[Merge] lp:~albaguirre/qtubuntu/use-mir-surface-apis into lp:qtubuntu

[Alberto Aguirre]

>+void UbuntuWindowPrivate::setSurfaceState(Qt::WindowState new_state)
>+{
>+ mir_wait_for(mir_surface_set_state(surface->mirSurface(), >qtWindowStateToMirSurfaceState(new_state)));
>Does this need to be sync?

As in does the call really need to wait for the wait handle? or call a mir_surface_set_state_sync api? (which does not exist in any case)

In any case the wait for set_state is pre-existing, so I didn't change it.

The rest should be fixed now.
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https://code.launchpad.net/~albaguirre/qtubuntu/use-mir-surface-apis/+merge/262257
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