mozilla/butter — pull request #674 by mjschranz (2012-07-24 02:34:52+00:00)
Title: [#1849] Allowed for UnloadDialog to be turned off via config

https://webmademovies.lighthouseapp.com/projects/65733/tickets/1849-allow-are-you-sure-you-want-to-leave-dialog-to-be-turned-off-via-config-option