Re-enable MSVC warning 4800 for compiling with chromium_code

fpdfsdk/src/pdfwindow/PWL_SpecialButton.cpp

 // 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
 
 #include "fpdfsdk/include/pdfwindow/PWL_Button.h"
 #include "fpdfsdk/include/pdfwindow/PWL_SpecialButton.h"
 #include "fpdfsdk/include/pdfwindow/PWL_Utils.h"
 #include "fpdfsdk/include/pdfwindow/PWL_Wnd.h"
 
 CPWL_PushButton::CPWL_PushButton() {}
 
 CPWL_PushButton::~CPWL_PushButton() {}
 
 CFX_ByteString CPWL_PushButton::GetClassName() const {
   return "CPWL_PushButton";
 }
 
 CFX_FloatRect CPWL_PushButton::GetFocusRect() const {
   return CPWL_Utils::DeflateRect(GetWindowRect(), (FX_FLOAT)GetBorderWidth());
 }
 
-CPWL_CheckBox::CPWL_CheckBox() : m_bChecked(FALSE) {}
+CPWL_CheckBox::CPWL_CheckBox() : m_bChecked(false) {}
 
 CPWL_CheckBox::~CPWL_CheckBox() {}
 
 CFX_ByteString CPWL_CheckBox::GetClassName() const {
   return "CPWL_CheckBox";
 }
 
-void CPWL_CheckBox::SetCheck(FX_BOOL bCheck) {
+void CPWL_CheckBox::SetCheck(bool bCheck) {
   m_bChecked = bCheck;
 }
 
-FX_BOOL CPWL_CheckBox::IsChecked() const {
+bool CPWL_CheckBox::IsChecked() const {
   return m_bChecked;
 }
 
 FX_BOOL CPWL_CheckBox::OnLButtonUp(const CFX_FloatPoint& point,
                                    FX_DWORD nFlag) {
   if (IsReadOnly())
     return FALSE;
 
   SetCheck(!IsChecked());
   return TRUE;
 }
 
 FX_BOOL CPWL_CheckBox::OnChar(FX_WORD nChar, FX_DWORD nFlag) {
   SetCheck(!IsChecked());
   return TRUE;
 }
 
-CPWL_RadioButton::CPWL_RadioButton() : m_bChecked(FALSE) {}
+CPWL_RadioButton::CPWL_RadioButton() : m_bChecked(false) {}
 
 CPWL_RadioButton::~CPWL_RadioButton() {}
 
 CFX_ByteString CPWL_RadioButton::GetClassName() const {
   return "CPWL_RadioButton";
 }
 
 FX_BOOL CPWL_RadioButton::OnLButtonUp(const CFX_FloatPoint& point,
                                       FX_DWORD nFlag) {
   if (IsReadOnly())
     return FALSE;
 
   SetCheck(TRUE);
   return TRUE;
 }
 
-void CPWL_RadioButton::SetCheck(FX_BOOL bCheck) {
+void CPWL_RadioButton::SetCheck(bool bCheck) {
   m_bChecked = bCheck;
 }
 
-FX_BOOL CPWL_RadioButton::IsChecked() const {
+bool CPWL_RadioButton::IsChecked() const {
   return m_bChecked;
 }
 
 FX_BOOL CPWL_RadioButton::OnChar(FX_WORD nChar, FX_DWORD nFlag) {
   SetCheck(TRUE);
   return TRUE;
 }