Having these as public variables results in exporting symbols from the binary. As far as I can tell, there is no reason for them to be public.
Created attachment 302802 [details] proposed patch
Comment on attachment 302802 [details] proposed patch Clearing flags on attachment: 302802 Committed r213023: <http://trac.webkit.org/changeset/213023>
All reviewed patches have been landed. Closing bug.