[tor-bugs] #7920 [Firefox Patch Issues]: TBB does not follow the current Windows theme

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#7920: TBB does not follow the current Windows theme
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 Reporter:  runa                  |          Owner:  mikeperry
     Type:  defect                |         Status:  new      
 Priority:  normal                |      Milestone:           
Component:  Firefox Patch Issues  |        Version:           
 Keywords:                        |         Parent:           
   Points:                        |   Actualpoints:           
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Changes (by mikeperry):

  * owner:  erinn => mikeperry
 * cc: mcs, brade (added)
  * component:  Tor bundles/installation => Firefox Patch Issues


Comment:

 This is most likely a result of the patch for #6786. It turns out
 using/exposing system theme colors to the content window is a
 fingerprinting vector: the system theme colors can be queried by the
 content CSS and JS and recorded.

 However, it is odd that the background is still set to black in those
 attachments. It was my understanding that we set these colors to a fixed
 map, so the system theme should have no effect on the content window at
 all.

 Do we know if the user *also* mucked around with their Tor Browser Content
 preferences for Font and Colors, in addition to changing the Windows
 System Theme?

 Adding Pearl Crescent to Cc, since they did the implementation of that
 patch.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/7920#comment:1>
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