81003d8147
* ensures extension member completions get added for mixins * restructures and adds tests Change-Id: I525450584b05e485027e46d775423e6d6f9f8e99 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/132030 Reviewed-by: Brian Wilkerson <brianwilkerson@google.com> Commit-Queue: Phil Quitslund <pquitslund@google.com>