[tbb-bugs] #13875 [Tor Browser]: Tor Browser DPI spoofing omitted window.devicePixelRatio

[Tor Bug Tracker & Wiki]

#13875: Tor Browser DPI spoofing omitted window.devicePixelRatio
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     Reporter:  isis     |      Owner:  tbb-team
         Type:  defect   |     Status:  needs_review
     Priority:  major    |  Milestone:
    Component:  Tor      |    Version:
  Browser                |   Keywords:  tbb-fingerprinting-resolution, tbb-
   Resolution:           |  testcase, tbb-firefox-patch,
Actual Points:           |  TorBrowserTeam201505R, MikePerry201505R
       Points:           |  Parent ID:
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Comment (by mikeperry):

 My typical question with this IsCaller stuff: Is this property exported to
 WebSockets? What happens there?

 Also, how about scripts inside blob URIs from the URL bar? And blob URIs
 from an iframe?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/13875#comment:21>
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