189f25b873
(Part of https://github.com/dart-lang/sdk/issues/63288) This change makes the code generators in the front_end package emit code that uses the new constructor declaration syntax, described in https://github.com/dart-lang/language/blob/main/accepted/future-releases/primary-constructors/feature-specification.md#abbreviations-of-in-body-constructor-declarations. This avoids the need for `ignore_for_file:` comments and gives us a bit more testing of the new feature. Change-Id: Ica5c13018a286cd274dba2cf946304446a6a6964 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/507200 Reviewed-by: Johnni Winther <johnniwinther@google.com> Commit-Queue: Paul Berry <paulberry@google.com>