Delete geofencing implementation.

third_party/WebKit/Source/modules/geofencing/GeofencingError.cpp

-// 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.
-
-#include "modules/geofencing/GeofencingError.h"
-
-#include "core/dom/DOMException.h"
-#include "core/dom/ExceptionCode.h"
-
-namespace blink {
-
-DOMException* GeofencingError::take(ScriptPromiseResolver*, const WebGeofencingError& webError)
-{
-    switch (webError.errorType) {
-    case WebGeofencingError::ErrorTypeAbort:
-        return DOMException::create(AbortError, webError.message);
-    case WebGeofencingError::ErrorTypeUnknown:
-        return DOMException::create(UnknownError, webError.message);
-    }
-    ASSERT_NOT_REACHED();
-    return DOMException::create(UnknownError);
-}
-
-} // namespace blink