Delete geofencing implementation.

third_party/WebKit/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 "modules/geofencing/WorkerNavigatorGeofencing.h"
-
-#include "core/workers/WorkerNavigator.h"
-#include "modules/geofencing/Geofencing.h"
-
-namespace blink {
-
-WorkerNavigatorGeofencing::WorkerNavigatorGeofencing()
-{
-}
-
-WorkerNavigatorGeofencing::~WorkerNavigatorGeofencing()
-{
-}
-
-const char* WorkerNavigatorGeofencing::supplementName()
-{
-    return "WorkerNavigatorGeofencing";
-}
-
-WorkerNavigatorGeofencing& WorkerNavigatorGeofencing::from(WorkerNavigator& navigator)
-{
-    WorkerNavigatorGeofencing* supplement = static_cast<WorkerNavigatorGeofencing*>(Supplement<WorkerNavigator>::from(navigator, supplementName()));
-    if (!supplement) {
-        supplement = new WorkerNavigatorGeofencing();
-        provideTo(navigator, supplementName(), supplement);
-    }
-    return *supplement;
-}
-
-Geofencing* WorkerNavigatorGeofencing::geofencing(WorkerNavigator& navigator)
-{
-    return WorkerNavigatorGeofencing::from(navigator).geofencing();
-}
-
-Geofencing* WorkerNavigatorGeofencing::geofencing()
-{
-    if (!m_geofencing)
-        m_geofencing = Geofencing::create(nullptr);
-    return m_geofencing.get();
-}
-
-DEFINE_TRACE(WorkerNavigatorGeofencing)
-{
-    visitor->trace(m_geofencing);
-    Supplement<WorkerNavigator>::trace(visitor);
-}
-
-} // namespace blink