shuttle app: adjust for polymer-overlay's event name change
shuttle app: adjust for polymer-overlay's event name change
PolymerLabs/labs,googlearchive/labs,PolymerLabs/labs,PolymerLabs/labs,googlearchive/labs,googlearchive/labs,googlearchive/labs,PolymerLabs/labs,googlearchive/labs,PolymerLabs/labs