NS_IMETHOD SetAttribute(nsINodeInfo* aNodeInfo,
NS_IMETHOD SetAttribute(PRInt32 aNameSpaceID, nsIAtom* aName,
  NS_IMETHOD SetAttribute(nsINodeInfo* aNodeInfo,                          const nsAReadableString& aValue, PRBool aNotify) {    return mInner.SetAttribute(aNodeInfo, aValue, aNotify);  }