nsIAtom*& aPrefix, nsAWritableString& aResult) const { return mInner.GetAttribute(aNameSpaceID, aName, aPrefix, aResult);
nsAWritableString& aResult) const { return mInner.GetAttribute(aNameSpaceID, aName, aResult);
  NS_IMETHOD GetAttribute(PRInt32 aNameSpaceID, nsIAtom* aName,                          nsIAtom*& aPrefix, nsAWritableString& aResult) const {    return mInner.GetAttribute(aNameSpaceID, aName, aPrefix, aResult);  }