[tor-bugs] #21786 [Applications/Tor Browser]: Check whether devicelight events are properly rounded off on mobile for Tor Browser based in ESR52

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#21786: Check whether devicelight events are properly rounded off on mobile for Tor
Browser based in ESR52
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 Reporter:  gk                                   |          Owner:  tbb-
                                                 |  team
     Type:  task                                 |         Status:  new
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  ff52-esr, tbb-mobile, tbb-           |  Actual Points:
  fingerprinting                                 |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by gk):

 We might want to do something more drastic as information leaks got
 detected with the Ambient Light Sensors API:
 https://blog.lukaszolejnik.com/stealing-sensitive-browser-data-with-the-
 w3c-ambient-light-sensor-api/ and
 https://bugzilla.mozilla.org/show_bug.cgi?id=1357733.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21786#comment:1>
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