Add method to convert an indirect object in a dictionary

core/fpdfapi/parser/cpdf_dictionary.h

 // Copyright 2016 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 CORE_FPDFAPI_PARSER_CPDF_DICTIONARY_H_
 #define CORE_FPDFAPI_PARSER_CPDF_DICTIONARY_H_
 
 #include <map>
@@ skipping 52 matching lines @@
   void SetStringFor(const CFX_ByteString& key, const CFX_ByteString& str);
   void SetIntegerFor(const CFX_ByteString& key, int i);
   void SetNumberFor(const CFX_ByteString& key, FX_FLOAT f);
   void SetReferenceFor(const CFX_ByteString& key,
                        CPDF_IndirectObjectHolder* pDoc,
                        uint32_t objnum);
   void SetRectFor(const CFX_ByteString& key, const CFX_FloatRect& rect);
   void SetMatrixFor(const CFX_ByteString& key, const CFX_Matrix& matrix);
   void SetBooleanFor(const CFX_ByteString& key, bool bValue);
 
+  void ConvertToIndirectObjectFor(const CFX_ByteString& key,
+                                  CPDF_IndirectObjectHolder* pHolder);
+
   // Invalidates iterators for the element with the key |key|.
   void RemoveFor(const CFX_ByteString& key);
 
   // Invalidates iterators for the element with the key |oldkey|.
   void ReplaceKey(const CFX_ByteString& oldkey, const CFX_ByteString& newkey);
 
   iterator begin() { return m_Map.begin(); }
   iterator end() { return m_Map.end(); }
   const_iterator begin() const { return m_Map.begin(); }
   const_iterator end() const { return m_Map.end(); }
 
   CFX_WeakPtr<CFX_ByteStringPool> GetByteStringPool() const { return m_pPool; }
 
  protected:
   ~CPDF_Dictionary() override;
 
   CFX_ByteString MaybeIntern(const CFX_ByteString& str);
   CPDF_Object* CloneNonCyclic(
       bool bDirect,
       std::set<const CPDF_Object*>* visited) const override;
 
   CFX_WeakPtr<CFX_ByteStringPool> m_pPool;
   std::map<CFX_ByteString, CPDF_Object*> m_Map;
 };
 
 #endif  // CORE_FPDFAPI_PARSER_CPDF_DICTIONARY_H_