[sysprof] app: use gtk_show_uri_on_window()

[Christian Hergert <chergert src gnome org>]

commit fc5dee0ab55803e9e230fd45cdd6b8eedf4e3b5f
Author: Christian Hergert <chergert redhat com>
Date:   Sun Mar 19 21:46:54 2017 -0700

    app: use gtk_show_uri_on_window()
    
    We need the window so that placement is correct on wayland. Also, to avoid
    the deprecated API.

 src/sp-application.c |   16 ++++++++++++----
 1 files changed, 12 insertions(+), 4 deletions(-)
---
diff --git a/src/sp-application.c b/src/sp-application.c
index 17b1d0d..5e2c0da 100644
--- a/src/sp-application.c
+++ b/src/sp-application.c
@@ -197,10 +197,18 @@ sysprof_help (GSimpleAction *action,
               GVariant      *param,
               gpointer       user_data)
 {
-  gtk_show_uri (gdk_screen_get_default (),
-                "help:sysprof",
-                gtk_get_current_event_time (),
-                NULL);
+  SpApplication *self = user_data;
+  GtkWindow *window;
+
+  g_assert (SP_IS_APPLICATION (self));
+  g_assert (G_IS_SIMPLE_ACTION (action));
+
+  window = gtk_application_get_active_window (GTK_APPLICATION (self));
+
+  gtk_show_uri_on_window (window,
+                          "help:sysprof",
+                          gtk_get_current_event_time (),
+                          NULL);
 }
 
 static void