*aResult = mChildrenElement; NS_IF_ADDREF(*aResult); return NS_OK;
if (mContent) { return mPrototypeBinding->GetInsertionPoint(mBoundElement, mContent, aChild, aIndex); }  if (mNextBinding) return mNextBinding->GetInsertionPoint(aChild, aIndex);  return nsnull;
nsXBLBinding::GetInsertionPoint(nsIContent** aResult){  *aResult = mChildrenElement;  NS_IF_ADDREF(*aResult);  return NS_OK;}