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diff --git a/tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/abstractitemcontainer.h b/tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/abstractitemcontainer.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 ABSTRACTITEMCONTAINER_H
+#define ABSTRACTITEMCONTAINER_H
+
+#include <QModelIndex>
+
+#include "gvbwidget.h"
+
+class QGraphicsWidget;
+class AbstractItemView;
+class AbstractViewItem;
+
+class AbstractItemContainer : public GvbWidget
+{
+  Q_OBJECT
+public:
+    AbstractItemContainer(int bufferSize, QGraphicsWidget *parent=0);
+    virtual ~AbstractItemContainer();
+
+    virtual void addItem(const QModelIndex &index);
+    virtual void removeItem(const QModelIndex &index);
+
+    virtual void setItemView(AbstractItemView *view);
+    virtual void setItemPrototype(AbstractViewItem *ptype);
+    virtual void reset();
+    virtual int itemCount() const;
+    virtual AbstractViewItem* itemAt(const int row) const;
+    AbstractViewItem* findItemByIndex(const QModelIndex &index) const;
+    AbstractViewItem *prototype();
+    AbstractViewItem *firstItem();
+    void updateContent();
+    void themeChange();
+    int bufferSize() const;
+    virtual void setTwoColumns(const bool enabled);
+    bool twoColumns();
+
+    void setSubtreeCacheEnabled(const bool enabled);
+    virtual void setListItemCaching(const bool enabled, const int index) = 0;
+
+protected:
+    virtual void adjustVisibleContainerSize(const QSizeF &size) = 0;
+    virtual void addItemToVisibleLayout(int index, AbstractViewItem *item) = 0;
+    virtual void removeItemFromVisibleLayout(AbstractViewItem *item) = 0;
+
+    virtual bool event(QEvent *e);
+    virtual bool eventFilter(QObject *obj, QEvent *event);
+    virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value);
+    virtual int maxItemCountInItemBuffer() const;
+    bool itemVisibleInView(AbstractViewItem* item, const QRectF &viewRect, bool fullyVisible = true) const;
+
+protected:
+    void updateItemBuffer();
+    void findFirstAndLastVisibleBufferIndex(int &firstVisibleBufferIndex,
+                                            int &lastVisibleBufferIndex,
+                                            const QRectF &viewRect,
+                                            bool fullyVisible) const;
+    QList<AbstractViewItem*>  m_items;
+    AbstractItemView *m_itemView;
+    AbstractViewItem *m_prototype;
+    int m_bufferSize;
+
+private:
+    void insertItem(int pos, const QModelIndex &index);
+    bool m_twoColumns;
+
+    Q_DISABLE_COPY(AbstractItemContainer)
+};
+
+#endif // ABSTRACTITEMCONTAINER_H