Part of removing webkitpy's autoinstaller in favor of webkitcorepy's.
<rdar://problem/66931291>
Created attachment 409368 [details] Patch
Comment on attachment 409368 [details] Patch rs=me
Created attachment 409892 [details] Patch
Committed r267710: <https://trac.webkit.org/changeset/267710> All reviewed patches have been landed. Closing bug and clearing flags on attachment 409892 [details].
Reopening to attach new patch.
Created attachment 409965 [details] Patch
Committed r267728: <https://trac.webkit.org/changeset/267728> All reviewed patches have been landed. Closing bug and clearing flags on attachment 409965 [details].