Created attachment 502772 [details]
Mozilla/5.0 (Windows NT 6.1; rv:2.0b9) Gecko/20100101 Firefox/4.0b9
1. Navigate some pages in a few tabs
2. Open panorama view and make sure tabs are part of a group
3. Close the group
4. Immediately press F11 to enter fullscreen mode
5. Click on "Undo close group"
Group UI is broken when undo close group is triggered from fullscreen mode.
That sucks, but it's a bit corner-case-ey.
Mozilla/5.0 (Windows NT 6.1; rv:2.0b10pre) Gecko/20110117 Firefox/4.0b10pre
Able to reproduce. Panorama view is broken after clicking on undo close group in fullscreen mode.
Mozilla/5.0 (Windows NT 6.1; rv:6.0a1) Gecko/20110504 Firefox/6.0a1
I can also reproduce the issue on the latest trunk using the following steps:
1. Open a few tabs
2. Go into Panorama
3. Close the group that contains all the tabs
4. Press Undo close tab
This is reproducible on non-Fullscreen scenarios also.
Will be fixed by bug 654941.
Mozilla/5.0 (X11; Linux i686; rv:7.0a1) Gecko/20110620 Firefox/7.0a1
Verified issue on Ubuntu 11.04 x86, Mac OS X 10.6, Win7 x86 and WinXP using the steps from comment 3.
Setting status to Verified Fixed.