Remove CFX_MapPtrToPtr from xfa/fxfa.

xfa/fxfa/parser/cxfa_scriptcontext.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_CXFA_SCRIPTCONTEXT_H_
 #define XFA_FXFA_PARSER_CXFA_SCRIPTCONTEXT_H_
 
 #include <map>
@@ skipping 91 matching lines @@
                                          CXFA_Node* pSubform);
   void DefineJsClass();
   void RemoveBuiltInObjs(CFXJSE_Context* pContext) const;
 
   CXFA_Document* m_pDocument;
   std::unique_ptr<CFXJSE_Context> m_JsContext;
   v8::Isolate* m_pIsolate;
   CFXJSE_Class* m_pJsClass;
   XFA_SCRIPTLANGTYPE m_eScriptType;
   std::map<CXFA_Object*, std::unique_ptr<CFXJSE_Value>> m_mapObjectToValue;
-  CFX_MapPtrTemplate<CXFA_Object*, CFXJSE_Context*> m_mapVariableToContext;
+  std::map<CXFA_Object*, CFXJSE_Context*> m_mapVariableToContext;
   CXFA_EventParam m_eventParam;
   CXFA_NodeArray m_upObjectArray;
   // CacheList holds the NodeList items so we can clean them up when we're done.
   std::vector<std::unique_ptr<CXFA_NodeList>> m_CacheList;
   CXFA_NodeArray* m_pScriptNodeArray;
   std::unique_ptr<CXFA_ResolveProcessor> m_ResolveProcessor;
   std::unique_ptr<CXFA_FM2JSContext> m_FM2JSContext;
   CXFA_Object* m_pThisObject;
   uint32_t m_dwBuiltInInFlags;
   XFA_ATTRIBUTEENUM m_eRunAtType;
 };
 
 #endif  //  XFA_FXFA_PARSER_CXFA_SCRIPTCONTEXT_H_