1 files changed, 30 insertions, 0 deletions
diff --git a/dom/base/TestUtils.h b/dom/base/TestUtils.h
new file mode 100644
index 0000000000..0b29f71f98
--- /dev/null
+++ b/dom/base/TestUtils.h
@@ -0,0 +1,30 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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/. */
+
+#ifndef DOM_TESTING_TESTUTILS_H_
+#define DOM_TESTING_TESTUTILS_H_
+
+#include "mozilla/ErrorResult.h"
+#include "mozilla/dom/BindingDeclarations.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsWrapperCache.h"
+
+class nsIGlobalObject;
+
+namespace mozilla::dom {
+
+class TestUtils {
+ public:
+  static already_AddRefed<Promise> Gc(const GlobalObject& aGlobal,
+                                      ErrorResult& aRv);
+
+ private:
+  ~TestUtils() = delete;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // DOM_TESTING_TESTUTILS_H_