More type safety
Created attachment 346999 [details] patch
Created attachment 347003 [details] patch
Created attachment 347004 [details] patch
Created attachment 347008 [details] patch
Created attachment 347009 [details] patch
Comment on attachment 347009 [details] patch Clearing flags on attachment: 347009 Committed r234801: <https://trac.webkit.org/changeset/234801>
All reviewed patches have been landed. Closing bug.
<rdar://problem/43233710>