The assert ASSERT(::IsWindow(m_runLoopMessageWindow)) under RunLoop::RunLoop, has been observed to fail.
Created attachment 407198 [details] Patch
Created attachment 407203 [details] Patch
Created attachment 407212 [details] Patch
Created attachment 407217 [details] Patch
<rdar://problem/67508358>
Comment on attachment 407217 [details] Patch R=me
(In reply to Brent Fulgham from comment #6) > Comment on attachment 407217 [details] > Patch > > R=me Thanks for reviewing!
Committed r266145: <https://trac.webkit.org/changeset/266145> All reviewed patches have been landed. Closing bug and clearing flags on attachment 407217 [details].