Delete geofencing implementation.

third_party/WebKit/public/platform/WebGeofencingProvider.h

-// 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 WebGeofencingProvider_h
-#define WebGeofencingProvider_h
-
-#include "public/platform/WebCallbacks.h"
-#include "public/platform/WebVector.h"
-
-namespace blink {
-
-struct WebCircularGeofencingRegion;
-struct WebGeofencingError;
-struct WebGeofencingRegistration;
-class WebServiceWorkerRegistration;
-class WebString;
-
-using WebGeofencingCallbacks = WebCallbacks<void, const WebGeofencingError&>;
-using WebGeofencingRegionsCallbacks = WebCallbacks<const WebVector<WebGeofencingRegistration>&, const WebGeofencingError&>;
-
-class WebGeofencingProvider {
-public:
-    virtual ~WebGeofencingProvider() { }
-
-    // Registers a region.
-    // Ownership of the WebGeofencingCallbacks is transferred to the client.
-    virtual void registerRegion(const WebString& regionId, const WebCircularGeofencingRegion&, WebServiceWorkerRegistration*, WebGeofencingCallbacks*) { }
-
-    // Unregisters a region.
-    // Ownership of the WebGeofencingCallbacks is transferred to the client.
-    virtual void unregisterRegion(const WebString& regionId, WebServiceWorkerRegistration*, WebGeofencingCallbacks*) { }
-
-    // Returns all the currently registered regions.
-    // Ownership of the WebGeofencingRegionsCallbacks is transferred to the client.
-    virtual void getRegisteredRegions(WebServiceWorkerRegistration*, WebGeofencingRegionsCallbacks*) { }
-};
-
-} // namespace blink
-
-#endif // WebGeofencingProvider_h