51950ab881
A bigger version of than https://dart-review.googlesource.com/c/sdk/+/184381 This is breaking change, so we do this in steps. Change-Id: I0c7212a073b605ade56657036543c604651810c7 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/184581 Commit-Queue: Konstantin Shcheglov <scheglov@google.com> Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>