Remove DataProvider from CFWL_WidgetProperties

xfa/fwl/core/cfwl_picturebox.cpp

Index: xfa/fwl/core/cfwl_picturebox.cpp
diff --git a/xfa/fwl/core/cfwl_picturebox.cpp b/xfa/fwl/core/cfwl_picturebox.cpp
index c1a331a89fcbc0b19a90bd3275158d40e4d209ba..af0cb86514d1a04554eb23300ddf517cc3ebd90a 100644
--- a/xfa/fwl/core/cfwl_picturebox.cpp
+++ b/xfa/fwl/core/cfwl_picturebox.cpp
@@ -18,7 +18,7 @@ void CFWL_PictureBox::Initialize() {
   ASSERT(!m_pIface);
 
   m_pIface = pdfium::MakeUnique<IFWL_PictureBox>(
-      m_pApp, pdfium::MakeUnique<CFWL_WidgetProperties>(this));
+      m_pApp, pdfium::MakeUnique<CFWL_WidgetProperties>());
 
   CFWL_Widget::Initialize();
 }