[tor-bugs] #5289 [TorBrowserButton]: Clear IndexDB on New Identity

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#5289: Clear IndexDB on New Identity
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 Reporter:  mikeperry         |          Owner:  mikeperry                    
     Type:  defect            |         Status:  new                          
 Priority:  major             |      Milestone:  TorBrowserBundle 2.2.x-stable
Component:  TorBrowserButton  |        Version:                               
 Keywords:                    |         Parent:                               
   Points:                    |   Actualpoints:                               
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 Firefox mumblepointoh added official support for the IndexDB API, which is
 yet another storage mechanism we have to worry about:
 https://developer.mozilla.org/en/IndexedDB

 It appears IndexDB is disabled for third parties, and also prompts the
 user for permissions to store data for each site, but we should still be
 clearing it on New Identity.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/5289>
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