Remove FX_BOOL from core

core/fpdfdoc/cpvt_wordplace.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_FPDFDOC_CPVT_WORDPLACE_H_
 #define CORE_FPDFDOC_CPVT_WORDPLACE_H_
 
 #include "core/fxcrt/fx_system.h"
 
 struct CPVT_WordPlace {
   CPVT_WordPlace() : nSecIndex(-1), nLineIndex(-1), nWordIndex(-1) {}
 
   CPVT_WordPlace(int32_t other_nSecIndex,
                  int32_t other_nLineIndex,
                  int32_t other_nWordIndex) {
     nSecIndex = other_nSecIndex;
     nLineIndex = other_nLineIndex;
     nWordIndex = other_nWordIndex;
   }
 
   void Default() { nSecIndex = nLineIndex = nWordIndex = -1; }
 
   bool operator==(const CPVT_WordPlace& wp) const {
     return wp.nSecIndex == nSecIndex && wp.nLineIndex == nLineIndex &&
            wp.nWordIndex == nWordIndex;
   }
 
-  FX_BOOL operator!=(const CPVT_WordPlace& wp) const { return !(*this == wp); }
+  bool operator!=(const CPVT_WordPlace& wp) const { return !(*this == wp); }
 
   inline int32_t WordCmp(const CPVT_WordPlace& wp) const {
     if (nSecIndex > wp.nSecIndex)
       return 1;
     if (nSecIndex < wp.nSecIndex)
       return -1;
     if (nLineIndex > wp.nLineIndex)
       return 1;
     if (nLineIndex < wp.nLineIndex)
       return -1;
@@ skipping 23 matching lines @@
       return -1;
     return 0;
   }
 
   int32_t nSecIndex;
   int32_t nLineIndex;
   int32_t nWordIndex;
 };
 
 #endif  // CORE_FPDFDOC_CPVT_WORDPLACE_H_