Based on telemetry, remove shared memory access in the GPU process' sandbox on iOS.
<rdar://problem/85163103>
Created attachment 443571 [details] Patch
Comment on attachment 443571 [details] Patch r=me
Committed r285563 (244071@main): <https://commits.webkit.org/244071@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 443571 [details].