We should provide a default HSTS storage directory in case the client is not.
<rdar://problem/98432266>
Pull request: https://github.com/WebKit/WebKit/pull/3180
Committed 253331@main (96a8ca8ed98d): <https://commits.webkit.org/253331@main> Reviewed commits have been landed. Closing PR #3180 and removing active labels.
Re-opening for pull request https://github.com/WebKit/WebKit/pull/4805
Committed 255016@main (32681d4afe10): <https://commits.webkit.org/255016@main> Reviewed commits have been landed. Closing PR #4805 and removing active labels.