[gtk+] color chooser: Set a CSS name

[Matthias Clasen <matthiasc src gnome org>]

commit 2f169a493b367359c1cd5366fdd62a14d8db4c25
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Jan 13 23:34:03 2016 -0500

    color chooser: Set a CSS name
    
    The CSS name for GtkColorChooserWidget is ... colorchooser.

 gtk/gtkcolorchooserwidget.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkcolorchooserwidget.c b/gtk/gtkcolorchooserwidget.c
index 8677da4..85d6c2b 100644
--- a/gtk/gtkcolorchooserwidget.c
+++ b/gtk/gtkcolorchooserwidget.c
@@ -55,6 +55,10 @@
  * The #GtkColorChooserWidget is used in the #GtkColorChooserDialog
  * to provide a dialog for selecting colors.
  *
+ * # CSS names
+ *
+ * GtkColorChooserWidget has a single CSS node with name colorchooser.
+ *
  * Since: 3.4
  */
 
@@ -699,6 +703,8 @@ gtk_color_chooser_widget_class_init (GtkColorChooserWidgetClass *class)
   g_object_class_install_property (object_class, PROP_SHOW_EDITOR,
       g_param_spec_boolean ("show-editor", P_("Show editor"), P_("Show editor"),
                             FALSE, GTK_PARAM_READWRITE));
+
+  gtk_widget_class_set_css_name (GTK_WIDGET_CLASS (class), "colorchooser");
 }
 
 /* GtkColorChooser implementation {{{1 */