chromium/third_party/blink/renderer/modules/encryptedmedia/media_key_system_access.idl

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// https://w3c.github.io/encrypted-media/#mediakeysystemaccess-interface

[
    Exposed=Window,
    SecureContext
] interface MediaKeySystemAccess {
    readonly attribute DOMString keySystem;
    MediaKeySystemConfiguration getConfiguration();
    [CallWith=ScriptState] Promise<MediaKeys> createMediaKeys();
};