Remove SetDataProvider from IFWL_Widget

xfa/fwl/core/fwl_widgetimp.cpp

Index: xfa/fwl/core/fwl_widgetimp.cpp
diff --git a/xfa/fwl/core/fwl_widgetimp.cpp b/xfa/fwl/core/fwl_widgetimp.cpp
index b59fd27713695f0c5689a24d3920589f7c21f277..890f0da8aff7b3067f421942eec4432981895b9a 100644
--- a/xfa/fwl/core/fwl_widgetimp.cpp
+++ b/xfa/fwl/core/fwl_widgetimp.cpp
@@ -156,9 +156,6 @@ IFWL_ThemeProvider* IFWL_Widget::GetThemeProvider() {
 FWL_Error IFWL_Widget::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) {
   return GetImpl()->SetThemeProvider(pThemeProvider);
 }
-FWL_Error IFWL_Widget::SetDataProvider(IFWL_DataProvider* pDataProvider) {
-  return GetImpl()->SetDataProvider(pDataProvider);
-}
 IFWL_WidgetDelegate* IFWL_Widget::SetDelegate(IFWL_WidgetDelegate* pDelegate) {
   return GetImpl()->SetDelegate(pDelegate);
 }
@@ -474,10 +471,6 @@ FWL_Error CFWL_WidgetImp::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) {
   m_pProperties->m_pThemeProvider = pThemeProvider;
   return FWL_Error::Succeeded;
 }
-FWL_Error CFWL_WidgetImp::SetDataProvider(IFWL_DataProvider* pDataProvider) {
-  m_pProperties->m_pDataProvider = pDataProvider;
-  return FWL_Error::Succeeded;
-}
 IFWL_WidgetDelegate* CFWL_WidgetImp::SetDelegate(
     IFWL_WidgetDelegate* pDelegate) {
   if (!m_pCurDelegate) {