BackgroundSyncManager tracks client registrations

content/test/data/background_sync/sync_event_interface.js

Index: content/test/data/background_sync/sync_event_interface.js
diff --git a/content/test/data/background_sync/sync_event_interface.js b/content/test/data/background_sync/sync_event_interface.js
deleted file mode 100644
index f2af6056dc044b9da2e3dda8a1923e2d3f965940..0000000000000000000000000000000000000000
--- a/content/test/data/background_sync/sync_event_interface.js
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright 2015 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.
-
-this.onsync = function(event) {
-    var eventProperties = [
-      // Extract name from toString result: "[object <Class>]"
-      Object.prototype.toString.call(event).match(/\s([a-zA-Z]+)/)[1],
-      (typeof event.waitUntil)
-    ];
-
-    console.log(eventProperties.join('|'));
-};