nsFrameManagerBase::UndisplayedMap::AddNodeFor(nsIContent* aParentContent, nsIContent* aChild, nsStyleContext* aStyle)
UndisplayedMap::AddNodeFor(nsIContent* aParentContent, nsIStyleContext* aPseudoStyle)
nsFrameManagerBase::UndisplayedMap::AddNodeFor(nsIContent* aParentContent,                                               nsIContent* aChild,                                                nsStyleContext* aStyle){  UndisplayedNode*  node = new UndisplayedNode(aChild, aStyle);  if (! node) {    return NS_ERROR_OUT_OF_MEMORY;  }  AppendNodeFor(node, aParentContent);  return NS_OK;}