CookieJarDB::isOnMemory is comparing the database path with :onmemory: but it should be using :memory:. https://www.sqlite.org/inmemorydb.html
Created attachment 337853 [details] Patch
Comment on attachment 337853 [details] Patch Clearing flags on attachment: 337853 Committed r230619: <https://trac.webkit.org/changeset/230619>
All reviewed patches have been landed. Closing bug.
<rdar://problem/39401261>