instead of the containing block of kids. Fix the containing block calculations
for various cases of absolutely positioned descendants of relatively positioned
inlines (eg make "right" and "bottom" work in those situations). Bug 135082,
r+sr=dbaron
git-svn-id: svn://10.0.0.236/trunk@155456 18797224-902f-48f8-a5cc-f745e15eee43