cdd9e43b2c
Enable the 'sealed-class' experiment for the highlighting test and add the highlighting for the modifier. Change-Id: I6affdab506c29ab9d92b2d6315a93d09396bafaa Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/277201 Reviewed-by: Samuel Rawlins <srawlins@google.com> Commit-Queue: Kallen Tu <kallentu@google.com>