b924d754c5
Using only a parsed file meant we didn't get any "unused import" hints, which meant the unused imports were not removed. Change-Id: Id5c24ac59f38885d08756747ef9165102ad54388 Reviewed-on: https://dart-review.googlesource.com/c/86884 Reviewed-by: Brian Wilkerson <brianwilkerson@google.com> Commit-Queue: Danny Tuppeny <dantup@google.com>