DocumentThreadableLoader should send credentials after redirections and preflight if fetch option credentials is include
Created attachment 336346 [details] Patch
Created attachment 336351 [details] Patch
Submitted web-platform-tests pull request: https://github.com/w3c/web-platform-tests/pull/10151
Comment on attachment 336351 [details] Patch Clearing flags on attachment: 336351 Committed r229907: <https://trac.webkit.org/changeset/229907>
All reviewed patches have been landed. Closing bug.
<rdar://problem/38799773>