Roll IDL to Dartium37 (r181268)

modules/serviceworkers/NavigatorServiceWorker.idl

Index: modules/serviceworkers/NavigatorServiceWorker.idl
diff --git a/modules/serviceworkers/NavigatorServiceWorker.idl b/modules/serviceworkers/NavigatorServiceWorker.idl
index 1f5335479cf79598fd1ce37f85c492eca124fe71..6ed88f01411fcba70268cce24f8f304dd4e8bf52 100644
--- a/modules/serviceworkers/NavigatorServiceWorker.idl
+++ b/modules/serviceworkers/NavigatorServiceWorker.idl
@@ -2,8 +2,9 @@
 // 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#navigator-service-worker
 [
     RuntimeEnabled=ServiceWorker,
 ] partial interface Navigator {
-  readonly attribute ServiceWorkerContainer serviceWorker;
+    readonly attribute ServiceWorkerContainer serviceWorker;
 };