Add telemetry in order to learn more about how some of the mach lookup extensions are being used in the WebContent process on iOS.
<rdar://problem/61938026>
Created attachment 396769 [details] Patch
Comment on attachment 396769 [details] Patch Thanks for reviewing!
Committed r260263: <https://trac.webkit.org/changeset/260263> All reviewed patches have been landed. Closing bug and clearing flags on attachment 396769 [details].