[epiphany/wip/ephy-sync: 107/116] ephy-shell: Fix get_global_sync_service() function

[Gabriel - Cristian Ivascu <gabrielivascu src gnome org>]

commit a7b213990bbc1800215dc649dd9c4e16befd3be9
Author: Gabriel Ivascu <ivascu gabriel59 gmail com>
Date:   Sat Jul 23 01:12:59 2016 +0300

    ephy-shell: Fix get_global_sync_service() function

 src/ephy-shell.c        |    9 ++++++---
 src/ephy-shell.h        |    2 +-
 src/ephy-sync-service.c |    3 +--
 src/prefs-dialog.c      |    4 ++--
 4 files changed, 10 insertions(+), 8 deletions(-)
---
diff --git a/src/ephy-shell.c b/src/ephy-shell.c
index 7b4f401..0865492 100644
--- a/src/ephy-shell.c
+++ b/src/ephy-shell.c
@@ -561,8 +561,6 @@ ephy_shell_init (EphyShell *shell)
   ephy_shell = shell;
   g_object_add_weak_pointer (G_OBJECT (ephy_shell),
                              (gpointer *)ptr);
-
-  shell->sync_service = ephy_sync_service_new ();
 }
 
 static void
@@ -614,8 +612,13 @@ ephy_shell_finalize (GObject *object)
  * Return value: (transfer none):
  **/
 EphySyncService *
-ephy_shell_get_global_sync_service (void)
+ephy_shell_get_global_sync_service (EphyShell *shell)
 {
+  g_return_val_if_fail (EPHY_IS_SHELL (shell), NULL);
+
+  if (shell->sync_service == NULL)
+    shell->sync_service = ephy_sync_service_new ();
+
   return ephy_shell->sync_service;
 }
 
diff --git a/src/ephy-shell.h b/src/ephy-shell.h
index 77079ac..6dafee6 100644
--- a/src/ephy-shell.h
+++ b/src/ephy-shell.h
@@ -106,7 +106,7 @@ GtkWidget       *ephy_shell_get_bookmarks_editor         (EphyShell *shell);
 
 EphyBookmarksManager *ephy_shell_get_bookmarks_manager   (EphyShell *shell);
 
-EphySyncService *ephy_shell_get_global_sync_service      (void);
+EphySyncService *ephy_shell_get_global_sync_service      (EphyShell *shell);
 
 GtkWidget       *ephy_shell_get_history_window           (EphyShell *shell);
 
diff --git a/src/ephy-sync-service.c b/src/ephy-sync-service.c
index e3523b8..7384800 100644
--- a/src/ephy-sync-service.c
+++ b/src/ephy-sync-service.c
@@ -475,8 +475,7 @@ ephy_sync_service_init (EphySyncService *self)
 EphySyncService *
 ephy_sync_service_new (void)
 {
-  return EPHY_SYNC_SERVICE (g_object_new (EPHY_TYPE_SYNC_SERVICE,
-                                          NULL));
+  return EPHY_SYNC_SERVICE (g_object_new (EPHY_TYPE_SYNC_SERVICE, NULL));
 }
 
 const gchar *
diff --git a/src/prefs-dialog.c b/src/prefs-dialog.c
index dbb988f..b7146e4 100644
--- a/src/prefs-dialog.c
+++ b/src/prefs-dialog.c
@@ -243,7 +243,7 @@ server_message_received_cb (WebKitUserContentManager *manager,
     inject_data_to_server (dialog, "message", "login", NULL);
     gtk_widget_set_visible (dialog->sync_sign_in_details, FALSE);
 
-    service = ephy_shell_get_global_sync_service ();
+    service = ephy_shell_get_global_sync_service (ephy_shell_get_default ());
 
     /* Extract tokens. */
     data = json_object_get_object_member (detail, "data");
@@ -349,7 +349,7 @@ on_sync_sign_out_button_clicked (GtkWidget   *button,
   EphySyncService *service;
   gchar *sessionToken;
 
-  service = ephy_shell_get_global_sync_service ();
+  service = ephy_shell_get_global_sync_service (ephy_shell_get_default ());
   sessionToken = ephy_sync_service_get_token (service, TOKEN_SESSIONTOKEN);
 
   /* Destroy session and delete tokens. */