Reduce webkit CSS prefixes in ui/ styles

ui/accessibility/extensions/caretbrowsing/caretbrowsing.js

Index: ui/accessibility/extensions/caretbrowsing/caretbrowsing.js
diff --git a/ui/accessibility/extensions/caretbrowsing/caretbrowsing.js b/ui/accessibility/extensions/caretbrowsing/caretbrowsing.js
index 0d587dacbc10d83a1ecd9f090781f68327ba12d6..df99efe686c466ed93aa9cdc2fae5e61deb34a4b 100644
--- a/ui/accessibility/extensions/caretbrowsing/caretbrowsing.js
+++ b/ui/accessibility/extensions/caretbrowsing/caretbrowsing.js
@@ -404,14 +404,14 @@ CaretBrowsing.animateCaretElement = function() {
       return;
     }
     CaretBrowsing.setCaretElementNormalStyle();
-    element.style['-webkit-transition'] = 'all 0.8s ease-in';
+    element.style['transition'] = 'all 0.8s ease-in';
     function listener() {
       element.removeEventListener(
-          'webkitTransitionEnd', listener, false);
-      element.style['-webkit-transition'] = 'none';
+          'transitionend', listener, false);
+      element.style['transition'] = 'none';
     }
     element.addEventListener(
-        'webkitTransitionEnd', listener, false);
+        'transitionend', listener, false);
   }, 0);
 };