Add mock auto source for testing.
<rdar://problem/29993915>
Created attachment 298699 [details] Proposed patch.
Created attachment 298730 [details] Updated patch.
Created attachment 298732 [details] Updated patch.
Created attachment 298746 [details] Updated patch.
Comment on attachment 298746 [details] Updated patch. Clearing flags on attachment: 298746 Committed r210742: <http://trac.webkit.org/changeset/210742>
All reviewed patches have been landed. Closing bug.