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diff --git a/src/plugins/qmlprofilerextension/memoryusagemodel.h b/src/plugins/qmlprofilerextension/memoryusagemodel.h
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+++ b/src/plugins/qmlprofilerextension/memoryusagemodel.h
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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** 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.
+**
+****************************************************************************/
+
+#ifndef MEMORYUSAGEMODEL_H
+#define MEMORYUSAGEMODEL_H
+
+#include "qmlprofiler/qmlprofilertimelinemodel.h"
+#include "qmlprofiler/qmlprofilerdatamodel.h"
+
+#include <QStringList>
+#include <QColor>
+
+namespace QmlProfilerExtension {
+namespace Internal {
+
+class MemoryUsageModel : public QmlProfiler::QmlProfilerTimelineModel
+{
+    Q_OBJECT
+public:
+
+    struct MemoryAllocation {
+        int typeId;
+        qint64 size;
+        qint64 allocated;
+        qint64 deallocated;
+        int allocations;
+        int deallocations;
+        int originTypeIndex;
+
+        MemoryAllocation(int typeId = -1, qint64 baseAmount = 0, int originTypeIndex = -1);
+        void update(qint64 amount);
+    };
+
+    MemoryUsageModel(QmlProfiler::QmlProfilerModelManager *manager, QObject *parent = 0);
+
+    int rowMaxValue(int rowNumber) const;
+
+    int expandedRow(int index) const;
+    int collapsedRow(int index) const;
+    int typeId(int index) const;
+    QColor color(int index) const;
+    float relativeHeight(int index) const;
+
+    QVariantMap location(int index) const;
+
+    QVariantList labels() const;
+    QVariantMap details(int index) const;
+
+protected:
+    void loadData();
+    void clear();
+
+private:
+    static QString memoryTypeName(int type);
+
+    QVector<MemoryAllocation> m_data;
+    qint64 m_maxSize;
+};
+
+} // namespace Internal
+} // namespace QmlProfilerExtension
+
+#endif // MEMORYUSAGEMODEL_H