component {a3d5b950-690a-491f-a881-2c2cdcd241cb} nsSetDefault.js
contract @mozilla.org/suite/default-browser-clh;1 {a3d5b950-690a-491f-a881-2c2cdcd241cb}
category command-line-handler m-setdefault @mozilla.org/suite/default-browser-clh;1