core/include/fdpfapi cleanup Part I.

core/include/fpdfapi/cpdf_string.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_INCLUDE_FPDFAPI_CPDF_STRING_H_
-#define CORE_INCLUDE_FPDFAPI_CPDF_STRING_H_
-
-#include "core/include/fpdfapi/cpdf_object.h"
-#include "core/include/fxcrt/fx_string.h"
-#include "core/include/fxcrt/fx_system.h"
-
-class CPDF_String : public CPDF_Object {
- public:
-  CPDF_String();
-  CPDF_String(const CFX_ByteString& str, FX_BOOL bHex);
-  explicit CPDF_String(const CFX_WideString& str);
-
-  // CPDF_Object.
-  Type GetType() const override;
-  CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override;
-  CFX_ByteString GetString() const override;
-  CFX_ByteStringC GetConstString() const override;
-  CFX_WideString GetUnicodeText() const override;
-  void SetString(const CFX_ByteString& str) override;
-  bool IsString() const override;
-  CPDF_String* AsString() override;
-  const CPDF_String* AsString() const override;
-
-  FX_BOOL IsHex() const { return m_bHex; }
-
- protected:
-  ~CPDF_String() override;
-
-  CFX_ByteString m_String;
-  FX_BOOL m_bHex;
-};
-
-#endif  // CORE_INCLUDE_FPDFAPI_CPDF_STRING_H_