These failures were fixed on XUL Android, just not native (R3 is hidden at the moment):
We just need the native Android equivalent of the patch in bug 770453 comment 13.
Created attachment 648989 [details] [diff] [review]
Same as for mobile/xul. But I do wonder why this code is used for in mobile/android. Is it for dialogs?
Comment on attachment 648989 [details] [diff] [review]
I'm not sure if this part of content.css is even needed anymore, but we can look into that in a separate bug.