 && targets.every(isHidden)) {
-      document.removeEventListener(f, 'webkitTransitionEnd');
+      document.removeEventListener('webkitTransitionEnd', f);
       testDone();
     }
   });