Cleanup default FWL params part I

xfa/fwl/core/cfwl_pushbutton.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_PUSHBUTTON_H_
 #define XFA_FWL_CORE_CFWL_PUSHBUTTON_H_
 
 #include <memory>
@@ skipping 21 matching lines @@
 class CFX_DIBitmap;
 class CFWL_Widget;
 
 class CFWL_PushButton : public CFWL_Widget {
  public:
   explicit CFWL_PushButton(const CFWL_App*);
   ~CFWL_PushButton() override;
 
   // CFWL_Widget
   FWL_Type GetClassID() const override;
-  void GetWidgetRect(CFX_RectF& rect, bool bAutoSize = false) override;
-  void SetStates(uint32_t dwStates, bool bSet = true) override;
+  void GetWidgetRect(CFX_RectF& rect, bool bAutoSize) override;
+  void SetStates(uint32_t dwStates) override;
   void Update() override;
-  void DrawWidget(CFX_Graphics* pGraphics,
-                  const CFX_Matrix* pMatrix = nullptr) override;
+  void DrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix) override;
   void OnProcessMessage(CFWL_Message* pMessage) override;
   void OnDrawWidget(CFX_Graphics* pGraphics,
                     const CFX_Matrix* pMatrix) override;
 
  private:
   void DrawBkground(CFX_Graphics* pGraphics,
                     IFWL_ThemeProvider* pTheme,
                     const CFX_Matrix* pMatrix);
   uint32_t GetPartStates();
   void UpdateTextOutStyles();
   void OnFocusChanged(CFWL_Message* pMsg, bool bSet);
   void OnLButtonDown(CFWL_MsgMouse* pMsg);
   void OnLButtonUp(CFWL_MsgMouse* pMsg);
   void OnMouseMove(CFWL_MsgMouse* pMsg);
   void OnMouseLeave(CFWL_MsgMouse* pMsg);
   void OnKeyDown(CFWL_MsgKey* pMsg);
 
   CFX_RectF m_rtClient;
   CFX_RectF m_rtCaption;
   bool m_bBtnDown;
   uint32_t m_dwTTOStyles;
   int32_t m_iTTOAlign;
 };
 
 #endif  // XFA_FWL_CORE_CFWL_PUSHBUTTON_H_