Stable experiment demonstrates that SendMessageOnSequence can only fail
if `connector_->encountered_error()` is true, so we make the CHECK no
longer gated by a feature.
Bug: 40944462
Change-Id: Idcbf7e3d209468db1cc8e90d901a6f37f3b65abf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5954810
Commit-Queue: Ken Rockot <rockot@google.com>
Auto-Submit: Francois Pierre Doray <fdoray@chromium.org>
Reviewed-by: Ken Rockot <rockot@google.com>
Cr-Commit-Position: refs/heads/main@{#1375332}
fb40835386