[tor-bugs] #21792 [Applications/Tor Browser]: Make sure MediaError.message does not aid to fingerprinting

[Tor Bug Tracker & Wiki]

#21792: Make sure MediaError.message does not aid to fingerprinting
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 Reporter:  gk                                   |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:
                                                 |  needs_review
 Priority:  High                                 |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  ff52-esr, tbb-fingerprinting,        |  Actual Points:
  tbb-7.0-must-alpha, TorBrowserTeam201704R      |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by mcs):

 Replying to [comment:4 arthuredelstein]:
 > A MediaError object [https://developer.mozilla.org/en-
 US/docs/Web/API/MediaError#Properties contains] a single field,
 MediaError.code, with one of four possible values:
 > ...

 What about the `message` field? Is it always an empty string?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21792#comment:5>
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