Re: [ServiceWorker] client.focus() should reject if tab failed to focus (#640)

I'm getting my head around to finding a point where the [focusing steps](https://html.spec.whatwg.org/multipage/interaction.html#focusing-steps) algorithm (invoked at [`client.focus()`](https://slightlyoff.github.io/ServiceWorker/spec/service_worker/index.html#client-focus-method) step 3.2.1) can be said to have been failed. It seems it silently fails case by case by just aborting the steps. @annevk could you help? Any good way to get the failure from that?

---
Reply to this email directly or view it on GitHub:
https://github.com/slightlyoff/ServiceWorker/issues/640#issuecomment-95056639