[tbb-bugs] #21778 [Applications/Tor Browser]: Canvas prompt is not showing up anymore in Tor Browser based in ESR52

[Tor Bug Tracker & Wiki]

#21778: Canvas prompt is not showing up anymore in Tor Browser based in ESR52
-------------------------------------------------+-------------------------
 Reporter:  gk                                   |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:
                                                 |  needs_review
 Priority:  High                                 |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  ff52-esr, tbb-7.0-must-alpha, tbb-   |  Actual Points:
  e10s, TorBrowserTeam201704R                    |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by gk):

 Looks good to me, too. Just one nit:
 {{{
 +    try {
 +      browser = aSubject.QueryInterface(Ci.nsIBrowser);
 +   } catch (e) {}
 }}}
 (indentation).

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21778#comment:8>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online