_GtkPreserveWindow   17 ui/gfx/gtk_native_view_id_manager.h struct _GtkPreserveWindow;
_GtkPreserveWindow  118 ui/gfx/gtk_native_view_id_manager.h     _GtkPreserveWindow* widget;
_GtkPreserveWindow   37 ui/gfx/gtk_preserve_window.h typedef struct _GtkPreserveWindow GtkPreserveWindow;