[gtk+] quartz: Drop use of gdk_display_get_toplevel_windows

[Matthias Clasen <matthiasc src gnome org>]

commit 4f701c71f1d02319c00556445a1a2a72348d202b
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Nov 5 18:28:27 2017 -0500

    quartz: Drop use of gdk_display_get_toplevel_windows
    
    We can use the newly added helper function for this.

 gdk/quartz/GdkQuartzNSWindow.c |    4 +---
 gdk/quartz/gdkscreen-quartz.c  |    5 +----
 2 files changed, 2 insertions(+), 7 deletions(-)
---
diff --git a/gdk/quartz/GdkQuartzNSWindow.c b/gdk/quartz/GdkQuartzNSWindow.c
index bf366c0..f6c50bc 100644
--- a/gdk/quartz/GdkQuartzNSWindow.c
+++ b/gdk/quartz/GdkQuartzNSWindow.c
@@ -727,7 +727,7 @@ update_context_from_dragging_info (id <NSDraggingInfo> sender)
 
       event->dnd.context->dest_window = NULL;
 
-      windows = gdk_display_get_toplevel_windows (display);
+      windows = get_toplevels ();
       _gdk_quartz_window_nspoint_to_gdk_xy (aPoint, &gx, &gy);
 
       for (list = windows; list; list = list->next)
@@ -743,8 +743,6 @@ update_context_from_dragging_info (id <NSDraggingInfo> sender)
           if (gx > wx && gy > wy && gx <= wx + ww && gy <= wy + wh)
             event->dnd.context->dest_window = win;
         }
-
-      g_list_free (windows);
     }
 
   device = gdk_drag_context_get_device (_gdk_quartz_drag_source_context);
diff --git a/gdk/quartz/gdkscreen-quartz.c b/gdk/quartz/gdkscreen-quartz.c
index d3001d5..b4b8490 100644
--- a/gdk/quartz/gdkscreen-quartz.c
+++ b/gdk/quartz/gdkscreen-quartz.c
@@ -214,12 +214,9 @@ _gdk_quartz_screen_update_window_sizes (GdkScreen *screen)
   _gdk_root->abs_x = 0;
   _gdk_root->abs_y = 0;
 
-  windows = gdk_display_get_toplevel_windows (GDK_QUARTZ_SCREEN (screen)->display);
-
+  windows = get_toplevels ();
   for (list = windows; list; list = list->next)
     _gdk_quartz_window_update_position (list->data);
-
-  g_list_free (windows);
 }
 
 static void