Remove FX_BOOL from xfa.

xfa/fxgraphics/cfx_shading.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 XFA_FXGRAPHICS_CFX_SHADING_H_
 #define XFA_FXGRAPHICS_CFX_SHADING_H_
 
 #include "core/fxcrt/fx_coordinates.h"
 #include "core/fxcrt/fx_system.h"
 #include "core/fxge/fx_dib.h"
 
 #define FX_SHADING_Steps 256
 
 enum CFX_Shading_Type { FX_SHADING_Axial = 1, FX_SHADING_Radial };
 
 class CFX_Shading {
  public:
   // Axial shading.
   CFX_Shading(const CFX_PointF& beginPoint,
               const CFX_PointF& endPoint,
-              FX_BOOL isExtendedBegin,
-              FX_BOOL isExtendedEnd,
+              bool isExtendedBegin,
+              bool isExtendedEnd,
               const FX_ARGB beginArgb,
               const FX_ARGB endArgb);
 
   // Radial shading.
   CFX_Shading(const CFX_PointF& beginPoint,
               const CFX_PointF& endPoint,
               const FX_FLOAT beginRadius,
               const FX_FLOAT endRadius,
-              FX_BOOL isExtendedBegin,
-              FX_BOOL isExtendedEnd,
+              bool isExtendedBegin,
+              bool isExtendedEnd,
               const FX_ARGB beginArgb,
               const FX_ARGB endArgb);
   virtual ~CFX_Shading();
 
  private:
   friend class CFX_Graphics;
 
   void InitArgbArray();
 
   const CFX_Shading_Type m_type;
   const CFX_PointF m_beginPoint;
   const CFX_PointF m_endPoint;
   const FX_FLOAT m_beginRadius;
   const FX_FLOAT m_endRadius;
-  const FX_BOOL m_isExtendedBegin;
-  const FX_BOOL m_isExtendedEnd;
+  const bool m_isExtendedBegin;
+  const bool m_isExtendedEnd;
   const FX_ARGB m_beginArgb;
   const FX_ARGB m_endArgb;
   FX_ARGB m_argbArray[FX_SHADING_Steps];
 };
 
 #endif  // XFA_FXGRAPHICS_CFX_SHADING_H_