Use modern Hasher in ContentExtensionsActions.
Created attachment 453136 [details] Patch
I cancelled https://ews-build.webkit.org/#/builders/68/builds/9129 to speed up ios-wk2 queue. It already finished running layout-tests and the failures looked pre-existing, please have a look though.
Committed r290514 (247798@main): <https://commits.webkit.org/247798@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 453136 [details].
<rdar://problem/89477909>