| // Copyright 2019 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. | |
| // This is only used when the new C++ implementation is enabled. | |
| // https://streams.spec.whatwg.org/#ws-default-controller-class-definition | |
| interface WritableStreamDefaultController { | |
| [CallWith=ScriptState] void error(optional any e); | |
| }; |