third_party/blink/renderer/modules/cache_storage/window_cache_storage.idl

// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// https://w3c.github.io/ServiceWorker/#self-caches
[
    ImplementedAs=GlobalCacheStorage
] partial interface Window {
    [SecureContext, MeasureAs=GlobalCacheStorage, RaisesException] readonly attribute CacheStorage caches;
};