first = new nsCalculatedBoxInfoImpl();
first = new nsCalculatedBoxInfoImpl(aList); count++;
nsInfoListImpl::CreateInfosFor(nsIFrame* aList, nsCalculatedBoxInfo*& first, nsCalculatedBoxInfo*& last){    if (aList) {       first = new nsCalculatedBoxInfoImpl();       last = first;       aList->GetNextSibling(&aList);       while(aList) {         last->next = new nsCalculatedBoxInfoImpl();         aList->GetNextSibling(&aList);                last = last->next;       }    }}