nsInvalidateEvent::nsInvalidateEvent(nsIViewManager* aViewManager)
nsInvalidateEvent::nsInvalidateEvent(nsViewManager* aViewManager)
nsInvalidateEvent::nsInvalidateEvent(nsIViewManager* aViewManager){  NS_ASSERTION(aViewManager, "null parameter");    mViewManager = aViewManager; // Assign weak reference  PL_InitEvent(this, aViewManager,               (PLHandleEventProc) ::HandlePLEvent,               (PLDestroyEventProc) ::DestroyPLEvent);  }