editor:auto-indent mis-indents constructor initializer list

[turnidge]

In the following program:

class Foo {
  var _bar;

  Foo(var fjkldsjflkdjfkldsjfdlsjfkldsjlkfjdslkfjdsjfdsjfkdjfjdlfjdsklfjdklfff)
  : _bar = 7;
}

If I invoke editor:auto-indent on the ": _bar = 7;" line, the indentation doesn't change. I would prefer to have it double-indented (+4 spaces) like dartfmt does.

[asgerf]

Related issue: if the initializer list is manually indented, the constructor body following the initializer list becomes indented too much.

class Foo {
  var _bar;
  Foo(var arg)
      : _bar = 7 {
        print(arg); // indentation should be 4 less
    }
}