Delete geofencing implementation.

content/common/geofencing_types.cc

-// 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 "content/common/geofencing_types.h"
-
-#include "base/logging.h"
-
-namespace content {
-
-const char* GeofencingStatusToString(GeofencingStatus status) {
-  switch (status) {
-    case GEOFENCING_STATUS_OK:
-      return "Operation has succeeded";
-
-    case GEOFENCING_STATUS_OPERATION_FAILED_NO_SERVICE_WORKER:
-      return "Operation failed - no Service Worker";
-
-    case GEOFENCING_STATUS_OPERATION_FAILED_SERVICE_NOT_AVAILABLE:
-      return "Operation failed - geofencing not available";
-
-    case GEOFENCING_STATUS_UNREGISTRATION_FAILED_NOT_REGISTERED:
-      return "Unregistration failed - no region registered with given ID";
-
-    case GEOFENCING_STATUS_ERROR:
-      return "Operation has failed (unspecified reason)";
-  }
-  NOTREACHED();
-  return "";
-}
-
-}  // namespace content