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modules/serviceworkers/ServiceWorkerClient.idl

Index: modules/serviceworkers/ServiceWorkerClient.idl
diff --git a/modules/serviceworkers/ServiceWorkerClient.idl b/modules/serviceworkers/ServiceWorkerClient.idl
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+// Copyright 2014 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://slightlyoff.github.io/ServiceWorker/spec/service_worker/index.html#service-worker-client-interface
+[
+    Exposed=ServiceWorker,
+    RuntimeEnabled=ServiceWorker,
+    WillBeGarbageCollected,
+] interface ServiceWorkerClient {
+    readonly attribute unsigned long id;
+
+    [Custom, RaisesException, CallWith=ExecutionContext] void postMessage(SerializedScriptValue message, optional sequence<Transferable> transfer);
+};