Move all geofencing code into its own module separate from geolocation.

Source/modules/geofencing/Geofencing.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/Geofencing.h"
+
+#include "bindings/core/v8/ScriptPromise.h"
+#include "core/dom/DOMException.h"
+#include "core/dom/ExceptionCode.h"
+
+namespace blink {
+
+Geofencing::Geofencing()
+{
+    ScriptWrappable::init(this);
+}
+
+Geofencing::~Geofencing()
+{
+}
+
+ScriptPromise Geofencing::registerRegion(ScriptState* scriptState, GeofencingRegion* region)
+{
+    return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError));
+}
+
+ScriptPromise Geofencing::unregisterRegion(ScriptState* scriptState, const String& regionId)
+{
+    return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError));
+}
+
+ScriptPromise Geofencing::getRegisteredRegions(ScriptState* scriptState) const
+{
+    return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError));
+}
+
+} // namespace blink