With UI-side compositing, the DisplayLink class will have clients that live in the UI process. Currently, it's hardwired to send IPC to the web process.
<rdar://problem/101296426>
Pull request: https://github.com/WebKit/WebKit/pull/5496
Committed 255970@main (0ca300a709ee): <https://commits.webkit.org/255970@main> Reviewed commits have been landed. Closing PR #5496 and removing active labels.