drag-scroll logic since it won't help in this case when we leave gecko entirely. r=pink/sr=bryner (bug 187050, 159478, 204024) patch from nhamblen@mac.com. git-svn-id: svn://10.0.0.236/trunk@143244 18797224-902f-48f8-a5cc-f745e15eee43
drag-scroll logic since it won't help in this case when we leave gecko entirely. r=pink/sr=bryner (bug 187050, 159478, 204024) patch from nhamblen@mac.com. git-svn-id: svn://10.0.0.236/trunk@143244 18797224-902f-48f8-a5cc-f745e15eee43