coverity#736004 Unchecked dynamic_cast

Change-Id: Icca4946543409adb0ac6f7bf78915f8ef5b0fa40
coverity#705070 Unchecked dynamic_cast

Change-Id: Ibb4cf1e8bd002d4c36030f5567e1a16f86ea1668
coverity#705071 Unchecked dynamic_cast

Change-Id: Ic7b120daf4d5456ed882ffa3724c53d1246e7b4d
coverity#1194911 Unchecked dynamic_cast

Change-Id: I1e7f4bcd8f54219d86ad7a003469d5a486090f47