GitLab

The MessagePort conversion functions are no longer used outside of
WebEngine, now that previous clients have migrated to
use //components/cast/message_port instead.

Remove vestigial dep on now-removed 'message_port' target.

Bug: 1081525
Change-Id: Ie3629ff1542b96bfe9594cc5dcb1ef15c671c9c7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2643398
Auto-Submit: Kevin Marshall <kmarshall@chromium.org>
Reviewed-by: Sharon Yang <yangsharon@chromium.org>
Commit-Queue: Sharon Yang <yangsharon@chromium.org>
Cr-Commit-Position: refs/heads/master@{#845821}