[tor-bugs] #8422 [TorBrowserButton]: DOM localStorage not cleared on New Identity

[Tor Bug Tracker & Wiki]

#8422: DOM localStorage not cleared on New Identity
-----------------------------------+----------------------------------------
 Reporter:  mikeperry              |          Owner:  mikeperry
     Type:  defect                 |         Status:  new      
 Priority:  critical               |      Milestone:           
Component:  TorBrowserButton       |        Version:           
 Keywords:  tbb-rebase-regression  |         Parent:           
   Points:                         |   Actualpoints:           
-----------------------------------+----------------------------------------
 http://www.stevesouders.com/blog/2012/09/10/clearing-browser-data/ reveals
 that despite the documentation on MDC
 (https://developer.mozilla.org/en/DOM/Storage#Storage_location_and_clearing_the_data),
 window.localStorage is NOT cleared by the "cookie-changed" observer event.
 We need to clear it explicitly. Isn't that cute. Another evercookie
 vector.

 Since we enabled DOM storage for FF17, this is a regression, and a pretty
 bad one at that.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/8422>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online