For specific sandbox mach lookup rules in the WebContent process, add telemetry with backtrace.
Created attachment 390284 [details] Patch
<rdar://problem/59322376>
Created attachment 390655 [details] Patch
Comment on attachment 390655 [details] Patch r=me
(In reply to Brent Fulgham from comment #4) > Comment on attachment 390655 [details] > Patch > > r=me Thanks for reviewing!
Committed r256740: <https://trac.webkit.org/changeset/256740/webkit>