Delete geofencing implementation.

third_party/WebKit/Source/modules/geofencing/CircularGeofencingRegion.h

-// 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.
-
-#ifndef CircularGeofencingRegion_h
-#define CircularGeofencingRegion_h
-
-#include "modules/ModulesExport.h"
-#include "modules/geofencing/GeofencingRegion.h"
-#include "public/platform/WebCircularGeofencingRegion.h"
-
-namespace blink {
-
-class CircularGeofencingRegionInit;
-
-class MODULES_EXPORT CircularGeofencingRegion final : public GeofencingRegion {
-    DEFINE_WRAPPERTYPEINFO();
-    WTF_MAKE_NONCOPYABLE(CircularGeofencingRegion);
-public:
-    static CircularGeofencingRegion* create(const CircularGeofencingRegionInit&);
-    static CircularGeofencingRegion* create(const WebString& id, const WebCircularGeofencingRegion&);
-    ~CircularGeofencingRegion() override { }
-
-    double latitude() const { return m_webRegion.latitude; }
-    double longitude() const { return m_webRegion.longitude; }
-    double radius() const { return m_webRegion.radius; }
-
-    WebCircularGeofencingRegion webRegion() const;
-
-    DEFINE_INLINE_VIRTUAL_TRACE() { GeofencingRegion::trace(visitor); }
-
-    bool isCircularGeofencingRegion() const override { return true; }
-
-private:
-    explicit CircularGeofencingRegion(const String& id, const WebCircularGeofencingRegion&);
-
-    WebCircularGeofencingRegion m_webRegion;
-};
-
-DEFINE_TYPE_CASTS(CircularGeofencingRegion, GeofencingRegion, region, region->isCircularGeofencingRegion(), region.isCircularGeofencingRegion());
-
-} // namespace blink
-
-#endif // CircularGeofencingRegion_h