852b72b65e
This change adds option --protobuf-tree-shaker to enable protobuf tree shaker transformation in gen_kernel and Fuchsia kernel compiler. Protobuf tree shaker requires closed world and only works with --aot and --tfa. Change-Id: I9fcc7934624f2d11f9b04215f1a81367f8ec82e6 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/98781 Reviewed-by: Martin Kustermann <kustermann@google.com> Reviewed-by: Sigurd Meldgaard <sigurdm@google.com> Commit-Queue: Alexander Markov <alexmarkov@google.com>