[tbb-bugs] #31935 [Applications/Tor Browser]: TB9.0a7 is asking for a new profile

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#31935: TB9.0a7 is asking for a new profile
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 Reporter:  antonela                            |          Owner:  mcs
     Type:  defect                              |         Status:  assigned
 Priority:  High                                |      Milestone:
Component:  Applications/Tor Browser            |        Version:
 Severity:  Normal                              |     Resolution:
 Keywords:  TorBrowserTeam201910, tbb-9.0-must  |  Actual Points:
Parent ID:                                      |         Points:  0.5
 Reviewer:                                      |        Sponsor:
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Changes (by mcs):

 * cc: tbb-team (added)
 * status:  needs_information => assigned
 * owner:  tbb-team => mcs


Comment:

 Kathy and I saw this same prompt while working on #31607; we were reusing
 various `TorBrowser-Data` directories in an attempt to better understand
 the causes for that bug.  I had it on my TODO list to file a ticket but
 now Antonela did it for me :)


 Since Tor Browser does not support more than one profile, we should
 disable this prompt and related code. We can do that by changing a
 `MOZ_BLOCK_PROFILE_DOWNGRADE` configure option from `True` to `False`.
 This is similar to what we did for #31457 and in fact the options are
 right next to each other in `browser/moz.configure`.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31935#comment:7>
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