https://bugs.webkit.org/show_bug.cgi?id=102567 set the task priority to zero for WebKit2 processes on Mac. This is no longer necessary and hence the code should be removed.
<rdar://problem/13011664>
Created attachment 191090 [details] Patch
Comment on attachment 191090 [details] Patch Clearing flags on attachment: 191090 Committed r144528: <http://trac.webkit.org/changeset/144528>
All reviewed patches have been landed. Closing bug.