Cleanup ownership in CXFA_ScriptContext.

xfa/fxfa/parser/xfa_object_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 "xfa/fxfa/parser/xfa_object.h"
 
 #include <memory>
 
@@ skipping 5068 matching lines @@
     for (; pSrcChild && pDstChild;
          pSrcChild = pSrcChild->GetNodeItem(XFA_NODEITEM_NextSibling),
          pDstChild = pDstChild->GetNodeItem(XFA_NODEITEM_NextSibling)) {
       MoveBufferMapData(pSrcChild, pDstChild, pKey, TRUE);
     }
   }
   pSrcModule->MoveBufferMapData(pDstModule, pKey);
 }
 CXFA_NodeList::CXFA_NodeList(CXFA_Document* pDocument)
     : CXFA_Object(pDocument, XFA_OBJECTTYPE_NodeList) {
-  m_pDocument->GetScriptContext()->CacheList(this);
+  m_pDocument->GetScriptContext()->AddToCacheList(
+      std::unique_ptr<CXFA_NodeList>(this));
 }
 CXFA_Node* CXFA_NodeList::NamedItem(const CFX_WideStringC& wsName) {
   uint32_t dwHashCode = FX_HashCode_GetW(wsName, false);
   int32_t iCount = GetLength();
   for (int32_t i = 0; i < iCount; i++) {
     CXFA_Node* ret = Item(i);
     if (dwHashCode == ret->GetNameHash())
       return ret;
   }
   return nullptr;
@@ skipping 148 matching lines @@
   return m_pAttachNode->InsertChild(pNewNode, pBeforeNode);
 }
 FX_BOOL CXFA_AttachNodeList::Remove(CXFA_Node* pNode) {
   return m_pAttachNode->RemoveChild(pNode);
 }
 CXFA_Node* CXFA_AttachNodeList::Item(int32_t iIndex) {
   return m_pAttachNode->GetChild(
       iIndex, XFA_ELEMENT_UNKNOWN,
       m_pAttachNode->GetClassID() == XFA_ELEMENT_Subform);
 }