Convert a few other WebProcess managers to be WebProcessSupplements
Created attachment 180835 [details] Patch
Comment on attachment 180835 [details] Patch Attachment 180835 [details] did not pass efl-ews (efl): Output: http://queues.webkit.org/results/15546715
Committed r138520: <http://trac.webkit.org/changeset/138520>