Remove unused widget state flags

xfa/fwl/cfwl_widget.h

 // 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
 
 #ifndef XFA_FWL_CFWL_WIDGET_H_
 #define XFA_FWL_CFWL_WIDGET_H_
 #include <memory>
 
@@ skipping 101 matching lines @@
   void SetFocus(bool bFocus);
   void RepaintRect(const CFX_RectF& pRect);
   void Repaint();
 
  protected:
   CFWL_Widget(const CFWL_App* app,
               std::unique_ptr<CFWL_WidgetProperties> properties,
               CFWL_Widget* pOuter);
 
   bool IsEnabled() const;
-  bool IsActive() const;
   bool IsLocked() const { return m_iLock > 0; }
   bool HasBorder() const;
   bool HasEdge() const;
   CFX_RectF GetEdgeRect();
   FX_FLOAT GetBorderSize(bool bCX);
   FX_FLOAT GetEdgeWidth();
   CFX_RectF GetRelativeRect();
   void* GetThemeCapacity(CFWL_WidgetCapacity dwCapacity);
   IFWL_ThemeProvider* GetAvailableTheme();
   CFX_SizeF CalcTextSize(const CFX_WideString& wsText,
@@ skipping 56 matching lines @@
                       const CFX_Matrix* pMatrix);
   void NotifyDriver();
   bool IsParent(CFWL_Widget* pParent);
 
   CXFA_FFWidget* m_pLayoutItem;
   uint32_t m_nEventKey;
   IFWL_WidgetDelegate* m_pDelegate;  // Not owned.
 };
 
 #endif  // XFA_FWL_CFWL_WIDGET_H_