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diff --git a/tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/abstractscrollarea.h b/tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/abstractscrollarea.h
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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef ABSTRACTSCROLLAREA_H
+#define ABSTRACTSCROLLAREA_H
+
+#include "gvbwidget.h"
+
+class ScrollBar;
+class QGraphicsGridLayout;
+
+class AbstractScrollArea : public GvbWidget
+{
+    Q_OBJECT
+
+public:
+
+    AbstractScrollArea(QGraphicsWidget *parent = 0);
+    ~AbstractScrollArea();
+
+public:
+
+    void setHorizontalScrollBarPolicy(Qt::ScrollBarPolicy policy);
+    void setVerticalScrollBarPolicy(Qt::ScrollBarPolicy policy);
+    Qt::ScrollBarPolicy verticalScrollBarPolicy() const;
+    Qt::ScrollBarPolicy horizontalScrollBarPolicy() const;
+
+    QGraphicsWidget *viewport() const;
+    void setViewport(QGraphicsWidget *viewport);
+
+    ScrollBar *verticalScrollBar() const;
+    ScrollBar *horizontalScrollBar() const;
+
+signals:
+
+    void viewportChanged(QGraphicsWidget *viewport);
+
+protected:
+
+    virtual bool event(QEvent *e);
+    virtual void scrollContentsBy(qreal dx, qreal dy);
+
+private slots:
+
+    void verticalScrollStart();
+    void verticalScroll(qreal);
+    void horizontalScrollStart();
+    void horizontalScroll(qreal);
+
+private:
+
+    void adjustScrollBars();
+
+    QGraphicsWidget *m_viewport;
+    ScrollBar *m_horizontalScrollBar;
+    ScrollBar *m_verticalScrollBar;
+    Qt::ScrollBarPolicy m_verticalScrollBarPolicy;
+    Qt::ScrollBarPolicy m_horizontalScrollBarPolicy;
+    qreal m_prevHorizontalValue;
+    qreal m_prevVerticalValue;
+};
+
+#endif // ABSTRACTSCROLLAREA_H