[gtk/wip/baedert/nodeeditor: 19/42] rendernodeparser: Don't add single nodes to a container node

[Timm Bäder <baedert src gnome org>]

commit e708ce801f2c096e0eb7eb1e3c199703edb78db4
Author: Timm Bäder <mail baedert org>
Date:   Tue Apr 23 17:52:28 2019 +0200

    rendernodeparser: Don't add single nodes to a container node

 gsk/gskrendernodeparser.c | 9 +++++++++
 1 file changed, 9 insertions(+)
---
diff --git a/gsk/gskrendernodeparser.c b/gsk/gskrendernodeparser.c
index ed7c60feaf..66fa9156e6 100644
--- a/gsk/gskrendernodeparser.c
+++ b/gsk/gskrendernodeparser.c
@@ -963,6 +963,15 @@ gsk_render_node_deserialize_from_bytes (GBytes *bytes)
   parser = gtk_css_parser_new_for_bytes (bytes, NULL, NULL, gsk_render_node_parser_error, NULL, NULL);
   root = parse_container_node (parser);
 
+  if (gsk_container_node_get_n_children (root) == 1)
+    {
+      GskRenderNode *child = gsk_container_node_get_child (root, 0);
+
+      gsk_render_node_ref (child);
+      gsk_render_node_unref (root);
+      root = child;
+    }
+
   gtk_css_parser_unref (parser);
 
   return root;