replace comp_x usage of internal xwindow detection function with new util fn
replace comp_x usage of internal xwindow detection function with new util fn

FlorentRevest/Enlightenment,tasn/enlightenment,tizenorg/platform.upstream.enlightenment,rvandegrift/e,tizenorg/platform.upstream.enlightenment,tizenorg/platform.upstream.enlightenment,FlorentRevest/Enlightenment,FlorentRevest/Enlightenment,rvandegrift/e,tasn/enlightenment,rvandegrift/e,tasn/enlightenment