Rated 1 out of 5 stars

Clean code... :) But I think the addon prepared by me solve the problem in a more user-friendly manner.... It has a cool small icon on the lower left corner.. I suggest you should improve your addon on that line...

Best of Luck!!!
https://addons.mozilla.org/en-US/firefox/addon/10174/

This review is for a previous version of the add-on (0.1.2). 

This is not the same...

Your addon displays passwords in forms - this one here covers internal passwords requested by PasswordManager.