      */
     public function validateDisplayList():void
     {
-        validateMatrix();
         oldLayoutDirection = layoutDirection;
         
         if (invalidateDisplayListFlag)

            _layoutFeatures.mirror = mirror;
            invalidateTransform();
        }
      
        //  If this is a leaf node, then we're done.  If not, the styleChanged() machinery
        //  (via commitProperties()) will deal with UIComponent children.   We have to 
        //  deal with IVisualElement children that don't support styles, like 
        //  GraphicElements, here.

        if (!(this is IVisualElementContainer))
            return;
        

                if (sm.isProxy || (sm == systemManager.topLevelSystemManager &&
                    sm.document != this))
                {
                    // Size ourself to the new measured width/height   This can
                    // cause the _layoutFeatures computed matrix to become invalid 
                    setActualSize(getExplicitOrMeasuredWidth(),
                                  getExplicitOrMeasuredHeight());
                }
            }
            
            // Don't validate transform.matrix until after setting actual size
            validateMatrix();

            var unscaledWidth:Number = width;
            var unscaledHeight:Number = height;
