NS_ASSERTION(aPresShell && aQueue, "Null parameters!");
NS_ASSERTION(aPresShell, "Null parameters!");
ReflowEvent::ReflowEvent(nsIPresShell* aPresShell, nsIEventQueue* aQueue){  NS_ASSERTION(aPresShell && aQueue, "Null parameters!");      mPresShell = getter_AddRefs(NS_GetWeakReference(aPresShell));  PL_InitEvent(this, aPresShell,               (PLHandleEventProc) ::HandlePLEvent,               (PLDestroyEventProc) ::DestroyPLEvent);    aQueue->PostEvent(this);  }