abc6f1e378
Not actual migration, uses null asserts. Should be made safe as part of implementation in linter. Bug: https://github.com/dart-lang/sdk/issues/61701 Bug: https://github.com/dart-lang/sdk/issues/62055 Change-Id: I08f709b9f9c74dbab1b41c4e12ed498135450531 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/463465 Reviewed-by: Samuel Rawlins <srawlins@google.com> Reviewed-by: Brian Wilkerson <brianwilkerson@google.com> Commit-Queue: Konstantin Shcheglov <scheglov@google.com>