These two: fast/forms/select-popup-pagekeys.html fast/forms/select/menulist-onchange-fired-with-key-up-down.html are failing since r105253. Looks like there was a confusion in the name of the function that GTK Render Theme needs to implement.
Created attachment 122942 [details] Patch
hmmm I guess I forgot the OVERRIDE
Comment on attachment 122942 [details] Patch yep
Committed r105286: <http://trac.webkit.org/changeset/105286>
*** Bug 76531 has been marked as a duplicate of this bug. ***