5baa4af7d8
This adds the 'views' feature flag together with parser support for 'view class'. If the feature is not enabled, an error is reported. TEST=pkg/front_end/parser_testcases/views/... Change-Id: I813ac86a0e7de9f0a5729c6d7ae35b82d1258ae5 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/265780 Commit-Queue: Johnni Winther <johnniwinther@google.com> Reviewed-by: Alexander Markov <alexmarkov@google.com> Reviewed-by: Konstantin Shcheglov <scheglov@google.com> Reviewed-by: Jens Johansen <jensj@google.com> Reviewed-by: William Hesse <whesse@google.com>