Use open source HTTPSUpgrade database until the feature is ready.
<rdar://problem/47838224>
Created attachment 363025 [details] Patch
Comment on attachment 363025 [details] Patch r=me
Comment on attachment 363025 [details] Patch Clearing flags on attachment: 363025 Committed r242139: <https://trac.webkit.org/changeset/242139>
All reviewed patches have been landed. Closing bug.