oops. forgot InterfacePointer constructor. see ds/nsSupportsPrimitives.cpp rev 3.16. bug 70534

xpcom/build/nsXPComInit.cpp

@@ -106,6 +106,7 @@ NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRInt64Impl)
 NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsFloatImpl)
 NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsDoubleImpl)
 NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsVoidImpl)
+NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsInterfacePointerImpl)
 
 NS_GENERIC_FACTORY_CONSTRUCTOR(nsConsoleService);
 NS_GENERIC_FACTORY_CONSTRUCTOR(nsAtomService);
@@ -222,6 +223,7 @@ static nsModuleComponentInfo components[] = {
     COMPONENT_SUPPORTS(FLOAT, Float),
     COMPONENT_SUPPORTS(DOUBLE, Double),
     COMPONENT_SUPPORTS(VOID, Void),
+    COMPONENT_SUPPORTS(INTERFACE_POINTER, InterfacePointer),
 
 #undef COMPONENT_SUPPORTS