chromium/ui/base/prediction/empty_filter.h

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_BASE_PREDICTION_EMPTY_FILTER_H_
#define UI_BASE_PREDICTION_EMPTY_FILTER_H_

#include "base/component_export.h"
#include "ui/base/prediction/input_filter.h"

namespace ui {

// Empty filter is a fake filter. Always returns the same input position as
// the filtered position. Mainly used for testing purpose.
class COMPONENT_EXPORT(UI_BASE_PREDICTION) EmptyFilter : public InputFilter {};

}  // namespace ui

#endif  // UI_BASE_PREDICTION_EMPTY_FILTER_H_