48c0eadb86
Added a few new methods to the listener, tests. Change-Id: I477a17da3fd31db04c4960effee076680db62301 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/193895 Reviewed-by: Brian Wilkerson <brianwilkerson@google.com> Commit-Queue: Konstantin Shcheglov <scheglov@google.com>