Remove FX_BOOL from core

core/fpdfapi/parser/cpdf_object.cpp

 // 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
 
 #include "core/fpdfapi/parser/cpdf_object.h"
 
 #include <algorithm>
 
@@ skipping 45 matching lines @@
 
 int CPDF_Object::GetInteger() const {
   return 0;
 }
 
 CPDF_Dictionary* CPDF_Object::GetDict() const {
   return nullptr;
 }
 
 void CPDF_Object::SetString(const CFX_ByteString& str) {
-  ASSERT(FALSE);
+  ASSERT(false);
 }
 
 bool CPDF_Object::IsArray() const {
   return false;
 }
 
 bool CPDF_Object::IsBoolean() const {
   return false;
 }
 
@@ skipping 77 matching lines @@
   return nullptr;
 }
 
 CPDF_String* CPDF_Object::AsString() {
   return nullptr;
 }
 
 const CPDF_String* CPDF_Object::AsString() const {
   return nullptr;
 }