[tor-bugs] #26609 [Applications/Tor Browser]: imvestigate whether the -moz-windows-accent-color-in-titlebar media query adds a fingerprinting vector

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#26609: imvestigate whether the -moz-windows-accent-color-in-titlebar media query
adds a fingerprinting vector
-------------------------------------+-------------------------------------
     Reporter:  mcs                  |      Owner:  tbb-team
         Type:  defect               |     Status:  new
     Priority:  Medium               |  Milestone:
    Component:  Applications/Tor     |    Version:
  Browser                            |   Keywords:  tbb-fingerprinting,
     Severity:  Normal               |  ff60-esr, TorBrowserTeam201807
Actual Points:                       |  Parent ID:
       Points:                       |   Reviewer:
      Sponsor:                       |
-------------------------------------+-------------------------------------
 As of Firefox 56, support was added for a -moz-windows-accent-color-in-
 titlebar media query. We should determine whether this adds a
 fingerprinting vector and what to do about it if it does. See:
 ​https://bugzilla.mozilla.org/show_bug.cgi?id=1379938

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26609>
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