Reduce usage of webkit CSS prefixes in chrome/browser/resources

chrome/browser/resources/supervised_user_internals.js

Index: chrome/browser/resources/supervised_user_internals.js
diff --git a/chrome/browser/resources/supervised_user_internals.js b/chrome/browser/resources/supervised_user_internals.js
index 872cec5c98760cc59e74d03cb9290293d8936af5..de5a370e2805595721a454c527411b00a1a00265 100644
--- a/chrome/browser/resources/supervised_user_internals.js
+++ b/chrome/browser/resources/supervised_user_internals.js
@@ -35,7 +35,7 @@ cr.define('chrome.supervised_user_internals', function() {
       // Note the addListener function does not end up creating duplicate
       // listeners.  There can be only one listener per event at a time.
       // See https://developer.mozilla.org/en/DOM/element.addEventListener
-      node.addEventListener('webkitAnimationEnd', clearHighlight, false);
+      node.addEventListener('animationend', clearHighlight, false);
       node.setAttribute('highlighted', '');
     }
   }