Revert of Unify some code

core/fpdfapi/parser/cpdf_hint_tables.h

Index: core/fpdfapi/parser/cpdf_hint_tables.h
diff --git a/core/fpdfapi/parser/cpdf_hint_tables.h b/core/fpdfapi/parser/cpdf_hint_tables.h
index 68b5059b057b0901fe68b5f44cb7a3da830b5bab..84f48cf41f6dd256c75fe11e357b5f229f7c57a7 100644
--- a/core/fpdfapi/parser/cpdf_hint_tables.h
+++ b/core/fpdfapi/parser/cpdf_hint_tables.h
@@ -14,12 +14,12 @@
 #include "core/fxcrt/fx_stream.h"
 
 class CFX_BitStream;
-class CPDF_Linearized;
+class CPDF_Dictionary;
 class CPDF_Stream;
 
 class CPDF_HintTables {
  public:
-  CPDF_HintTables(CPDF_DataAvail* pDataAvail, CPDF_Linearized* pLinearized);
+  CPDF_HintTables(CPDF_DataAvail* pDataAvail, CPDF_Dictionary* pLinearized);
   virtual ~CPDF_HintTables();
 
   bool GetPagePos(uint32_t index,
@@ -46,6 +46,9 @@
   virtual int ReadPrimaryHintStreamOffset() const;
   virtual int ReadPrimaryHintStreamLength() const;
 
+  // Helper for the ReadPrimaryHintStream methods above.
+  int ReadPrimaryHintStream(int index) const;
+
   uint32_t GetItemLength(uint32_t index,
                          const std::vector<FX_FILESIZE>& szArray);
 
@@ -53,7 +56,7 @@
   CPDF_DataAvail* const m_pDataAvail;
 
   // Owned by |m_pDataAvail|.
-  CPDF_Linearized* const m_pLinearized;
+  CPDF_Dictionary* const m_pLinearizedDict;
 
   uint32_t m_nFirstPageSharedObjs;
   FX_FILESIZE m_szFirstPageObjOffset;