f0933ab69e
This copies the const_finder visitor from the Flutter SDK to the Dart SDK to avoid having source code dependency on package:kernel in the Flutter repository. Change-Id: I76f98453c1650e63623708a9f4860d80ab4b25aa Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/326645 Reviewed-by: Christopher Fujino <fujino@google.com> Commit-Queue: Johnni Winther <johnniwinther@google.com> Reviewed-by: William Hesse <whesse@google.com>