dcb03af9e1
Since we are no longer testing legacy mode this can be changed to be non-nullable. Change-Id: I092b24e055f8fa0f9c183477699a301ffb176660 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/337920 Reviewed-by: Mark Zhou <markzipan@google.com> Commit-Queue: Nicholas Shahan <nshahan@google.com>