Make code compile with clang_use_chrome_plugin (part VI)

xfa/fwl/lightwidget/cfwl_picturebox.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_LIGHTWIDGET_CFWL_PICTUREBOX_H_
 #define XFA_FWL_LIGHTWIDGET_CFWL_PICTUREBOX_H_
 
 #include "xfa/fwl/basewidget/ifwl_picturebox.h"
 #include "xfa/fwl/core/fwl_error.h"
 #include "xfa/fwl/lightwidget/cfwl_widget.h"
 
 class CFWL_PictureBox : public CFWL_Widget {
  public:
+  CFWL_PictureBox();
+  ~CFWL_PictureBox() override;
+
   static CFWL_PictureBox* Create();
+
   FWL_Error Initialize(const CFWL_WidgetProperties* pProperties = NULL);
   CFX_DIBitmap* GetPicture();
   FWL_Error SetPicture(CFX_DIBitmap* pBitmap);
   FX_FLOAT GetRotation();
   FWL_Error SetRotation(FX_FLOAT fRotation);
   int32_t GetFlipMode();
   FWL_Error SetFlipMode(int32_t iFlipMode);
   int32_t GetOpacity();
   FWL_Error SetOpacity(int32_t iOpacity);
   FWL_Error GetScale(FX_FLOAT& fScaleX, FX_FLOAT& fScaleY);
   FWL_Error SetScale(FX_FLOAT fScaleX, FX_FLOAT fScaleY);
   FWL_Error GetOffset(FX_FLOAT& fx, FX_FLOAT& fy);
   FWL_Error SetOffset(FX_FLOAT fx, FX_FLOAT fy);
-  CFWL_PictureBox();
-  virtual ~CFWL_PictureBox();
 
  protected:
   class CFWL_PictureBoxDP : public IFWL_PictureBoxDP {
    public:
-    CFWL_PictureBoxDP() {
-      m_fRotation = 0.0f;
-      m_fScaleX = 1.0f;
-      m_fScaleY = 1.0f;
-      m_fOffSetX = 0.0f;
-      m_fOffSetY = 0.0f;
-      m_pBitmap = NULL;
-    }
-    virtual FWL_Error GetCaption(IFWL_Widget* pWidget,
-                                 CFX_WideString& wsCaption);
-    virtual CFX_DIBitmap* GetPicture(IFWL_Widget* pWidget);
-    virtual CFX_DIBitmap* GetErrorPicture(IFWL_Widget* pWidget);
-    virtual CFX_DIBitmap* GetInitialPicture(IFWL_Widget* pWidget);
-    virtual int32_t GetOpacity(IFWL_Widget* pWidget);
-    virtual int32_t GetFlipMode(IFWL_Widget* pWidget);
-    virtual FWL_Error GetMatrix(IFWL_Widget* pWidget, CFX_Matrix& matrix);
+    CFWL_PictureBoxDP();
+
+    // IFWL_DataProvider
+    FWL_Error GetCaption(IFWL_Widget* pWidget,
+                         CFX_WideString& wsCaption) override;
+
+    // IFWL_PictureBoxDP
+    CFX_DIBitmap* GetPicture(IFWL_Widget* pWidget) override;
+    CFX_DIBitmap* GetErrorPicture(IFWL_Widget* pWidget) override;
+    CFX_DIBitmap* GetInitialPicture(IFWL_Widget* pWidget) override;
+    int32_t GetOpacity(IFWL_Widget* pWidget) override;
+    int32_t GetFlipMode(IFWL_Widget* pWidget) override;
+    FWL_Error GetMatrix(IFWL_Widget* pWidget, CFX_Matrix& matrix) override;
+
     CFX_DIBitmap* m_pBitmap;
     int32_t m_iOpacity;
     int32_t m_iFlipMode;
     FX_FLOAT m_fRotation;
     FX_FLOAT m_fScaleX;
     FX_FLOAT m_fScaleY;
     FX_FLOAT m_fOffSetX;
     FX_FLOAT m_fOffSetY;
     CFX_WideString m_wsData;
   };
+
   CFWL_PictureBoxDP m_PictureBoxDP;
 };
 
 #endif  // XFA_FWL_LIGHTWIDGET_CFWL_PICTUREBOX_H_