Remove unused widget state flags

xfa/fwl/cfwl_widget.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 "xfa/fwl/cfwl_widget.h"
 
 #include <algorithm>
 #include <utility>
@@ skipping 256 matching lines @@
 }
 
 void CFWL_Widget::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) {
   m_pProperties->m_pThemeProvider = pThemeProvider;
 }
 
 bool CFWL_Widget::IsEnabled() const {
   return (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) == 0;
 }
 
-bool CFWL_Widget::IsActive() const {
-  return (m_pProperties->m_dwStates & FWL_WGTSTATE_Deactivated) == 0;
-}
-
 bool CFWL_Widget::HasBorder() const {
   return !!(m_pProperties->m_dwStyles & FWL_WGTSTYLE_Border);
 }
 
 bool CFWL_Widget::HasEdge() const {
   return !!(m_pProperties->m_dwStyles & FWL_WGTSTYLE_EdgeMask);
 }
 
 bool CFWL_Widget::IsVisible() const {
   return (m_pProperties->m_dwStates & FWL_WGTSTATE_Invisible) == 0;
@@ skipping 417 matching lines @@
     }
     default:
       break;
   }
 }
 
 void CFWL_Widget::OnProcessEvent(CFWL_Event* pEvent) {}
 
 void CFWL_Widget::OnDrawWidget(CFX_Graphics* pGraphics,
                                const CFX_Matrix* pMatrix) {}