Cleanup default FWL params part I

xfa/fwl/core/cfwl_spinbutton.h

Index: xfa/fwl/core/cfwl_spinbutton.h
diff --git a/xfa/fwl/core/cfwl_spinbutton.h b/xfa/fwl/core/cfwl_spinbutton.h
index 391d55c3e8e9992e8cc00301dd4fe5396603d23d..2993663a58640132783cc8d9f26ea21f3991d583 100644
--- a/xfa/fwl/core/cfwl_spinbutton.h
+++ b/xfa/fwl/core/cfwl_spinbutton.h
@@ -26,11 +26,10 @@ class CFWL_SpinButton : public CFWL_Widget {
 
   // 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 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 OnProcessMessage(CFWL_Message* pMessage) override;
   void OnDrawWidget(CFX_Graphics* pGraphics,
                     const CFX_Matrix* pMatrix) override;