1 files changed, 23 insertions, 0 deletions
diff --git a/dom/media/test/chromeHelper.js b/dom/media/test/chromeHelper.js
new file mode 100644
index 0000000000..a89d12d6dd
--- /dev/null
+++ b/dom/media/test/chromeHelper.js
@@ -0,0 +1,23 @@
+/* -*- Mode: javascript; indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* eslint-env mozilla/chrome-script */
+
+"use strict";
+
+// eslint-disable-next-line mozilla/use-services
+const dirSvc = Cc["@mozilla.org/file/directory_service;1"].getService(
+  Ci.nsIProperties
+);
+
+addMessageListener("media-test:getcwd", () => {
+  let cwd;
+  try {
+    cwd = dirSvc.get("CurWorkD", Ci.nsIFile).path;
+  } finally {
+    sendAsyncMessage("media-test:cwd", cwd);
+  }
+});