     
     /**
      *  @private
-     *  Maximum number of times per second we will change the scroll position 
-     *  and update the display while dragging.
-     */
-    private static const MAX_DRAG_RATE:Number = 30;
-    
-    /**
-     *  @private
      *  The name of the viewport's horizontal scroll position property
      */
     private static const HORIZONTAL_SCROLL_POSITION:String = "horizontalScrollPosition";

            canScrollHorizontally,
            canScrollVertically,
            Math.round(minSlopInches * Capabilities.screenDPI), 
            dragEventThinning ? MAX_DRAG_RATE : NaN);
    }
    	
    /**

                        canScrollHorizontally,
                        canScrollVertically,
                        Math.round(minSlopInches * Capabilities.screenDPI), 
                        dragEventThinning ? _maxDragRate : NaN);
                    event.stopImmediatePropagation();
                }
                else
