[gtk/matthiasc/for-master: 3/8] colorbutton: Use a css name

[Matthias Clasen <matthiasc src gnome org>]

commit 7e4feb092b6f9f8e18ea8ec3f3502762abd5fab2
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Jan 23 23:11:49 2020 -0500

    colorbutton: Use a css name
    
    This was the sole widget to show up as 'widget' in
    the css tree.

 gtk/gtkcolorbutton.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/gtk/gtkcolorbutton.c b/gtk/gtkcolorbutton.c
index 9369e350c0..19759ff8e4 100644
--- a/gtk/gtkcolorbutton.c
+++ b/gtk/gtkcolorbutton.c
@@ -229,6 +229,7 @@ gtk_color_button_class_init (GtkColorButtonClass *klass)
                                                          GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
 
   gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BIN_LAYOUT);
+  gtk_widget_class_set_css_name (widget_class, "colorbutton");
 }
 
 static void