Split fwl/core class pt I.

xfa/fwl/core/ifwl_listbox.h

Index: xfa/fwl/core/ifwl_listbox.h
diff --git a/xfa/fwl/core/ifwl_listbox.h b/xfa/fwl/core/ifwl_listbox.h
index 5912656ac55b312241ee343399faaa08f30c7e58..1d234fa50647707553c99978ef0f197a34b99eb8 100644
--- a/xfa/fwl/core/ifwl_listbox.h
+++ b/xfa/fwl/core/ifwl_listbox.h
@@ -38,42 +38,6 @@ class CFWL_MsgMouse;
 class CFWL_MsgMouseWheel;
 class CFX_DIBitmap;
 
-class IFWL_ListBoxDP : public IFWL_DataProvider {
- public:
-  virtual int32_t CountItems(const IFWL_Widget* pWidget) const = 0;
-  virtual CFWL_ListItem* GetItem(const IFWL_Widget* pWidget,
-                                 int32_t nIndex) const = 0;
-  virtual int32_t GetItemIndex(IFWL_Widget* pWidget, CFWL_ListItem* pItem) = 0;
-  virtual uint32_t GetItemStyles(IFWL_Widget* pWidget,
-                                 CFWL_ListItem* pItem) = 0;
-  virtual void GetItemText(IFWL_Widget* pWidget,
-                           CFWL_ListItem* pItem,
-                           CFX_WideString& wsText) = 0;
-  virtual void GetItemRect(IFWL_Widget* pWidget,
-                           CFWL_ListItem* pItem,
-                           CFX_RectF& rtItem) = 0;
-  virtual void* GetItemData(IFWL_Widget* pWidget, CFWL_ListItem* pItem) = 0;
-  virtual void SetItemStyles(IFWL_Widget* pWidget,
-                             CFWL_ListItem* pItem,
-                             uint32_t dwStyle) = 0;
-  virtual void SetItemRect(IFWL_Widget* pWidget,
-                           CFWL_ListItem* pItem,
-                           const CFX_RectF& rtItem) = 0;
-  virtual CFX_DIBitmap* GetItemIcon(IFWL_Widget* pWidget,
-                                    CFWL_ListItem* pItem) = 0;
-  virtual void GetItemCheckRect(IFWL_Widget* pWidget,
-                                CFWL_ListItem* pItem,
-                                CFX_RectF& rtCheck) = 0;
-  virtual void SetItemCheckRect(IFWL_Widget* pWidget,
-                                CFWL_ListItem* pItem,
-                                const CFX_RectF& rtCheck) = 0;
-  virtual uint32_t GetItemCheckState(IFWL_Widget* pWidget,
-                                     CFWL_ListItem* pItem) = 0;
-  virtual void SetItemCheckState(IFWL_Widget* pWidget,
-                                 CFWL_ListItem* pItem,
-                                 uint32_t dwCheckState) = 0;
-};
-
 class IFWL_ListBox : public IFWL_Widget {
  public:
   IFWL_ListBox(const IFWL_App* app,