[proof-of-concept] SW thread independent of the main thread

content/common/service_worker/embedded_worker_setup.mojom

 // 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.
 
 module content.mojom;
 
+import "url/mojo/url.mojom";
 import "services/shell/public/interfaces/interface_provider.mojom";
 
+
 interface EmbeddedWorkerSetup {
   ExchangeInterfaceProviders(
       int32 thread_id,
       shell.mojom.InterfaceProvider& remote_interfaces,
       shell.mojom.InterfaceProvider local_interfaces);
 };
+
+struct WorkerScript {
+  string url;
+  handle<data_pipe_consumer> data_pipe;
+  handle<data_pipe_consumer>? meta_data_pipe;
+};
+
+struct WorkerScriptList {
+  array<WorkerScript> scripts;
+};
+
+interface IsolatedWorkerDispatcher {
+  StartServiceWorker(int64 version_id, string scope, string script_url, shell.mojom.InterfaceProvider& remote_interfaces, shell.mojom.InterfaceProvider local_interfaces, WorkerScriptList script_list);
+};
+
+interface IsolatedWorkerDispatcherReciever{
+  SetDispatcher(IsolatedWorkerDispatcher dispatcher);
+};