It is time.

ui/views/test/slider_test_api.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 UI_VIEWS_TEST_SLIDER_TEST_API_H_
-#define UI_VIEWS_TEST_SLIDER_TEST_API_H_
-
-#include "base/basictypes.h"
-
-namespace views {
-
-class Slider;
-class SliderListener;
-
-namespace test {
-
-// Can be used to update the private state of a views::Slider instance during a
-// test.  Updating the private state of an already created instance reduces
-// the amount of test setup and test fixture code required.
-class SliderTestApi {
- public:
-  explicit SliderTestApi(Slider* slider);
-  virtual ~SliderTestApi();
-
-  // Set the SliderListener on the Slider.
-  void SetListener(SliderListener* listener);
-
- private:
-  Slider* slider_;
-
-  DISALLOW_COPY_AND_ASSIGN(SliderTestApi);
-};
-
-}  // namespace test
-
-}  // namespace views
-
-#endif  // UI_VIEWS_TEST_SLIDER_TEST_API_H_