Fix sandbox violation related to Network content filtering on iOS.
<rdar://90927474>
Created attachment 455922 [details] Patch
Comment on attachment 455922 [details] Patch r=me
Comment on attachment 455922 [details] Patch Thanks for reviewing!
Committed r291982 (248941@main): <https://commits.webkit.org/248941@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 455922 [details].