[front_end] Migrate to new constructor decl syntax.
(Part of https://github.com/dart-lang/sdk/issues/63288)
This change migrates the front_end package to use 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 change was performed in an automated fashion, by (a) enabling the
lints `unnecessary_type_name_in_constructor` and
`unnecessary_const_in_enum_constructor`, (b) fixing the resulting lint
failures using `dart fix`, and then (c) reformatting the affected
files.
To ease code review, I've reverted unrelated formatting changes.
Change-Id: I6b48c0f1c762c3fa132fbd79382496ca6a6a6964
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/508368
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
SLSA-Policy-Verified: SLSA Policy Verification Service <devtools-gerritcodereview-exitgate@google.com>
Commit-Queue: Paul Berry <paulberry@google.com>
Paul Berry
95b1b8d756