Pass through geofencing API calls to the content layer.

Source/modules/geofencing/CircularGeofencingRegion.h

Index: Source/modules/geofencing/CircularGeofencingRegion.h
diff --git a/Source/modules/geofencing/CircularGeofencingRegion.h b/Source/modules/geofencing/CircularGeofencingRegion.h
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+++ b/Source/modules/geofencing/CircularGeofencingRegion.h
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+// 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/geofencing/GeofencingRegion.h"
+#include "public/platform/WebCircularGeofencingRegion.h"
+
+namespace blink {
+
+class Dictionary;
+
+class CircularGeofencingRegion FINAL : public GeofencingRegion {
+    DEFINE_WRAPPERTYPEINFO();
+    WTF_MAKE_NONCOPYABLE(CircularGeofencingRegion);
+public:
+    static CircularGeofencingRegion* create(const Dictionary& init);
+    static CircularGeofencingRegion* create(const WebString& id, const WebCircularGeofencingRegion&);
+    virtual ~CircularGeofencingRegion() { }
+
+    double latitude() const { return m_webRegion.latitude; }
+    double longitude() const { return m_webRegion.longitude; }
+    double radius() const { return m_webRegion.radius; }
+
+    WebCircularGeofencingRegion webRegion() const;
+
+    virtual void trace(Visitor* visitor) OVERRIDE { GeofencingRegion::trace(visitor); }
+
+    virtual 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