             return;
         }
 
-        super.invalidateParentSizeAndDisplayList(estimatedSizesChanged);
+        super.invalidateParentSizeAndDisplayList();
     }
 
     /**

    //--------------------------------------------------------------------------

    /**
     *  @private 
     *  Applications set estimated sizes for their children
     */  
    override public function setActualSize(w:Number, h:Number):void
    {
        if (FlexVersion.compatibilityVersion >= FlexVersion.VERSION_4_5)
        {
            setEstimatedSize(w, h, false);
            invalidateEstimatedSizesOfChildren();
            validateEstimatedSizesOfChildren();
        }
        
        super.setActualSize(w, h);
    }
    
    /**
     *  @private
     */
    override protected function invalidateParentSizeAndDisplayList(estimatedSizesChanged:Boolean = false):void
    {
        if (!includeInLayout)
            return;

        // no matter what.
        // This is strictly for the debugger to be able to halt.
        // Note: isDebugger is true only with a Debugger Player.
        if (sm.isTopLevel() && Capabilities.isDebugger == true)
            setInterval(debugTickler, 1500);
    }

