There are some Mac specific includes that are not required anymore.
Created attachment 334447 [details] Patch
Created attachment 334448 [details] Patch
Comment on attachment 334448 [details] Patch Clearing flags on attachment: 334448 Committed r228923: <https://trac.webkit.org/changeset/228923>
All reviewed patches have been landed. Closing bug.
<rdar://problem/37792630>