Remove FX_BOOL from xfa.

xfa/fde/ifde_txtedtpage.h

 // Copyright 2014 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 XFA_FDE_IFDE_TXTEDTPAGE_H_
 #define XFA_FDE_IFDE_TXTEDTPAGE_H_
 
 #include "xfa/fde/fde_visualset.h"
 #include "xfa/fgas/layout/fgas_textbreak.h"
 
 class CFDE_TxtEdtEngine;
 
 class IFDE_TxtEdtPage : public IFDE_CanvasSet, public IFX_TxtAccess {
  public:
   static IFDE_TxtEdtPage* Create(CFDE_TxtEdtEngine* pEngine, int32_t nIndex);
   ~IFDE_TxtEdtPage() override {}
 
   virtual CFDE_TxtEdtEngine* GetEngine() const = 0;
   virtual int32_t GetCharRect(int32_t nIndex,
                               CFX_RectF& rect,
-                              FX_BOOL bBBox = FALSE) const = 0;
-  virtual int32_t GetCharIndex(const CFX_PointF& fPoint, FX_BOOL& bBefore) = 0;
+                              bool bBBox = false) const = 0;
+  virtual int32_t GetCharIndex(const CFX_PointF& fPoint, bool& bBefore) = 0;
   virtual void CalcRangeRectArray(int32_t nStart,
                                   int32_t nCount,
                                   CFX_RectFArray& RectFArr) const = 0;
   virtual int32_t SelectWord(const CFX_PointF& fPoint, int32_t& nCount) = 0;
   virtual int32_t GetCharStart() const = 0;
   virtual int32_t GetCharCount() const = 0;
 
   virtual int32_t GetDisplayPos(const CFX_RectF& rtClip,
                                 FXTEXT_CHARPOS*& pCharPos,
                                 CFX_RectF* pBBox) const = 0;
-  virtual FX_BOOL IsLoaded(const CFX_RectF* pClipBox) = 0;
+  virtual bool IsLoaded(const CFX_RectF* pClipBox) = 0;
   virtual int32_t LoadPage(const CFX_RectF* pClipBox, IFX_Pause* pPause) = 0;
   virtual void UnloadPage(const CFX_RectF* pClipBox) = 0;
   virtual const CFX_RectF& GetContentsBox() = 0;
 };
 
 #endif  // XFA_FDE_IFDE_TXTEDTPAGE_H_