The hybrid transport idl change didn't make it into https://bugs.webkit.org/show_bug.cgi?id=241691. Fixing that here.
<rdar://problem/96072746>
Pull request: https://github.com/WebKit/WebKit/pull/1856
Committed 251916@main (3d9f5dd97129): <https://commits.webkit.org/251916@main> Reviewed commits have been landed. Closing PR #1856 and removing active labels.