[gtk+] icon-browser: Stop using gtk_drag_source_set_icon_pixbuf

[Matthias Clasen <matthiasc src gnome org>]

commit c0d6fd4f862adf6c8e883b47a8c7919f6089e80c
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Nov 29 20:01:32 2017 -0500

    icon-browser: Stop using gtk_drag_source_set_icon_pixbuf
    
    We can just use gtk_drag_source_set_icon_name.

 demos/icon-browser/iconbrowserwin.c |    6 +-----
 gtk/gtkwidget.c                     |    2 +-
 2 files changed, 2 insertions(+), 6 deletions(-)
---
diff --git a/demos/icon-browser/iconbrowserwin.c b/demos/icon-browser/iconbrowserwin.c
index 7034f23..1ce4524 100644
--- a/demos/icon-browser/iconbrowserwin.c
+++ b/demos/icon-browser/iconbrowserwin.c
@@ -94,13 +94,9 @@ get_icon (GtkWidget *image, const gchar *name, gint size)
 static void
 set_image (GtkWidget *image, const gchar *name, gint size)
 {
-  GdkPixbuf *pixbuf;
-
   gtk_image_set_from_icon_name (GTK_IMAGE (image), name);
   gtk_image_set_pixel_size (GTK_IMAGE (image), size);
-  pixbuf = get_icon (image, name, size);
-  gtk_drag_source_set_icon_pixbuf (image, pixbuf);
-  g_object_unref (pixbuf);
+  gtk_drag_source_set_icon_name (image, name);
 }
 
 static void
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 8a97c19..68b6d15 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -2623,7 +2623,7 @@ gtk_widget_class_init (GtkWidgetClass *klass)
    *
    * The ::drag-begin signal is emitted on the drag source when a drag is
    * started. A typical reason to connect to this signal is to set up a
-   * custom drag icon with e.g. gtk_drag_source_set_icon_pixbuf().
+   * custom drag icon with e.g. gtk_drag_source_set_icon_surface().
    *
    * Note that some widgets set up a drag icon in the default handler of
    * this signal, so you may have to use g_signal_connect_after() to