1 files changed, 21 insertions, 0 deletions
diff --git a/components/script/dom/webidls/Client.webidl b/components/script/dom/webidls/Client.webidl
new file mode 100644
index 00000000000..b74218aa787
--- /dev/null
+++ b/components/script/dom/webidls/Client.webidl
@@ -0,0 +1,21 @@
+/* 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 http://mozilla.org/MPL/2.0/. */
+
+// https://slightlyoff.github.io/ServiceWorker/spec/service_worker/#client
+
+// [Exposed=ServiceWorker]
+[Pref="dom.serviceworker.enabled"]
+interface Client {
+  readonly attribute USVString url;
+  readonly attribute FrameType frameType;
+  readonly attribute DOMString id;
+  //void postMessage(any message, optional sequence<Transferable> transfer);
+};
+
+enum FrameType {
+  "auxiliary",
+  "top-level",
+  "nested",
+  "none"
+};