mManager->RegisterNameSpace(aURI, mID);
NameSpaceImpl::NameSpaceImpl(nsINameSpaceManager* aManager,                             NameSpaceImpl* aParent,                              nsIAtom* aPrefix,                              PRInt32 aNameSpaceID)  : mManager(aManager),    mParent(aParent),    mPrefix(aPrefix),    mID(aNameSpaceID){  NS_ASSERTION(nsnull != aManager, "null namespace manager");  NS_INIT_REFCNT();  NS_ADDREF(mManager);  NS_IF_ADDREF(mParent);  NS_IF_ADDREF(mPrefix);}