spun off bug 757739. I still don't have clear idea why there's no parent. One possible reason is that container appears unexpectedly during its parent UpdateChildren() (see ProcessContentInserted). I think it makes sense to fix tree update logic and see if it helps. str: load arte.tv
see bug 759809 for extra example: Go to maps.google.com and make sure MapsGL is enabled. Now visit this link to a StreetView pano: http://goo.gl/maps/Fcn3
Pushed by email@example.com: https://hg.mozilla.org/integration/mozilla-inbound/rev/b5f06c68cf27 turn 'Called on accessible unbound from tree' assertion into moz_assert
cannot longer reproduce
Status: NEW → RESOLVED
Last Resolved: 8 months ago
Resolution: --- → WORKSFORME
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