Revert of Replace Release() { delete this; } in fde_xml_imp.h

xfa/fxfa/parser/xfa_document_imp.cpp

 // 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
 
 #include "core/fxcrt/include/fx_ext.h"
 #include "xfa/fxfa/app/xfa_ffnotify.h"
 #include "xfa/fxfa/fm2js/xfa_fm2jsapi.h"
 #include "xfa/fxfa/parser/xfa_basic_imp.h"
@@ skipping 59 matching lines @@
   m_pScriptSignature = nullptr;
 }
 
 void CXFA_Document::SetRoot(CXFA_Node* pNewRoot) {
   if (m_pRootNode) {
     AddPurgeNode(m_pRootNode);
   }
   m_pRootNode = pNewRoot;
   RemovePurgeNode(pNewRoot);
 }
-
-void CXFA_Document::DestroyParser() {
-  delete m_pParser;
-  m_pParser = nullptr;
-}
-
 CXFA_FFNotify* CXFA_Document::GetNotify() const {
   return m_pParser->GetNotify();
 }
 CXFA_Object* CXFA_Document::GetXFAObject(const CFX_WideStringC& wsNodeName) {
   return GetXFAObject(FX_HashCode_GetW(wsNodeName, false));
 }
 CXFA_Object* CXFA_Document::GetXFAObject(uint32_t dwNodeNameHash) {
   switch (dwNodeNameHash) {
     case XFA_HASHCODE_Data: {
       CXFA_Node* pDatasetsNode = ToNode(GetXFAObject(XFA_HASHCODE_Datasets));
@@ skipping 322 matching lines @@
       if (!mIDMap.Lookup(FX_HashCode_GetW(wsID, false), pProtoNode)) {
         continue;
       }
     }
     if (!pProtoNode) {
       continue;
     }
     XFA_ProtoMerge_MergeNode(this, pUseHrefNode, pProtoNode);
   }
 }