Use WordLock instead of std::mutex for Threading
Created attachment 339094 [details] Patch
Created attachment 339097 [details] Patch
Comment on attachment 339097 [details] Patch r=me
Comment on attachment 339097 [details] Patch Thank you!
Comment on attachment 339097 [details] Patch Clearing flags on attachment: 339097 Committed r231158: <https://trac.webkit.org/changeset/231158>
All reviewed patches have been landed. Closing bug.
<rdar://problem/39839649>