tree f1359a802c6c2acda92dfc88da9c1186652cd112
parent f939cb79f65a372de972910f9d9af507c5558023
author John Cater <jcater@google.com> 1591823781 -0700
committer Copybara-Service <copybara-worker@google.com> 1591823848 -0700

Add the ToolchainContextKey to dependency chain classes.

TODOs mark where this will be set and used.

Part of work on toolchain transitions, #10523.

Closes #11575.

PiperOrigin-RevId: 315766282