7d1e512a4a
Simplifies many reporting cases in the linter package. It also effectively maps more completely the current DiagnosticReporter API. Change-Id: Ie4a2ca6aa28d9fefd6c90f6bf8d20553ad19732a Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/481163 Commit-Queue: Samuel Rawlins <srawlins@google.com> Reviewed-by: Brian Wilkerson <brianwilkerson@google.com> Reviewed-by: Konstantin Shcheglov <scheglov@google.com>