Add base class to get WeakPtrFactory member and avoid some boilerplate code.
Created attachment 342216 [details] Patch
Created attachment 342219 [details] Patch
Comment on attachment 342219 [details] Patch Nice cleanup!
Comment on attachment 342219 [details] Patch Clearing flags on attachment: 342219 Committed r232613: <https://trac.webkit.org/changeset/232613>
All reviewed patches have been landed. Closing bug.
<rdar://problem/40922716>
Committed r232615: <https://trac.webkit.org/changeset/232615>