424ae5c7ef
Delete some outdated comments and use a set literal. Change-Id: I60885c1fea5d4d94ce5a405e195ffeaf97e521a4 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/128313 Reviewed-by: Sigmund Cherem <sigmund@google.com> Commit-Queue: Stephen Adams <sra@google.com>