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

Source/modules/geofencing/NavigatorGeofencing.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/NavigatorGeofencing.h"
-
-#include "core/frame/Navigator.h"
-#include "modules/geofencing/Geofencing.h"
-
-namespace blink {
-
-NavigatorGeofencing::NavigatorGeofencing()
-{
-}
-
-NavigatorGeofencing::~NavigatorGeofencing()
-{
-}
-
-const char* NavigatorGeofencing::supplementName()
-{
-    return "NavigatorGeofencing";
-}
-
-NavigatorGeofencing& NavigatorGeofencing::from(Navigator& navigator)
-{
-    NavigatorGeofencing* supplement = static_cast<NavigatorGeofencing*>(WillBeHeapSupplement<Navigator>::from(navigator, supplementName()));
-    if (!supplement) {
-        supplement = new NavigatorGeofencing();
-        provideTo(navigator, supplementName(), adoptPtrWillBeNoop(supplement));
-    }
-    return *supplement;
-}
-
-Geofencing* NavigatorGeofencing::geofencing(Navigator& navigator)
-{
-    return NavigatorGeofencing::from(navigator).geofencing();
-}
-
-Geofencing* NavigatorGeofencing::geofencing()
-{
-    if (!m_geofencing)
-        m_geofencing = Geofencing::create();
-    return m_geofencing.get();
-}
-
-void NavigatorGeofencing::trace(Visitor* visitor)
-{
-    visitor->trace(m_geofencing);
-    WillBeHeapSupplement<Navigator>::trace(visitor);
-}
-
-} // namespace blink