Add the first very basic bits of a geofencing API.

Source/modules/geolocation/Geolocation.h

 /*
  * Copyright (C) 2008, 2009, 2010, 2011 Apple Inc. All Rights Reserved.
  * Copyright 2010, The Android Open Source Project
  *
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  * modification, are permitted provided that the following conditions
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  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
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  *    notice, this list of conditions and the following disclaimer in the
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  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
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 #ifndef Geolocation_h
 #define Geolocation_h
 
+#include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/dom/ActiveDOMObject.h"
 #include "modules/geolocation/Geoposition.h"
 #include "modules/geolocation/PositionCallback.h"
 #include "modules/geolocation/PositionError.h"
 #include "modules/geolocation/PositionErrorCallback.h"
 #include "modules/geolocation/PositionOptions.h"
 #include "platform/Timer.h"
 #include "platform/heap/Handle.h"
 
 namespace WebCore {
 
 class Dictionary;
 class Document;
 class LocalFrame;
+class GeofencingRegion;
 class GeolocationController;
 class GeolocationError;
 class GeolocationPosition;
 class ExecutionContext;
 
 class Geolocation FINAL
     : public GarbageCollectedFinalized<Geolocation>
     , public ScriptWrappable
     , public ActiveDOMObject {
 public:
@@ skipping 20 matching lines @@
 
     bool isAllowed() const { return m_allowGeolocation == Yes; }
 
     // Notifies this that a new position is available. Must never be called
     // before permission is granted by the user.
     void positionChanged();
 
     // Notifies this that an error has occurred, it must be handled immediately.
     void setError(GeolocationError*);
 
+    ScriptPromise registerRegion(ScriptState*, GeofencingRegion*);
+    ScriptPromise unregisterRegion(ScriptState*, const String& regionId);
+    ScriptPromise getRegisteredRegions(ScriptState*) const;
+
 private:
     // Returns the last known position, if any. May return null.
     Geoposition* lastPosition();
 
     bool isDenied() const { return m_allowGeolocation == No; }
 
     explicit Geolocation(ExecutionContext*);
 
     // Holds the success and error callbacks and the options that were provided
     // when a oneshot or watcher were created. Also, if specified in the
@@ skipping 143 matching lines @@
         Yes,
         No
     } m_allowGeolocation;
 
     GeoNotifierSet m_requestsAwaitingCachedPosition;
 };
 
 } // namespace WebCore
 
 #endif // Geolocation_h