Pass through geofencing API calls to the content layer.

Source/modules/geofencing/GeofencingRegion.h

Index: Source/modules/geofencing/GeofencingRegion.h
diff --git a/Source/modules/geofencing/GeofencingRegion.h b/Source/modules/geofencing/GeofencingRegion.h
index 616a3f59bc35bed926ddf898493ab766e92609eb..de50e4baeb4b998e2c7482eaeab4940fead0c9a7 100644
--- a/Source/modules/geofencing/GeofencingRegion.h
+++ b/Source/modules/geofencing/GeofencingRegion.h
@@ -21,8 +21,11 @@ public:
 
     virtual void trace(Visitor*) { }
 
+    // For SpecialWrapFor
+    virtual bool isCircularGeofencingRegion() const { return false; }
+
 protected:
-    GeofencingRegion(const String& id) : m_id(id) { }
+    explicit GeofencingRegion(const String& id) : m_id(id) { }
 
 private:
     String m_id;