Fixes #12414 (#13076)

* Fixes #12414

* Make applicationServerKey optional

service_worker_api/service_worker_api.d.ts

@@ -579,6 +579,26 @@ interface PushSubscription {
     subscriptionId: any;
 }
 
+/**
+ * Object containing optional subscribe parameters.
+ */
+interface PushSubscriptionOptions {
+    /**
+     * A boolean indicating that the returned push subscription will only be used for
+     * messages whose effect is made visible to the user.
+     * @readonly
+     */
+	userVisibleOnly: boolean;
+
+    /**
+     * A public key your push server will use to send messages to client apps via a push server.
+     * This value is part of a signing key pair generated by your application server and usable
+     * with elliptic curve digital signature (ECDSA) over the P-256 curve.
+     * @readonly
+     */
+	applicationServerKey?: Uint8Array;
+}
+
 /**
  * The PushManager interface provides a way to receive notifications from
  * third-party servers as well as request URLs for push notifications.
@@ -590,7 +610,7 @@ interface PushManager {
      * Returns a promise that resolves to a PushSubscription with details of a
      * new push subscription.
      */
-    subscribe(): Promise<PushSubscription>;
+    subscribe(options?: PushSubscriptionOptions): Promise<PushSubscription>;
 
     /**
      * Returns a promise that resolves to a PushSubscription details of