[gnome-shell] run-js-test: fix running in hi-dpi mode

[Owen Taylor <otaylor src gnome org>]

commit c4584c20dc6c8a91ed3df31230c2ebb3e24cb803
Author: Owen W. Taylor <otaylor fishsoup net>
Date:   Tue Oct 27 15:51:13 2015 -0400

    run-js-test: fix running in hi-dpi mode

 src/run-js-test.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/src/run-js-test.c b/src/run-js-test.c
index b90c0b6..bd76d95 100644
--- a/src/run-js-test.c
+++ b/src/run-js-test.c
@@ -59,6 +59,8 @@ main(int argc, char **argv)
   gsize len;
   int code;
 
+  gdk_set_allowed_backends("x11");
+
   gtk_init (&argc, &argv);
 
   clutter_x11_set_display (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()));
@@ -66,6 +68,9 @@ main(int argc, char **argv)
   if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
     return 1;
 
+  g_object_set (clutter_settings_get_default (), "window-scaling-factor", 1, NULL);
+  gdk_x11_display_set_window_scale (gdk_display_get_default (), 1);
+
   context = g_option_context_new (NULL);
 
   /* pass unknown through to the JS script */