Blink side of exposing the service worker registration associated with geofencing API calls.

Source/modules/geofencing/WorkerNavigatorGeofencing.cpp

 // Copyright 2014 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.
 
 #include "config.h"
 #include "modules/geofencing/WorkerNavigatorGeofencing.h"
 
 #include "core/workers/WorkerNavigator.h"
 #include "modules/geofencing/Geofencing.h"
 
@@ skipping 23 matching lines @@
 }
 
 Geofencing* WorkerNavigatorGeofencing::geofencing(WorkerNavigator& navigator)
 {
     return WorkerNavigatorGeofencing::from(navigator).geofencing();
 }
 
 Geofencing* WorkerNavigatorGeofencing::geofencing()
 {
     if (!m_geofencing)
-        m_geofencing = Geofencing::create();
+        m_geofencing = Geofencing::create(nullptr);
     return m_geofencing.get();
 }
 
 void WorkerNavigatorGeofencing::trace(Visitor* visitor)
 {
     visitor->trace(m_geofencing);
     WillBeHeapSupplement<WorkerNavigator>::trace(visitor);
 }
 
 } // namespace blink