[gtk+] wayland: Drop an unused function

[Matthias Clasen <matthiasc src gnome org>]

commit 73a3d4b785205319013a79d8d509296bb2b1fd24
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Nov 7 07:43:09 2017 -0500

    wayland: Drop an unused function
    
    We no longer create a root window, so need to have
    a function for it.

 gdk/wayland/gdkprivate-wayland.h |    4 ---
 gdk/wayland/gdkwindow-wayland.c  |   42 --------------------------------------
 2 files changed, 0 insertions(+), 46 deletions(-)
---
diff --git a/gdk/wayland/gdkprivate-wayland.h b/gdk/wayland/gdkprivate-wayland.h
index 98789d6..64ea4e0 100644
--- a/gdk/wayland/gdkprivate-wayland.h
+++ b/gdk/wayland/gdkprivate-wayland.h
@@ -195,10 +195,6 @@ GdkAppLaunchContext *_gdk_wayland_display_get_app_launch_context (GdkDisplay *di
 
 GdkDisplay *_gdk_wayland_display_open (const gchar *display_name);
 
-GdkWindow *_gdk_wayland_display_create_root_window (GdkDisplay *display,
-                                                    int         width,
-                                                    int         height);
-
 GList *gdk_wayland_display_get_toplevel_windows (GdkDisplay *display);
 
 int gdk_wayland_display_get_output_refresh_rate (GdkWaylandDisplay *display_wayland,
diff --git a/gdk/wayland/gdkwindow-wayland.c b/gdk/wayland/gdkwindow-wayland.c
index 235c4e9..3231534 100644
--- a/gdk/wayland/gdkwindow-wayland.c
+++ b/gdk/wayland/gdkwindow-wayland.c
@@ -343,48 +343,6 @@ gdk_wayland_window_update_size (GdkWindow *window,
   cairo_region_destroy (region);
 }
 
-GdkWindow *
-_gdk_wayland_display_create_root_window (GdkDisplay *display,
-                                         int        width,
-                                         int        height)
-{
-  GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (display);
-  GdkWindow *window;
-  GdkWindowImplWayland *impl;
-
-  window = _gdk_display_create_window (GDK_DISPLAY (display_wayland));
-  window->impl = g_object_new (GDK_TYPE_WINDOW_IMPL_WAYLAND, NULL);
-  window->impl_window = window;
-
-  impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
-
-  impl->wrapper = GDK_WINDOW (window);
-  if (display_wayland->compositor_version >= WL_SURFACE_HAS_BUFFER_SCALE &&
-      gdk_display_get_n_monitors (display) > 0)
-    impl->scale = gdk_monitor_get_scale_factor (gdk_display_get_monitor (display, 0));
-
-  /* logical 1x1 fake buffer */
-  impl->staging_cairo_surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
-                                                            impl->scale,
-                                                            impl->scale);
-
-  cairo_surface_set_device_scale (impl->staging_cairo_surface, impl->scale, impl->scale);
-
-  window->window_type = GDK_WINDOW_ROOT;
-
-  window->x = 0;
-  window->y = 0;
-  window->abs_x = 0;
-  window->abs_y = 0;
-  window->width = width;
-  window->height = height;
-  window->viewable = TRUE;
-
-  window->event_mask = GDK_STRUCTURE_MASK;
-
-  return window;
-}
-
 static const gchar *
 get_default_title (void)
 {