XFA unused function cleanup

xfa/fxfa/parser/xfa_object.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef XFA_FXFA_PARSER_XFA_OBJECT_H_
 #define XFA_FXFA_PARSER_XFA_OBJECT_H_
 
 #include "xfa/fde/xml/fde_xml.h"
@@ skipping 765 matching lines @@
   return IsOrdinaryObject() ? static_cast<const CXFA_OrdinaryObject*>(this)
                             : nullptr;
 }
 inline const CXFA_NodeList* CXFA_Object::AsNodeList() const {
   return IsNodeList() ? static_cast<const CXFA_NodeList*>(this) : nullptr;
 }
 
 inline CXFA_Node* ToNode(CXFA_Object* pObj) {
   return pObj ? pObj->AsNode() : nullptr;
 }
-inline CXFA_OrdinaryObject* ToOrdinaryObject(CXFA_Object* pObj) {
-  return pObj ? pObj->AsOrdinaryObject() : nullptr;
-}
-inline CXFA_NodeList* ToNodeList(CXFA_Object* pObj) {
-  return pObj ? pObj->AsNodeList() : nullptr;
-}
 
 inline const CXFA_Node* ToNode(const CXFA_Object* pObj) {
   return pObj ? pObj->AsNode() : nullptr;
 }
-inline const CXFA_OrdinaryObject* ToOrdinaryObject(const CXFA_Object* pObj) {
-  return pObj ? pObj->AsOrdinaryObject() : nullptr;
-}
-inline const CXFA_NodeList* ToNodeList(const CXFA_Object* pObj) {
-  return pObj ? pObj->AsNodeList() : nullptr;
-}
 
 #endif  // XFA_FXFA_PARSER_XFA_OBJECT_H_