Unfortunately there's no good way to do this without giving up ownership of linux directories outside libwebrtc, but we can at least manually denylist particular paths that we don't want to own, which will work until more paths get added in the future.
Pull request: https://github.com/WebKit/WebKit/pull/21632
Committed 271931@main (3633f4ec40d4): <https://commits.webkit.org/271931@main> Reviewed commits have been landed. Closing PR #21632 and removing active labels.