Code review comment for lp:~kdub/mir/demo-stream-titlebars

> > I don't see where this is being used.
> > 640 + SurfaceCreationParameters&
> > with_buffer_streams(std::vector<shell::StreamSpecification> const& streams);
> >
> > why is it needed? Is there a followup branch?
>
> It is providing a similar way to set the stream fields, eg:
> ms::a_surface()
> .with_size(...)
> .with_bufer_usage(...)
> .with_buffer_streams(...);

Ok I guess it sounds useful.