coverity#736001 Unchecked dynamic_cast

Change-Id: I39622eb9c0d5f91c910b9c828beead2d1763af0e
coverity#705068 Unchecked dynamic_cast

Change-Id: I3573618670d5975d02ec67e3314d734be05fcbe5
coverity#736003 Unchecked dynamic_cast

Change-Id: Ie7451b1c96437df444198152230190d07689c1f1