1 files changed, 25 insertions, 0 deletions
diff --git a/dom/webidl/StorageManager.webidl b/dom/webidl/StorageManager.webidl
new file mode 100644
index 000000000..b2855206e
--- /dev/null
+++ b/dom/webidl/StorageManager.webidl
@@ -0,0 +1,25 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/.
+ *
+ * The origin of this IDL file is
+ * https://storage.spec.whatwg.org/#storagemanager
+ *
+ */
+
+[Exposed=(Window,Worker),
+ Func="mozilla::dom::StorageManager::PrefEnabled"]
+interface StorageManager {
+  // [Throws]
+  // Promise<boolean> persisted();
+  // [Throws]
+  // [Exposed=Window] Promise<boolean> persist();
+  [Throws]
+  Promise<StorageEstimate> estimate();
+};
+
+dictionary StorageEstimate {
+  unsigned long long usage;
+  unsigned long long quota;
+};