Merge to XFA: Switch from nonstd::unique_ptr to std::unique_ptr.

xfa/src/fwl/src/basewidget/fwl_editimp.cpp

Index: xfa/src/fwl/src/basewidget/fwl_editimp.cpp
diff --git a/xfa/src/fwl/src/basewidget/fwl_editimp.cpp b/xfa/src/fwl/src/basewidget/fwl_editimp.cpp
index a35d1e60bff01ce6893cf8fd53e9f431f9e219a2..c9ce62ece77043b4c420b68e0360db05d35f6755 100644
--- a/xfa/src/fwl/src/basewidget/fwl_editimp.cpp
+++ b/xfa/src/fwl/src/basewidget/fwl_editimp.cpp
@@ -1314,7 +1314,7 @@ FX_BOOL CFWL_EditImp::UpdateOffset() {
 }
 FX_BOOL CFWL_EditImp::UpdateOffset(IFWL_ScrollBar* pScrollBar,
                                    FX_FLOAT fPosChanged) {
-  if (pScrollBar == m_pHorzScrollBar) {
+  if (pScrollBar == m_pHorzScrollBar.get()) {
     m_fScrollOffsetX += fPosChanged;
   } else {
     m_fScrollOffsetY += fPosChanged;