1 files changed, 4 insertions, 0 deletions
diff --git a/ui/views/widget/native_widget_private.h b/ui/views/widget/native_widget_private.h
index 0c28578d..3c6f370 100644
--- a/ui/views/widget/native_widget_private.h
+++ b/ui/views/widget/native_widget_private.h
@@ -221,6 +221,10 @@ class VIEWS_EXPORT NativeWidgetPrivate : public NativeWidget {
       Widget::MoveLoopEscapeBehavior escape_behavior) = 0;
   virtual void EndMoveLoop() = 0;
   virtual void SetVisibilityChangedAnimationsEnabled(bool value) = 0;
+  virtual void SetVisibilityAnimationDuration(
+      const base::TimeDelta& duration) = 0;
+  virtual void SetVisibilityAnimationTransition(
+      Widget::VisibilityTransition transition) = 0;
   virtual ui::NativeTheme* GetNativeTheme() const = 0;
   virtual void OnRootViewLayout() = 0;
   virtual bool IsTranslucentWindowOpacitySupported() const = 0;