Use smart pointers for class owned pointers in xfa/fwl/theme

xfa/fwl/theme/cfwl_checkboxtp.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_THEME_CFWL_CHECKBOXTP_H_
 #define XFA_FWL_THEME_CFWL_CHECKBOXTP_H_
 
+#include <memory>
+
 #include "xfa/fwl/theme/cfwl_utils.h"
 #include "xfa/fwl/theme/cfwl_widgettp.h"
 
 class CFWL_CheckBoxTP : public CFWL_WidgetTP {
  public:
   CFWL_CheckBoxTP();
   ~CFWL_CheckBoxTP() override;
 
   // CFWL_WidgeTP
   bool IsValidWidget(IFWL_Widget* pWidget) override;
   uint32_t SetThemeID(IFWL_Widget* pWidget,
                       uint32_t dwThemeID,
                       FX_BOOL bChildren = TRUE) override;
   FX_BOOL DrawText(CFWL_ThemeText* pParams) override;
   FX_BOOL DrawBackground(CFWL_ThemeBackground* pParams) override;
   FWL_Error Initialize() override;
   FWL_Error Finalize() override;
 
  protected:
-  void DrawBoxBk(IFWL_Widget* pWidget,
-                 CFX_Graphics* pGraphics,
-                 const CFX_RectF* pRect,
-                 uint32_t dwStates,
-                 CFX_Matrix* pMatrix = nullptr);
-  void DrawSign(IFWL_Widget* pWidget,
-                CFX_Graphics* pGraphics,
-                const CFX_RectF* pRtBox,
-                uint32_t dwStates,
-                CFX_Matrix* pMatrix = nullptr);
-  void DrawSignNeutral(CFX_Graphics* pGraphics,
-                       const CFX_RectF* pRtSign,
-                       CFX_Matrix* pMatrix = nullptr);
-  void DrawSignCheck(CFX_Graphics* pGraphics,
-                     const CFX_RectF* pRtSign,
-                     FX_ARGB argbFill,
-                     CFX_Matrix* pMatrix = nullptr);
-  void DrawSignCircle(CFX_Graphics* pGraphics,
-                      const CFX_RectF* pRtSign,
-                      FX_ARGB argbFill,
-                      CFX_Matrix* pMatrix = nullptr);
-  void DrawSignCross(CFX_Graphics* pGraphics,
-                     const CFX_RectF* pRtSign,
-                     FX_ARGB argbFill,
-                     CFX_Matrix* pMatrix = nullptr);
-  void DrawSignDiamond(CFX_Graphics* pGraphics,
-                       const CFX_RectF* pRtSign,
-                       FX_ARGB argbFill,
-                       CFX_Matrix* pMatrix = nullptr);
-  void DrawSignSquare(CFX_Graphics* pGraphics,
-                      const CFX_RectF* pRtSign,
-                      FX_ARGB argbFill,
-                      CFX_Matrix* pMatrix = nullptr);
-  void DrawSignStar(CFX_Graphics* pGraphics,
-                    const CFX_RectF* pRtSign,
-                    FX_ARGB argbFill,
-                    CFX_Matrix* pMatrix = nullptr);
-  void DrawSignBorder(IFWL_Widget* pWidget,
-                      CFX_Graphics* pGraphics,
-                      const CFX_RectF* pRtBox,
-                      FX_BOOL bDisable = FALSE,
-                      CFX_Matrix* pMatrix = nullptr);
-  void SetThemeData(uint32_t dwID);
-  void initCheckPath(FX_FLOAT fCheckLen);
   struct CKBThemeData {
     FX_ARGB clrBoxBk[13][2];
     FX_ARGB clrSignBorderNormal;
     FX_ARGB clrSignBorderDisable;
     FX_ARGB clrSignCheck;
     FX_ARGB clrSignNeutral;
     FX_ARGB clrSignNeutralNormal;
     FX_ARGB clrSignNeutralHover;
     FX_ARGB clrSignNeutralPressed;
-  } * m_pThemeData;
-  CFX_Path* m_pCheckPath;
+  };
+
+  void DrawBoxBk(IFWL_Widget* pWidget,
+                 CFX_Graphics* pGraphics,
+                 const CFX_RectF* pRect,
+                 uint32_t dwStates,
+                 CFX_Matrix* pMatrix);
+  void DrawSign(IFWL_Widget* pWidget,
+                CFX_Graphics* pGraphics,
+                const CFX_RectF* pRtBox,
+                uint32_t dwStates,
+                CFX_Matrix* pMatrix);
+  void DrawSignNeutral(CFX_Graphics* pGraphics,
+                       const CFX_RectF* pRtSign,
+                       CFX_Matrix* pMatrix);
+  void DrawSignCheck(CFX_Graphics* pGraphics,
+                     const CFX_RectF* pRtSign,
+                     FX_ARGB argbFill,
+                     CFX_Matrix* pMatrix);
+  void DrawSignCircle(CFX_Graphics* pGraphics,
+                      const CFX_RectF* pRtSign,
+                      FX_ARGB argbFill,
+                      CFX_Matrix* pMatrix);
+  void DrawSignCross(CFX_Graphics* pGraphics,
+                     const CFX_RectF* pRtSign,
+                     FX_ARGB argbFill,
+                     CFX_Matrix* pMatrix);
+  void DrawSignDiamond(CFX_Graphics* pGraphics,
+                       const CFX_RectF* pRtSign,
+                       FX_ARGB argbFill,
+                       CFX_Matrix* pMatrix);
+  void DrawSignSquare(CFX_Graphics* pGraphics,
+                      const CFX_RectF* pRtSign,
+                      FX_ARGB argbFill,
+                      CFX_Matrix* pMatrix);
+  void DrawSignStar(CFX_Graphics* pGraphics,
+                    const CFX_RectF* pRtSign,
+                    FX_ARGB argbFill,
+                    CFX_Matrix* pMatrix);
+  void DrawSignBorder(IFWL_Widget* pWidget,
+                      CFX_Graphics* pGraphics,
+                      const CFX_RectF* pRtBox,
+                      FX_BOOL bDisable,
+                      CFX_Matrix* pMatrix);
+  void SetThemeData(uint32_t dwID);
+  void InitCheckPath(FX_FLOAT fCheckLen);
+
+  std::unique_ptr<CKBThemeData> m_pThemeData;
+  std::unique_ptr<CFX_Path> m_pCheckPath;
 };
 
 #endif  // XFA_FWL_THEME_CFWL_CHECKBOXTP_H_