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// Copyright 2015 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 ASH_TEST_TASK_SWITCH_TIME_TRACKER_TEST_API_H_
#define ASH_TEST_TASK_SWITCH_TIME_TRACKER_TEST_API_H_
#include <string>
#include "base/memory/scoped_ptr.h"
#include "base/time/time.h"
namespace base {
class SimpleTestTickClock;
} // namespace base
namespace ash {
class TaskSwitchTimeTracker;
namespace test {
// Provides access TaskSwitchTimeTracker's internals.
class TaskSwitchTimeTrackerTestAPI {
public:
// Creates a TaskSwitchTimeTracker with the given |histogram_name| and injects
// a base::SimpleTestTickClock that can be controlled.
explicit TaskSwitchTimeTrackerTestAPI(const std::string& histogram_name);
~TaskSwitchTimeTrackerTestAPI();
TaskSwitchTimeTracker* time_tracker() { return time_tracker_.get(); }
// Advances |time_tracker_|'s TickClock by |time_delta|.
void Advance(base::TimeDelta time_delta);
// Wrapper function to access TaskSwitchTimeTracker::HasLastActionTime();
bool HasLastActionTime() const;
private:
// Owned by |time_tracker_|.
base::SimpleTestTickClock* tick_clock_;
// The TaskSwitchTimeTracker to provide internal access to.
scoped_ptr<TaskSwitchTimeTracker> time_tracker_;
DISALLOW_COPY_AND_ASSIGN(TaskSwitchTimeTrackerTestAPI);
};
} // namespace test
} // namespace ash
#endif // ASH_TEST_TASK_SWITCH_TIME_TRACKER_TEST_API_H_
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