[tor-bugs] #15640 [Tor Browser]: Place Canvas MediaStream behind site permission

[Tor Bug Tracker & Wiki]

#15640: Place Canvas MediaStream behind site permission
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 Reporter:  mikeperry                            |          Owner:  mcs
     Type:  defect                               |         Status:
 Priority:  Medium                               |  needs_information
Component:  Tor Browser                          |      Milestone:
 Severity:  Normal                               |        Version:
 Keywords:  ff45-esr, tbb-fingerprinting,        |     Resolution:
  tbb-6.0a5, TorBrowserTeam201604R               |  Actual Points:
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:  None
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Comment (by gk):

 Thanks, looks good to me. I was a bit confused by the `pointInPath()` and
 `pointIStroke()` buttons as the tests behind them always pass even if I
 don't have `Data Extraction Allowed` checked. Is that supposed to be this
 way?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/15640#comment:9>
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