[gnome-shell] shell-js: Remove usage of deprecated API

[Philip Chimento <pchimento src gnome org>]

commit f00826f3fbb7d262e9de9357c2187f7ad7aec995
Author: Philip Chimento <philip chimento gmail com>
Date:   Sun Sep 25 22:29:49 2016 -0700

    shell-js: Remove usage of deprecated API
    
    This removes all usage of SpiderMonkey API that is deprecated in mozjs24
    and will be removed in mozjs31.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=742249

 src/shell-js.cpp |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)
---
diff --git a/src/shell-js.cpp b/src/shell-js.cpp
index 4ed8796..67345cb 100644
--- a/src/shell-js.cpp
+++ b/src/shell-js.cpp
@@ -27,7 +27,7 @@ shell_js_add_extension_importer (const char  *target_object_script,
                                  const char  *directory,
                                  GError     **error)
 {
-  jsval target_object;
+  JS::Value target_object;
   GList *contexts;
   JSContext *context;
   char *search_path[2] = { 0, 0 };
@@ -46,7 +46,7 @@ shell_js_add_extension_importer (const char  *target_object_script,
    * object directly into this function, but introspection doesn't
    * support that at the moment.  Instead evaluate a string to get it. */
   if (!JS_EvaluateScript(context,
-                         JS_GetGlobalObject(context),
+                         gjs_get_global_object (context),
                          target_object_script,
                          strlen (target_object_script),
                          "<target_object_script>",
@@ -61,14 +61,15 @@ shell_js_add_extension_importer (const char  *target_object_script,
       goto out;
     }
 
-  if (!JSVAL_IS_OBJECT (target_object))
+  if (!target_object.isObject ())
     {
       g_error ("shell_js_add_extension_importer: invalid target object");
       goto out;
     }
 
   search_path[0] = (char*)directory;
-  gjs_define_importer (context, JSVAL_TO_OBJECT (target_object), target_property, (const char 
**)search_path, FALSE);
+  gjs_define_importer (context, &target_object.toObject (), target_property,
+                       (const char **)search_path, FALSE);
   ret = TRUE;
 
  out: