nsMacWindow::Scroll ( PRBool aVertical, PRInt16 aNumLines, PRInt16 aMouseLocalX, PRInt16 aMouseLocalY, PRBool *_retval )
nsMacEventHandler :: Scroll ( EventMouseWheelAxis inAxis, PRInt32 inDelta, const Point& inMouseLoc )
nsMacWindow::Scroll ( PRBool aVertical, PRInt16 aNumLines, PRInt16 aMouseLocalX,                         PRInt16 aMouseLocalY, PRBool *_retval ){  *_retval = PR_FALSE;  Point localPoint = {aMouseLocalY, aMouseLocalX};  if ( mMacEventHandler.get() )    *_retval = mMacEventHandler->Scroll(aVertical ? kEventMouseWheelAxisY : kEventMouseWheelAxisX,                                          aNumLines, localPoint);  return NS_OK;}