ColorSync on macOS has not used shared memory since Mac OS X 10.7, and our sandbox should not have this access. Removing this unused shared memory capability.
<rdar://problem/70354916>
Created attachment 412773 [details] Patch
Comment on attachment 412773 [details] Patch R=me.
Committed r269254: <https://trac.webkit.org/changeset/269254> All reviewed patches have been landed. Closing bug and clearing flags on attachment 412773 [details].