Code review comment for lp:~zsombi/ubuntu-ui-toolkit/focus-handling-on-touch

> 214 + if (typeof window != "undefined") {
>
> This is still racy, it won't set if the window is available later. And it's
> the third instance where this came up and wasn't handled correctly on the
> first attempt.
>
> We need something like Context.onWindowAvailable and fix this consistently.

I'll do a local fix with a property in between, and we can return to it in a separate MR with a proper fix.