Remove FX_DWORD from core/ and delete definition

core/fpdfapi/fpdf_page/include/cpdf_textobject.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_FPDF_PAGE_INCLUDE_CPDF_TEXTOBJECT_H_
 #define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_TEXTOBJECT_H_
 
 #include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
 #include "core/fxcrt/include/fx_string.h"
 #include "core/fxcrt/include/fx_system.h"
 
 struct CPDF_TextObjectItem {
-  FX_DWORD m_CharCode;
+  uint32_t m_CharCode;
   FX_FLOAT m_OriginX;
   FX_FLOAT m_OriginY;
 };
 
 class CPDF_TextObject : public CPDF_PageObject {
  public:
   CPDF_TextObject();
   ~CPDF_TextObject() override;
 
   // CPDF_PageObject:
   CPDF_TextObject* Clone() const override;
   Type GetType() const override { return TEXT; };
   void Transform(const CFX_Matrix& matrix) override;
   bool IsText() const override { return true; };
   CPDF_TextObject* AsText() override { return this; };
   const CPDF_TextObject* AsText() const override { return this; };
 
   int CountItems() const { return m_nChars; }
   void GetItemInfo(int index, CPDF_TextObjectItem* pInfo) const;
   int CountChars() const;
-  void GetCharInfo(int index, FX_DWORD& charcode, FX_FLOAT& kerning) const;
+  void GetCharInfo(int index, uint32_t& charcode, FX_FLOAT& kerning) const;
   void GetCharInfo(int index, CPDF_TextObjectItem* pInfo) const;
-  FX_FLOAT GetCharWidth(FX_DWORD charcode) const;
+  FX_FLOAT GetCharWidth(uint32_t charcode) const;
   FX_FLOAT GetPosX() const { return m_PosX; }
   FX_FLOAT GetPosY() const { return m_PosY; }
   void GetTextMatrix(CFX_Matrix* pMatrix) const;
   CPDF_Font* GetFont() const { return m_TextState.GetFont(); }
   FX_FLOAT GetFontSize() const { return m_TextState.GetFontSize(); }
 
   void SetText(const CFX_ByteString& text);
   void SetPosition(FX_FLOAT x, FX_FLOAT y);
 
   void RecalcPositionData() { CalcPositionData(nullptr, nullptr, 1); }
 
  protected:
   friend class CPDF_RenderStatus;
   friend class CPDF_StreamContentParser;
   friend class CPDF_TextRenderer;
 
   void SetSegments(const CFX_ByteString* pStrs, FX_FLOAT* pKerning, int nSegs);
 
   void CalcPositionData(FX_FLOAT* pTextAdvanceX,
                         FX_FLOAT* pTextAdvanceY,
                         FX_FLOAT horz_scale,
                         int level = 0);
 
   FX_FLOAT m_PosX;
   FX_FLOAT m_PosY;
   int m_nChars;
-  FX_DWORD* m_pCharCodes;
+  uint32_t* m_pCharCodes;
   FX_FLOAT* m_pCharPos;
 };
 
 #endif  // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_TEXTOBJECT_H_