Remove FX_BOOL from xfa.

xfa/fxbarcode/cbc_code39.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_FXBARCODE_CBC_CODE39_H_
 #define XFA_FXBARCODE_CBC_CODE39_H_
 
 #include "core/fxcrt/fx_string.h"
 #include "core/fxcrt/fx_system.h"
 #include "core/fxge/fx_dib.h"
 #include "xfa/fxbarcode/cbc_onecode.h"
 
 class CBC_Code39 : public CBC_OneCode {
  public:
   CBC_Code39();
   ~CBC_Code39() override;
 
   // CBC_OneCode:
-  FX_BOOL Encode(const CFX_WideStringC& contents,
-                 FX_BOOL isDevice,
-                 int32_t& e) override;
-  FX_BOOL RenderDevice(CFX_RenderDevice* device,
-                       const CFX_Matrix* matrix,
-                       int32_t& e) override;
-  FX_BOOL RenderBitmap(CFX_DIBitmap*& pOutBitmap, int32_t& e) override;
+  bool Encode(const CFX_WideStringC& contents,
+              bool isDevice,
+              int32_t& e) override;
+  bool RenderDevice(CFX_RenderDevice* device,
+                    const CFX_Matrix* matrix,
+                    int32_t& e) override;
+  bool RenderBitmap(CFX_DIBitmap*& pOutBitmap, int32_t& e) override;
   BC_TYPE GetType() override;
 
-  FX_BOOL SetTextLocation(BC_TEXT_LOC location);
-  FX_BOOL SetWideNarrowRatio(int32_t ratio);
+  bool SetTextLocation(BC_TEXT_LOC location);
+  bool SetWideNarrowRatio(int32_t ratio);
 
  private:
   CFX_WideString m_renderContents;
 };
 
 #endif  // XFA_FXBARCODE_CBC_CODE39_H_