Remove IFWL_CombobBox::DataProvider

xfa/fwl/core/cfwl_combobox.h

Index: xfa/fwl/core/cfwl_combobox.h
diff --git a/xfa/fwl/core/cfwl_combobox.h b/xfa/fwl/core/cfwl_combobox.h
index 2b63c50aada8975d4f7b12d499a3ebeccbd69de6..a670ef22cbd63556cc5402dadb900e191dfa38d3 100644
--- a/xfa/fwl/core/cfwl_combobox.h
+++ b/xfa/fwl/core/cfwl_combobox.h
@@ -13,16 +13,13 @@
 #include "xfa/fwl/core/cfwl_widget.h"
 #include "xfa/fwl/core/ifwl_combobox.h"
 
-class CFWL_ComboBox : public CFWL_Widget, public IFWL_ComboBox::DataProvider {
+class CFWL_ComboBox : public CFWL_Widget, public IFWL_Widget::DataProvider {
  public:
   explicit CFWL_ComboBox(const CFWL_App* pApp);
   ~CFWL_ComboBox() override;
 
   void Initialize();
 
-  // IFWL_ComboBox::DataProvider
-  FX_FLOAT GetListHeight(IFWL_Widget* pWidget) override;
-
   void AddString(const CFX_WideStringC& wsText);
   bool RemoveAt(int32_t iIndex);  // Returns false iff |iIndex| out of range.
   void RemoveAll();
@@ -54,9 +51,6 @@ class CFWL_ComboBox : public CFWL_Widget, public IFWL_ComboBox::DataProvider {
 
   void GetBBox(CFX_RectF& rect);
   void EditModifyStylesEx(uint32_t dwStylesExAdded, uint32_t dwStylesExRemoved);
-
- private:
-  FX_FLOAT m_fMaxListHeight;
 };
 
 #endif  // XFA_FWL_CORE_CFWL_COMBOBOX_H_