[tor-bugs] #16429 [Tor Browser]: Isolate mediasource and blob URLs in all contexts

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#16429: Isolate mediasource and blob URLs in all contexts
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     Reporter:  gk       |      Owner:  tbb-team
         Type:           |     Status:  closed
  enhancement            |  Milestone:
     Priority:  normal   |    Version:
    Component:  Tor      |   Keywords:  ff38-esr, tbb-linkability,
  Browser                |  TorBrowserTeam201507R, tbb-5.0a4
   Resolution:  fixed    |  Parent ID:
Actual Points:           |
       Points:           |
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Comment (by arthuredelstein):

 Replying to [comment:15 mikeperry]:
 > Ok, I took a look at these and they seem good, thanks! Merged for 5.0a4.
 >
 > Out of curiosity, I also noticed you added preliminary isolation for
 fetch? Was that to test #16326, or do you believe you've solved the odd
 caching problems there?

 This was intended to protect against using Fetch with a blob URI. But I
 think we then realized that Fetch is not active until FF39. So it will
 hopefully serve as a reminder when we rebase to FF45-ESR.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/16429#comment:16>
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