I suggest to add an initialization method for shadow dom. It works for Alert but this method can be used on others components too.
Open for discuss about this solution.
Thanks for your contribution. As we don't plan to explicitly support polymer, we don't plan to add the counter parts of this API for other components, but contributions are always welcomed. :)
In this discussion http://stackoverflow.com/questions/20420189/rikulo-bootjack-polymerdart You suggest to wire the element into the shadow dom. I do it for the tooltip but it doesn't work for Alert.
I suggest to add an initialization method for shadow dom. It works for Alert but this method can be used on others components too. Open for discuss about this solution.
Regards.