223a2db056
Also adjusts the lint implementation to avoid a few nullable types and non-null assertions. Change-Id: I4199b8ebe94842613c7d8fb322c109c28f194f21 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/388500 Commit-Queue: Samuel Rawlins <srawlins@google.com> Reviewed-by: Phil Quitslund <pquitslund@google.com> Reviewed-by: Samuel Rawlins <srawlins@google.com> Auto-Submit: Parker Lougheed <parlough@gmail.com>