Revert of Unify some code

core/fpdfapi/parser/cpdf_linearized.h

Index: core/fpdfapi/parser/cpdf_linearized.h
diff --git a/core/fpdfapi/parser/cpdf_linearized.h b/core/fpdfapi/parser/cpdf_linearized.h
deleted file mode 100644
index caf538e3feeb42df994083bd5146dc73ec5ded5c..0000000000000000000000000000000000000000
--- a/core/fpdfapi/parser/cpdf_linearized.h
+++ /dev/null
@@ -1,55 +0,0 @@
-// 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_LINEARIZED_H_
-#define CORE_FPDFAPI_PARSER_CPDF_LINEARIZED_H_
-
-#include <memory>
-
-#include "core/fxcrt/fx_memory.h"
-#include "core/fxcrt/fx_stream.h"
-
-class CPDF_Dictionary;
-class CPDF_Object;
-
-class CPDF_Linearized {
- public:
-  ~CPDF_Linearized();
-  static std::unique_ptr<CPDF_Linearized> CreateForObject(
-      std::unique_ptr<CPDF_Object> pObj);
-
-  // Will only return values > 0.
-  FX_FILESIZE GetFileSize() const { return m_szFileSize; }
-  uint32_t GetFirstPageNo() const { return m_dwFirstPageNo; }
-  // Will only return values > 0.
-  FX_FILESIZE GetLastXRefOffset() const { return m_szLastXRefOffset; }
-  uint32_t GetPageCount() const { return m_PageCount; }
-  // Will only return values > 0.
-  FX_FILESIZE GetFirstPageEndOffset() const { return m_szFirstPageEndOffset; }
-  // Will only return values > 0.
-  uint32_t GetFirstPageObjNum() const { return m_FirstPageObjNum; }
-
-  bool HasHintTable() const;
-  // Will only return values > 0.
-  FX_FILESIZE GetHintStart() const { return m_szHintStart; }
-  // Will only return values > 0.
-  FX_FILESIZE GetHintLength() const { return m_szHintLength; }
-
- protected:
-  explicit CPDF_Linearized(const CPDF_Dictionary* pDict);
-
- private:
-  FX_FILESIZE m_szFileSize = 0;
-  uint32_t m_dwFirstPageNo = 0;
-  FX_FILESIZE m_szLastXRefOffset = 0;
-  uint32_t m_PageCount = 0;
-  FX_FILESIZE m_szFirstPageEndOffset = 0;
-  uint32_t m_FirstPageObjNum = 0;
-  FX_FILESIZE m_szHintStart = 0;
-  FX_FILESIZE m_szHintLength = 0;
-};
-
-#endif  // CORE_FPDFAPI_PARSER_CPDF_LINEARIZED_H_