I am going to use the same Titebond III waterproof glue that I have been using. It is not quite as strong as epoxy, but I think it is going to work well.
I had an hour or so to do a trial fit of the windshield and the bezel vent and the wiper assembly. I outlined the windshield (very roughly):
And I looked at the bezel, and at the top of the windshield, and decided to move it up about 1/2". I am gluing support blocks on so the windshield won't slide off:
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I need to take a close look at a Smart ForTwo at the base of the windshield and the wipers, etc. to see what fits where.