protected void updateSize(){
  resetMapping();
  if (framePeer != null) {
    framePeer.reshapeMenubarPeer();
  }
}

protected void updateSize ( ) { resetMapping ( ) ; if ( framePeer != null ) { framePeer . reshapeMenubarPeer ( ) ; } }
this function is called when it ' s likely that size of items has changed . invokes framepeer ' s updatechildrensizes ( )
