tree 643b4d0af13e52586b2a691bff0e24826cfe3677
parent 202c506873d8bbfa801851f599c2481308ac6549
author Herb Derby <herb@google.com> 1655992849 -0400
committer SkCQ <skcq-be@skia-corp.google.com.iam.gserviceaccount.com> 1655995109 +0000

Use std::nullopt instead of {} in SubRunContainer

Change-Id: I31ffecf0634b4f31751671f50e04ee7b2af5dbdb
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/551893
Commit-Queue: Herb Derby <herb@google.com>
Reviewed-by: John Stiles <johnstiles@google.com>