component {e3f772f3-023f-4b32-b074-36cf0fd5d414} nsContentPrefService.js
contract @mozilla.org/content-pref/service;1 {e3f772f3-023f-4b32-b074-36cf0fd5d414}
component {8df290ae-dcaa-4c11-98a5-2429a4dc97bb} nsContentPrefService.js
contract @mozilla.org/content-pref/hostname-grouper;1 {8df290ae-dcaa-4c11-98a5-2429a4dc97bb}