[gtk+] tests: Stop using gdk_pango_get_context_for_display

[Matthias Clasen <matthiasc src gnome org>]

commit 1641ef4799bab044d5254202e05c5007dc3afed7
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Oct 31 18:14:08 2017 -0400

    tests: Stop using gdk_pango_get_context_for_display
    
    This api is going away.

 tests/rendernode-create-tests.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/tests/rendernode-create-tests.c b/tests/rendernode-create-tests.c
index 7990824..5139f50 100644
--- a/tests/rendernode-create-tests.c
+++ b/tests/rendernode-create-tests.c
@@ -362,9 +362,16 @@ text (guint n)
   PangoFontDescription *desc;
   PangoContext *context;
   PangoLayout *layout;
+  GtkSettings *settings;
+  int dpi_int;
   int i;
 
-  context = gdk_pango_context_get_for_display (gdk_display_get_default ());
+  context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
+
+  settings = gtk_settings_get_default ();
+  g_object_get (settings, "gtk-xft-dpi", &dpi_int, NULL);
+  if (dpi_int > 0)
+    pango_cairo_context_set_resolution (context, dpi_int / 1024.);
 
   desc = pango_font_description_new ();
   pango_font_description_set_family (desc, "Cantarell");