         _toolTip = value;
 
         if (toolTipManager)
-            toolTipManager.mx_internal::registerToolTip(this, oldValue, value);
+            toolTipManager.registerToolTip(this, oldValue, value);
     }
     
     //--------------------------------------------------------------------------

import mx.managers.ISystemManager;
import mx.managers.IToolTipManagerClient;
import mx.utils.MatrixUtil;

//--------------------------------------
//  Lifecycle events

        var currentBounds:Rectangle = bounds;
        
        // take secret scale into account as it's our real width/height
        currentBounds.width *= scaleXDueToSizing;
        currentBounds.height *= scaleYDueToSizing;
        
        if (sizeChanged(currentBounds.width, oldWidth) || sizeChanged(currentBounds.height, oldHeight))
        {
