Stop blocking the worker thread in WorkerMessagePortChannelProvider::postMessageToRemote().
Created attachment 386008 [details] Patch for EWS
Makes fast/workers/worker-cloneport.html run in half the time on my machine.
Created attachment 386026 [details] Patch
Comment on attachment 386026 [details] Patch Clearing flags on attachment: 386026 Committed r253751: <https://trac.webkit.org/changeset/253751>
All reviewed patches have been landed. Closing bug.
<rdar://problem/58078946>
*** Bug 205357 has been marked as a duplicate of this bug. ***