Update HTMLSelectElement::recalcListItems() to ignore nested optgroup elements. As per the specification, we only want optgroup elements that are direct children of the select element.
(In reply to comment #1)
> test case:
Created attachment 291410 [details]
Comment on attachment 291410 [details]
Clearing flags on attachment: 291410
Committed r207276: <http://trac.webkit.org/changeset/207276>
All reviewed patches have been landed. Closing bug.