Ask LocalStorage database to free as much memory as possible on memory pressure.
Created attachment 427161 [details] Patch
Comment on attachment 427161 [details] Patch r=me
Committed r276648 (237075@main): <https://commits.webkit.org/237075@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 427161 [details].
<rdar://problem/77219966>