In the list of attribute names that an object reports, AXValue needs to be reported for PopUpButtons
Found this from investigating layout test failure in https://bugs.webkit.org/show_bug.cgi?id=103794
Created attachment 181706 [details] patch
Created attachment 181707 [details] patch
Comment on attachment 181707 [details] patch rs=me.
Thanks! http://trac.webkit.org/changeset/139077