8264bd94d1
This reverts commit f630a7c07d.
Reason for revert: Remove the `is` check since it's more costly than removing a dynamic call for web.
Original change's description:
> Eliminate dynamic call() in html_dart2js in _EventStreamSubscription.
>
> Change-Id: Ia4a300c210bc505f71cc3bfb1a1b911c96c1aa53
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/256703
> Commit-Queue: Kallen Tu <kallentu@google.com>
> Reviewed-by: Leaf Petersen <leafp@google.com>
> Reviewed-by: Lasse Nielsen <lrn@google.com>
# Not skipping CQ checks because original CL landed > 1 day ago.
Change-Id: I36b2f8cedc5f8b5235832ea29ea5eb40e2e8dc92
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/257421
Reviewed-by: Srujan Gaddam <srujzs@google.com>
Commit-Queue: Kallen Tu <kallentu@google.com>