[gtk/window-api-cleanup: 3/3] gdk: Drop gdk_surface_set_role

[Matthias Clasen <matthiasc src gnome org>]

commit 4251ec0227e434298764b8a10a07ebf39f192746
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Mar 27 17:15:26 2019 -0400

    gdk: Drop gdk_surface_set_role
    
    This is a very old X session management thing, and you
    will be hard-pressed to find a session manager that can
    make use of it, and even harder-pressed to find apps
    using it to their advantage.

 docs/reference/gdk/gdk4-sections.txt |  1 -
 gdk/gdksurface.c                     | 26 --------------------------
 gdk/gdksurface.h                     |  3 ---
 gdk/gdksurfaceimpl.h                 |  2 --
 4 files changed, 32 deletions(-)
---
diff --git a/docs/reference/gdk/gdk4-sections.txt b/docs/reference/gdk/gdk4-sections.txt
index 281e86f33d..f001a252f8 100644
--- a/docs/reference/gdk/gdk4-sections.txt
+++ b/docs/reference/gdk/gdk4-sections.txt
@@ -279,7 +279,6 @@ gdk_surface_get_children
 gdk_surface_peek_children
 gdk_surface_set_icon_name
 gdk_surface_set_transient_for
-gdk_surface_set_role
 gdk_surface_set_startup_id
 gdk_surface_set_group
 gdk_surface_get_group
diff --git a/gdk/gdksurface.c b/gdk/gdksurface.c
index 689999ba75..49291340da 100644
--- a/gdk/gdksurface.c
+++ b/gdk/gdksurface.c
@@ -4230,32 +4230,6 @@ gdk_surface_set_title (GdkSurface   *surface,
   GDK_SURFACE_IMPL_GET_CLASS (surface->impl)->set_title (surface, title);
 }
 
-/**
- * gdk_surface_set_role:
- * @surface: a toplevel #GdkSurface
- * @role: a string indicating its role
- *
- * When using GTK, typically you should use gtk_window_set_role() instead
- * of this low-level function.
- *
- * The window manager and session manager use a surface’s role to
- * distinguish it from other kinds of surface in the same application.
- * When an application is restarted after being saved in a previous
- * session, all surfaces with the same title and role are treated as
- * interchangeable.  So if you have two surfaces with the same title
- * that should be distinguished for session management purposes, you
- * should set the role on those surfaces. It doesn’t matter what string
- * you use for the role, as long as you have a different role for each
- * non-interchangeable kind of surface.
- *
- **/
-void
-gdk_surface_set_role (GdkSurface   *surface,
-                      const gchar *role)
-{
-  GDK_SURFACE_IMPL_GET_CLASS (surface->impl)->set_role (surface, role);
-}
-
 /**
  * gdk_surface_set_startup_id:
  * @surface: a toplevel #GdkSurface
diff --git a/gdk/gdksurface.h b/gdk/gdksurface.h
index 122ca51ddd..1ec9ec3318 100644
--- a/gdk/gdksurface.h
+++ b/gdk/gdksurface.h
@@ -570,9 +570,6 @@ GDK_AVAILABLE_IN_ALL
 void          gdk_surface_set_title         (GdkSurface   *surface,
                                              const gchar  *title);
 GDK_AVAILABLE_IN_ALL
-void          gdk_surface_set_role          (GdkSurface     *surface,
-                                             const gchar   *role);
-GDK_AVAILABLE_IN_ALL
 void          gdk_surface_set_startup_id    (GdkSurface     *surface,
                                              const gchar   *startup_id);
 GDK_AVAILABLE_IN_ALL
diff --git a/gdk/gdksurfaceimpl.h b/gdk/gdksurfaceimpl.h
index 03342e477f..4dfc42e081 100644
--- a/gdk/gdksurfaceimpl.h
+++ b/gdk/gdksurfaceimpl.h
@@ -136,8 +136,6 @@ struct _GdkSurfaceImplClass
                                          GdkSurfaceHints     geom_mask);
   void         (* set_title)            (GdkSurface   *surface,
                                          const gchar *title);
-  void         (* set_role)             (GdkSurface   *surface,
-                                         const gchar *role);
   void         (* set_startup_id)       (GdkSurface   *surface,
                                          const gchar *startup_id);
   void         (* set_transient_for)    (GdkSurface *surface,