Cleanup default FWL params part I

xfa/fwl/core/cfwl_combobox.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_CFWL_COMBOBOX_H_
 #define XFA_FWL_CORE_CFWL_COMBOBOX_H_
 
 #include <memory>
@@ skipping 36 matching lines @@
 #define FWL_STYLEEXT_CMB_ListItemIconText (1L << 12)
 #define FWL_STYLEEXT_CMB_ReadOnly (1L << 13)
 
 class CFWL_ComboBox : public CFWL_Widget {
  public:
   explicit CFWL_ComboBox(const CFWL_App* pApp);
   ~CFWL_ComboBox() override;
 
   // CFWL_Widget
   FWL_Type GetClassID() const override;
-  void GetWidgetRect(CFX_RectF& rect, bool bAutoSize = false) override;
+  void GetWidgetRect(CFX_RectF& rect, bool bAutoSize) override;
   void ModifyStylesEx(uint32_t dwStylesExAdded,
                       uint32_t dwStylesExRemoved) override;
-  void SetStates(uint32_t dwStates, bool bSet = true) override;
+  void SetStates(uint32_t dwStates) override;
+  void RemoveStates(uint32_t dwStates) override;
   void Update() override;
   FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy) override;
-  void DrawWidget(CFX_Graphics* pGraphics,
-                  const CFX_Matrix* pMatrix = nullptr) override;
+  void DrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix) override;
   void SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) override;
   void OnProcessMessage(CFWL_Message* pMessage) override;
   void OnProcessEvent(CFWL_Event* pEvent) override;
   void OnDrawWidget(CFX_Graphics* pGraphics,
                     const CFX_Matrix* pMatrix) override;
 
   void GetTextByIndex(int32_t iIndex, CFX_WideString& wsText) const;
   int32_t GetCurSel() const { return m_iCurSel; }
   void SetCurSel(int32_t iSel);
 
@@ skipping 89 matching lines @@
   CFWL_ComboBoxProxy* m_pComboBoxProxy;  // Can this be a unique_ptr?
   bool m_bLButtonDown;
   bool m_bUpFormHandler;
   int32_t m_iCurSel;
   int32_t m_iBtnState;
   FX_FLOAT m_fComboFormHandler;
   FX_FLOAT m_fItemHeight;
 };
 
 #endif  // XFA_FWL_CORE_CFWL_COMBOBOX_H_