FX_BOOL considered harmful.

core/src/fxge/dib/dib_int.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 CORE_SRC_FXGE_DIB_DIB_INT_H_
 #define CORE_SRC_FXGE_DIB_DIB_INT_H_
 
 class CPDF_FixedMatrix
@@ skipping 45 matching lines @@
     int                         m_DestMin, m_ItemSize;
     uint8_t*            m_pWeightTables;
 };
 class CStretchEngine
 {
 public:
     CStretchEngine(IFX_ScanlineComposer* pDestBitmap, FXDIB_Format dest_format,
                    int dest_width, int dest_height, const FX_RECT& clip_rect,
                    const CFX_DIBSource* pSrcBitmap, int flags);
     ~CStretchEngine();
-    FX_BOOL             Continue(IFX_Pause* pPause);
+    bool                Continue(IFX_Pause* pPause);
 public:
     FXDIB_Format m_DestFormat;
     int         m_DestBpp, m_SrcBpp, m_bHasAlpha;
     IFX_ScanlineComposer*       m_pDestBitmap;
     int         m_DestWidth, m_DestHeight;
     FX_RECT     m_DestClip;
     uint8_t*    m_pDestScanline;
     uint8_t*   m_pDestMaskScanline;
     FX_RECT     m_SrcClip;
     const CFX_DIBSource*        m_pSource;
     FX_DWORD*   m_pSrcPalette;
     int         m_SrcWidth, m_SrcHeight;
     int         m_SrcPitch, m_InterPitch;
     int m_ExtraMaskPitch;
     unsigned char*      m_pInterBuf;
     unsigned char*      m_pExtraAlphaBuf;
     int         m_TransMethod;
     int         m_Flags;
     CWeightTable        m_WeightTable;
     int         m_CurRow;
-    FX_BOOL     StartStretchHorz();
-    FX_BOOL     ContinueStretchHorz(IFX_Pause* pPause);
+    bool        StartStretchHorz();
+    bool        ContinueStretchHorz(IFX_Pause* pPause);
     void        StretchVert();
     int         m_State;
 };
 
 #endif  // CORE_SRC_FXGE_DIB_DIB_INT_H_