Steps to reproduce:
1. Edit a linear gradient
2. Click in the angle field
3. Click on a color stop
Notice how as the popover animates, a scrollbar appears as well.
Created attachment 224854 [details]
Comment on attachment 224854 [details]
Clearing flags on attachment: 224854
Committed r164483: <http://trac.webkit.org/changeset/164483>
All reviewed patches have been landed. Closing bug.