I was thinking that the decision not to ship with Chrome was very old news, but actually it was just two years ago [1]. Time flies!
Dart for the web is purely a compile-to-JavaScript language now. The last bit will be replacing Dartium with DDC [2].
The Dart VM is still around. It's used in Dart's command-line tools and in Flutter. Also, the Sass compiler is moving from Ruby to Dart. [3]
[1] https://techcrunch.com/2015/03/25/google-will-not-integrate-... [2] http://news.dartlang.org/2017/06/dart-124-faster-edit-refres... [3] http://sass.logdown.com/posts/1909151