Just found out about this solution. You start Chrome under Windows with --disk-cache-dir=nullparameter and enjoy. Works also under *nix system with /dev/null.
--disk-cache-dir=null
/dev/null
윈도우용 크롬은 --disk-cache-dir="Z:\"
존재하지 않는 디렉토리를 설정하라고 합니다.