StyleRuleFoo creation helpers should return PassRef.
Created attachment 214678 [details] Patch
Comment on attachment 214678 [details] Patch Attachment 214678 [details] did not pass efl-ews (efl): Output: http://webkit-queues.appspot.com/results/6478037
Committed r157698: <http://trac.webkit.org/changeset/157698>