This was removed in <https://trac.webkit.org/changeset/243666> :(
<rdar://problem/49439417>
Created attachment 366324 [details] Patch
This is so you can plug in your old iPhone into a new Mac and it works?
s/it/inspecting/
(In reply to Myles C. Maxfield from comment #3) > This is so you can plug in your old iPhone into a new Mac and inspecting works? Yup! I think this will only "happen" for iOS 12 (maybe just iOS 12.2), but it's something we want to support nonetheless.
Comment on attachment 366324 [details] Patch r=me
Comment on attachment 366324 [details] Patch Clearing flags on attachment: 366324 Committed r243718: <https://trac.webkit.org/changeset/243718>
All reviewed patches have been landed. Closing bug.