We don't have a fully built-out GPU Process yet. Let's not lock down the syscall filter set until we know which are actually needed by the process. The current set is just copied over from the WebContent process, and are not likely to be the correct set.
<rdar://problem/58080834>
Created attachment 386109 [details] Patch
Committed r253761: <https://trac.webkit.org/changeset/253761>