when there is a widget and return NS_STYLE_HINT_REFLOW when there isn't git-svn-id: svn://10.0.0.236/trunk@16546 18797224-902f-48f8-a5cc-f745e15eee43
when there is a widget and return NS_STYLE_HINT_REFLOW when there isn't git-svn-id: svn://10.0.0.236/trunk@16546 18797224-902f-48f8-a5cc-f745e15eee43