Also macOS has the Mach bootstrap sandbox extension.
Pull request: https://github.com/WebKit/WebKit/pull/10733
<rdar://problem/106291955>
Committed 261310@main (f2a535bcb341): <https://commits.webkit.org/261310@main> Reviewed commits have been landed. Closing PR #10733 and removing active labels.
Re-opened since this is blocked by bug 253653
Pull request: https://github.com/WebKit/WebKit/pull/11307
Committed 261478@main (86a68721d5a9): <https://commits.webkit.org/261478@main> Reviewed commits have been landed. Closing PR #11307 and removing active labels.