Batch local storage database writes using transactions.
Created attachment 431220 [details]
Comment on attachment 431220 [details]
Created attachment 431229 [details]
Created attachment 431234 [details]
Committed r278786 (238743@main): <https://commits.webkit.org/238743@main>
All reviewed patches have been landed. Closing bug and clearing flags on attachment 431234 [details].