[gnome-font-viewer] Replace deprecated method with main context invocation

[Cosimo Cecchi <cosimoc src gnome org>]

commit beb0a7c67b8a1f72c9c876943fbe76574bbec15b
Author: Robert Roth <robert roth off gmail com>
Date:   Sat Jan 3 13:16:03 2015 +0200

    Replace deprecated method with main context invocation
    
    https://bugzilla.gnome.org/show_bug.cgi?id=739224

 src/font-model.c        |    8 ++++----
 src/sushi-font-loader.c |    4 +---
 2 files changed, 5 insertions(+), 7 deletions(-)
---
diff --git a/src/font-model.c b/src/font-model.c
index ffe33f8..d27ea64 100644
--- a/src/font-model.c
+++ b/src/font-model.c
@@ -298,8 +298,8 @@ ensure_thumbnails_job (GIOSchedulerJob *job,
         g_clear_object (&thumb_file);
         g_clear_object (&info);
 
-        g_io_scheduler_job_send_to_mainloop_async (job, one_thumbnail_done,
-                                                   thumb_info, NULL);
+        g_main_context_invoke (NULL, one_thumbnail_done,
+                               thumb_info);
     }
 
     g_list_free (thumb_infos);
@@ -449,8 +449,8 @@ load_font_infos (GIOSchedulerJob *job,
     if (g_cancellable_is_cancelled (cancellable))
         load_font_infos_data_free (data);
     else
-        g_io_scheduler_job_send_to_mainloop_async (job, font_infos_loaded,
-                                                   data, load_font_infos_data_free);
+        g_main_context_invoke_full (NULL, G_PRIORITY_DEFAULT, font_infos_loaded,
+                                    data, load_font_infos_data_free);
 
     return FALSE;
 }
diff --git a/src/sushi-font-loader.c b/src/sushi-font-loader.c
index 8925bfc..9fb0f77 100644
--- a/src/sushi-font-loader.c
+++ b/src/sushi-font-loader.c
@@ -139,9 +139,7 @@ font_load_job (GIOSchedulerJob *sched_job,
   if (error != NULL)
     g_simple_async_result_take_error (job->result, error);
 
-  g_io_scheduler_job_send_to_mainloop_async (sched_job,
-                                             font_load_job_callback,
-                                             job, NULL);
+  g_main_context_invoke (NULL, font_load_job_callback, job);
 
   return FALSE;
 }