modules/javafx.graphics/src/main/native-glass/gtk/glass_window.h

@@ -428,10 +428,11 @@
     void update_window_constraints();
     void set_window_resizable(bool);
     void update_ontop_tree(bool);
     bool on_top_inherited();
     bool effective_on_top();
+    void ensure_window_size();
     WindowContextTop(WindowContextTop&);
     WindowContextTop& operator= (const WindowContextTop&);
 };
 
 void destroy_and_delete_ctx(WindowContext* ctx);