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

xfa/fxfa/app/xfa_ffdoc.cpp

Index: xfa/fxfa/app/xfa_ffdoc.cpp
diff --git a/xfa/fxfa/app/xfa_ffdoc.cpp b/xfa/fxfa/app/xfa_ffdoc.cpp
index 77c3b251a250d79ad5541b7fc80a2a34bfbc39e2..f33e4e0585868226f5f796b330255a3021a6d06d 100644
--- a/xfa/fxfa/app/xfa_ffdoc.cpp
+++ b/xfa/fxfa/app/xfa_ffdoc.cpp
@@ -7,7 +7,6 @@
 #include "xfa/fxfa/include/xfa_ffdoc.h"
 
 #include <algorithm>
-#include <memory>
 
 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
@@ -146,11 +145,10 @@
     if (!OpenDoc(pPDFDocument)) {
       return XFA_PARSESTATUS_SyntaxErr;
     }
-    std::unique_ptr<IXFA_Parser> pParser(
-        IXFA_Parser::Create(m_pDocument, TRUE));
-    if (!pParser)
-      return XFA_PARSESTATUS_SyntaxErr;
-
+    IXFA_Parser* pParser = IXFA_Parser::Create(m_pDocument, TRUE);
+    if (!pParser) {
+      return XFA_PARSESTATUS_SyntaxErr;
+    }
     CXFA_Node* pRootNode = NULL;
     if (pParser->StartParse(m_pStream) == XFA_PARSESTATUS_Ready &&
         pParser->DoParse(NULL) == XFA_PARSESTATUS_Done) {
@@ -162,6 +160,8 @@
     } else {
       iStatus = XFA_PARSESTATUS_StatusErr;
     }
+    pParser->Release();
+    pParser = NULL;
   }
   return iStatus;
 }
@@ -265,7 +265,7 @@
   m_TypeToDocViewMap.clear();
 
   if (m_pDocument) {
-    m_pDocument->DestroyParser();
+    m_pDocument->GetParser()->Release();
     m_pDocument = nullptr;
   }