Unify CFWL_WidgetProperties and CFWL_WidgetImpProperties.

xfa/fwl/core/ifwl_tooltip.h

Index: xfa/fwl/core/ifwl_tooltip.h
diff --git a/xfa/fwl/core/ifwl_tooltip.h b/xfa/fwl/core/ifwl_tooltip.h
index c2ad6637397feeea86b6e5d4cdfbb5a2c2dff153..78b7535ebf7f5e0df20483239278156f534e8450 100644
--- a/xfa/fwl/core/ifwl_tooltip.h
+++ b/xfa/fwl/core/ifwl_tooltip.h
@@ -10,7 +10,7 @@
 #include "xfa/fwl/core/ifwl_form.h"
 #include "xfa/fwl/core/ifwl_timer.h"
 
-class CFWL_WidgetImpProperties;
+class CFWL_WidgetProperties;
 class IFWL_Widget;
 class CFWL_ToolTipImpDelegate;
 
@@ -35,7 +35,7 @@ class IFWL_ToolTipDP : public IFWL_DataProvider {
 class IFWL_ToolTip : public IFWL_Form {
  public:
   IFWL_ToolTip(const IFWL_App* app,
-               const CFWL_WidgetImpProperties& properties,
+               std::unique_ptr<CFWL_WidgetProperties> properties,
                IFWL_Widget* pOuter);
   ~IFWL_ToolTip() override;