Remove unused CFWL_ListBox code

xfa/fwl/cfwl_listitem.h

Index: xfa/fwl/cfwl_listitem.h
diff --git a/xfa/fwl/cfwl_listitem.h b/xfa/fwl/cfwl_listitem.h
index c4af1d89b5672b56f85a3e3e98249b7aa4d91436..aac67fcb51fd491afb9bf1a78b1f3d8de2fcfac4 100644
--- a/xfa/fwl/cfwl_listitem.h
+++ b/xfa/fwl/cfwl_listitem.h
@@ -10,8 +10,6 @@
 #include "core/fxcrt/fx_coordinates.h"
 #include "core/fxcrt/fx_string.h"
 
-class CFX_DIBitmap;
-
 class CFWL_ListItem {
  public:
   explicit CFWL_ListItem(const CFX_WideString& text);
@@ -20,18 +18,8 @@ class CFWL_ListItem {
   CFX_RectF GetRect() const { return m_rtItem; }
   void SetRect(const CFX_RectF& rect) { m_rtItem = rect; }
 
-  uint32_t GetStyles() const { return m_dwStates; }
-  void SetStyles(uint32_t dwStyle) { m_dwStates = dwStyle; }
-
-  CFX_RectF GetCheckRect() const { return m_rtCheckBox; }
-  void SetCheckRect(const CFX_RectF& rtCheck) { m_rtCheckBox = rtCheck; }
-
-  uint32_t GetStates() const { return GetStyles() | GetCheckState(); }
-
-  uint32_t GetCheckState() const { return m_dwCheckState; }
-  void SetCheckState(uint32_t dwCheckState) { m_dwCheckState = dwCheckState; }
-
-  CFX_DIBitmap* GetIcon() const { return m_pDIB; }
+  uint32_t GetStates() const { return m_dwStates; }
+  void SetStates(uint32_t dwStates) { m_dwStates = dwStates; }
 
   CFX_WideString GetText() const { return m_wsText; }
 
@@ -39,9 +27,6 @@ class CFWL_ListItem {
   CFX_RectF m_rtItem;
   uint32_t m_dwStates;
   CFX_WideString m_wsText;
-  CFX_DIBitmap* m_pDIB;
-  uint32_t m_dwCheckState;
-  CFX_RectF m_rtCheckBox;
 };
 
 #endif  // XFA_FWL_CFWL_LISTITEM_H_