Yes, in Firefox goto;
"tools → options → privacy → location bar"
Make sure bookmarks are included in automatic offers. Now just add the “chormes” bookmarks that you want to add to auto-messaging.
To do this, go to the desired chrome, for example, "chrome: //fireftp/content/fireftp.xul", and then place the bookmark by pressing Ctrl + D.
The second way is to manually edit the formhistory.sqlite file for your profile and add entries as desired.