Code review comment for lp:~alan-griffiths/mir/remove-DefaultWindowManager

> It's not a show-stopper. And I really like the gist of this proposal. But I
> personally request that we don't break mir_proving_server till more bugs in
> the canonical window manager are fixed.
>
> If this MP landed it would only motivate me to take a tangent and spend time
> fixing the canonical window manager, which I don't want to do. More details
> are in bug 1447886.

I've tried addressing your concerns in lp:~alan-griffiths/miral/revised-resize/+merge/293125

If that addresses your concerns we can proceed with this MP and I'll backport to Mir's CanonicalWindowManager.