[tor-bugs] #15197 [Tor Browser]: Rebase Tor Browser patches to ESR 45

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#15197: Rebase Tor Browser patches to ESR 45
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 Reporter:  gk                              |          Owner:
     Type:  task                            |  arthuredelstein
 Priority:  Very High                       |         Status:
Component:  Tor Browser                     |  needs_revision
 Severity:  Critical                        |      Milestone:
 Keywords:  ff45-esr, TorBrowserTeam201604  |        Version:
Parent ID:                                  |     Resolution:
 Reviewer:                                  |  Actual Points:
                                            |         Points:
                                            |        Sponsor:  SponsorU
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Comment (by gk):

 Replying to [comment:24 mcs]:
 > For #6253 (1914acdc24d3fdcdc3e94d24b4225f6804004f75), additional work is
 needed (a crash is occurring inside canvas.getImageData). Kathy and I have
 not debugged this yet.  The patch looked like it was correctly rebased, so
 something must have changed inside Firefox to cause the crash.

 How can I reproduce that one? Allowing canvas on e.g. github.com works
 fine for me on a 64bit Linux box.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/15197#comment:25>
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