Right now, the badging API is rejecting without DOM exceptions. It would be nice if it rejected with DOM exceptions to give a better idea about what's gone wrong. Additionally, the current implementation doesn't handle errors for non-fully-active docs.
<rdar://problem/106969959>
Pull request: https://github.com/WebKit/WebKit/pull/11745
Committed 262237@main (978ccadf6e0b): <https://commits.webkit.org/262237@main> Reviewed commits have been landed. Closing PR #11745 and removing active labels.