After r270035, mach-lookup of 'com.apple.webinspector' can be denied in the WebContent process on macOS.
<rdar://problem/60932734>
Created attachment 415104 [details] Patch
Created attachment 415155 [details] Patch
I did not add a test for this, since the result will depend on whether the Safari Develop menu is enabled.
Comment on attachment 415155 [details] Patch Thanks for reviewing!
Committed r270326: <https://trac.webkit.org/changeset/270326> All reviewed patches have been landed. Closing bug and clearing flags on attachment 415155 [details].
This caused service workers to no longer be inspectable. I filed https://bugs.webkit.org/show_bug.cgi?id=220406.