1 files changed, 18 insertions, 0 deletions
diff --git a/dom/storage/StorageCommon.h b/dom/storage/StorageCommon.h
new file mode 100644
index 0000000000..633a97805e
--- /dev/null
+++ b/dom/storage/StorageCommon.h
@@ -0,0 +1,18 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=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/. */
+
+#ifndef DOM_STORAGE_STORAGECOMMON_H_
+#define DOM_STORAGE_STORAGECOMMON_H_
+
+#include "mozilla/Types.h"
+
+namespace mozilla::dom {
+
+constexpr uint32_t kPrivateBrowsingIdCount = 2;
+
+}  // namespace mozilla::dom
+
+#endif  // DOM_STORAGE_STORAGECOMMON_H_