script: Move code generation and webidl files to new script_bindings crate. (#35157)

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

components/script_bindings/webidls/ServiceWorkerGlobalScope.webidl

@@ -0,0 +1,24 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+// https://w3c.github.io/ServiceWorker/#serviceworkerglobalscope
+
+[Global=(Worker,ServiceWorker), Exposed=ServiceWorker,
+ Pref="dom_serviceworker_enabled"]
+interface ServiceWorkerGlobalScope : WorkerGlobalScope {
+  // A container for a list of Client objects that correspond to
+  // browsing contexts (or shared workers) that are on the origin of this SW
+  //[SameObject] readonly attribute Clients clients;
+  //[SameObject] readonly attribute ServiceWorkerRegistration registration;
+
+  //[NewObject] Promise<void> skipWaiting();
+
+  //attribute EventHandler oninstall;
+  //attribute EventHandler onactivate;
+  //attribute EventHandler onfetch;
+
+  // event
+  attribute EventHandler onmessage; // event.source of the message events is Client object
+  attribute EventHandler onmessageerror;
+};