43db6c6ba8
This prepares for adding id-test support in ddc. Change-Id: I96d35b06e5e32f464cd487dc852ec114064afc9d Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/334161 Commit-Queue: Johnni Winther <johnniwinther@google.com> Reviewed-by: Jens Johansen <jensj@google.com>