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 8161a0202b510711bffd0a4a783433b3203cb626..d41a8463b1105c59386949e2318333d15f4c4e86 100644
--- a/Source/modules/geofencing/GeofencingRegion.h
+++ b/Source/modules/geofencing/GeofencingRegion.h
@@ -7,6 +7,8 @@
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "platform/heap/Handle.h"
+#include "public/platform/WebGeofencingRegion.h"
+#include "public/platform/WebString.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
@@ -16,15 +18,21 @@ class GeofencingRegion : public GarbageCollectedFinalized<GeofencingRegion>, pub
 public:
     virtual ~GeofencingRegion() { }
 
-    String id() const { return m_id; }
+    String id() const { return m_region.id(); }
+
+    const WebGeofencingRegion& webRegion() const { return m_region; }
 
     virtual void trace(Visitor*) { }
 
+    static GeofencingRegion* createFromWebRegion(const WebGeofencingRegion&);
+
+    // For SpecialWrapFor
+    bool isCircularRegion() const;
+
 protected:
-    GeofencingRegion(const String& id) : m_id(id) { }
+    explicit GeofencingRegion(const WebGeofencingRegion& region) : m_region(region) { }
 
-private:
-    String m_id;
+    const WebGeofencingRegion m_region;
 };
 
 } // namespace blink