Remove DataProvider from CFWL_WidgetProperties

xfa/fwl/core/ifwl_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_CORE_IFWL_WIDGET_H_
 #define XFA_FWL_CORE_IFWL_WIDGET_H_
 
 #include <memory>
@@ skipping 46 matching lines @@
 class CFWL_Widget;
 class CFWL_WidgetProperties;
 class CFWL_WidgetMgr;
 class CFWL_App;
 class IFWL_ThemeProvider;
 class IFWL_Widget;
 enum class FWL_Type;
 
 class IFWL_Widget : public IFWL_WidgetDelegate {
  public:
-  class DataProvider {};
-
   ~IFWL_Widget() override;
 
   virtual FWL_Type GetClassID() const = 0;
   virtual bool IsInstance(const CFX_WideStringC& wsClass) const;
   virtual void GetWidgetRect(CFX_RectF& rect, bool bAutoSize = false);
   virtual void GetClientRect(CFX_RectF& rect);
   virtual void ModifyStylesEx(uint32_t dwStylesExAdded,
                               uint32_t dwStylesExRemoved);
   virtual void SetStates(uint32_t dwStates, bool bSet = true);
   virtual void Update() = 0;
@@ skipping 22 matching lines @@
 
   void LockUpdate() { m_iLock++; }
   void UnlockUpdate() {
     if (IsLocked())
       m_iLock--;
   }
 
   void TransformTo(IFWL_Widget* pWidget, FX_FLOAT& fx, FX_FLOAT& fy);
   void GetMatrix(CFX_Matrix& matrix, bool bGlobal = false);
   IFWL_ThemeProvider* GetThemeProvider() const;
-  IFWL_Widget::DataProvider* GetDataProvider() const;
 
   void SetDelegate(IFWL_WidgetDelegate* delegate) { m_pDelegate = delegate; }
   IFWL_WidgetDelegate* GetDelegate() {
     return m_pDelegate ? m_pDelegate : this;
   }
   const IFWL_WidgetDelegate* GetDelegate() const {
     return m_pDelegate ? m_pDelegate : this;
   }
 
   const CFWL_App* GetOwnerApp() const { return m_pOwnerApp; }
@@ skipping 89 matching lines @@
   void NotifyDriver();
   bool IsParent(IFWL_Widget* pParent);
 
   void* m_pLayoutItem;
   CFWL_Widget* m_pAssociate;
   uint32_t m_nEventKey;
   IFWL_WidgetDelegate* m_pDelegate;  // Not owned.
 };
 
 #endif  // XFA_FWL_CORE_IFWL_WIDGET_H_