mozilla/fxa-content-server — pull request #1920 by shane-tomlinson (2014-11-20 16:41:30+00:00)
Title: fix(client): Go to the /cookies_disabled screen instead of the /500 screen if cookies are disabled.

The User model was accessing localStorage directly which causes most browsers to except. If localStorage is disabled, create a Storage object with a NullStorage backing instead.

fixes #1919