Not sure if it's Mac specific (OSX 10.8.4), but I can see it with Chrome 28 in both LTR and RTL, although RTL is more severe since it's hiding the first letter of every new line:
This is Mac specific. That scrollbar should go away once your find-dialogue is gone and you're not scrolling. This is since they made scrollbars like in iOS in OS X 10.7 Lion.