tree 58b651ebd968d7c0a6246ecca51cb8ab32ee597c
parent 938db6db6501d75f3ad5bce4f6735ed86bf51f47
author mstaib <mstaib@google.com> 1556067362 -0700
committer Copybara-Service <copybara-worker@google.com> 1556067440 -0700

Weave the trimming cache into Skyframe, but do not use it yet.

Final preparations for the retroactive trimming prototype.

Progress on #6524.

PiperOrigin-RevId: 244960626