As we have WebsiteData with type Credentials.
Created attachment 372482 [details] Patch
Comment on attachment 372482 [details] Patch r=me
Comment on attachment 372482 [details] Patch Clearing flags on attachment: 372482 Committed r246608: <https://trac.webkit.org/changeset/246608>
All reviewed patches have been landed. Closing bug.
<rdar://problem/51910768>