Cleanup default FWL params part I

xfa/fwl/core/cfwl_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_CFWL_WIDGET_H_
 #define XFA_FWL_CORE_CFWL_WIDGET_H_
 #include <memory>
 
@@ skipping 33 matching lines @@
 class CFWL_WidgetMgr;
 class CFWL_WidgetProperties;
 class IFWL_ThemeProvider;
 
 class CFWL_Widget : public IFWL_WidgetDelegate {
  public:
   ~CFWL_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 GetWidgetRect(CFX_RectF& rect, bool bAutoSize);
   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 SetStates(uint32_t dwStates);
+  virtual void RemoveStates(uint32_t dwStates);
   virtual void Update() = 0;
   virtual FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy);
   virtual void DrawWidget(CFX_Graphics* pGraphics,
-                          const CFX_Matrix* pMatrix = nullptr) = 0;
+                          const CFX_Matrix* pMatrix) = 0;
   virtual void SetThemeProvider(IFWL_ThemeProvider* pThemeProvider);
 
   // IFWL_WidgetDelegate.
   void OnProcessMessage(CFWL_Message* pMessage) override;
   void OnProcessEvent(CFWL_Event* pEvent) override;
   void OnDrawWidget(CFX_Graphics* pGraphics,
                     const CFX_Matrix* pMatrix = nullptr) override;
 
   void SetWidgetRect(const CFX_RectF& rect);
 
@@ skipping 112 matching lines @@
                       const CFX_Matrix* pMatrix = nullptr);
   void NotifyDriver();
   bool IsParent(CFWL_Widget* pParent);
 
   void* m_pLayoutItem;
   uint32_t m_nEventKey;
   IFWL_WidgetDelegate* m_pDelegate;  // Not owned.
 };
 
 #endif  // XFA_FWL_CORE_CFWL_WIDGET_H_