[tor-bugs] #15580 [Tor Browser]: Update design doc for TBB 4.5

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#15580: Update design doc for TBB 4.5
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     Reporter:           |      Owner:  mikeperry
  mikeperry              |     Status:  closed
         Type:  task     |  Milestone:
     Priority:  normal   |    Version:
    Component:  Tor      |   Keywords:  tbb-4.5-alpha, TorBrowserTeam201505
  Browser                |  Parent ID:
   Resolution:  fixed    |
Actual Points:           |
       Points:           |
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Changes (by mikeperry):

 * status:  new => closed
 * resolution:   => fixed


Comment:

 Ok, applied this. Wrt the earlier comments: media.webaudio.enabled is
 documented in the slider section. Also, wrt cache and DOM storage
 isolation, they indeed are scoped to third party already. When you source
 a third party element that uses DOM storage, other third parties cannot
 access its stored elements due to the same origin policy. It's first party
 isolation we add there. However, I think you're right about the cache --
 the same origin policy is only applied to third party images, stylesheets,
 and scripts if they are inside a frame or iframe. Since this is less
 strict than our notion of third parties, I have removed mention of the
 cache.

 Calling this closed. Sending it to Nick now!

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/15580#comment:14>
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