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diff --git a/src/core/touch_selection_controller_client_qt.h b/src/core/touch_selection_controller_client_qt.h
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+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtWebEngine module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** 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-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef TOUCH_SELECTION_CONTROLLER_CLIENT_QT_H
+#define TOUCH_SELECTION_CONTROLLER_CLIENT_QT_H
+
+#include "content/public/browser/touch_selection_controller_client_manager.h"
+#include "content/public/common/context_menu_params.h"
+#include "ui/touch_selection/touch_selection_controller.h"
+#include "ui/touch_selection/touch_selection_menu_runner.h"
+
+#include <QtCore/QScopedPointer>
+
+namespace QtWebEngineCore {
+
+class RenderWidgetHostViewQt;
+class TouchSelectionMenuController;
+
+class TouchSelectionControllerClientQt
+    : public ui::TouchSelectionControllerClient
+    , public ui::TouchSelectionMenuClient
+    , public content::TouchSelectionControllerClientManager
+{
+public:
+    explicit TouchSelectionControllerClientQt(RenderWidgetHostViewQt *rwhv);
+    ~TouchSelectionControllerClientQt() override;
+
+    void UpdateClientSelectionBounds(const gfx::SelectionBound& start,
+                                     const gfx::SelectionBound& end);
+    bool handleContextMenu(const content::ContextMenuParams& params);
+    void onTouchDown();
+    void onTouchUp();
+    void onScrollBegin();
+    void onScrollEnd();
+
+    // ui::TouchSelectionMenuClient overrides
+    bool IsCommandIdEnabled(int command_id) const override;
+    void ExecuteCommand(int command_id, int event_flags) override;
+    void RunContextMenu() override;
+
+    // content::TouchSelectionControllerClientManager overrides
+    void DidStopFlinging() override;
+    void UpdateClientSelectionBounds(const gfx::SelectionBound& start,
+                                     const gfx::SelectionBound& end,
+                                     ui::TouchSelectionControllerClient* client,
+                                     ui::TouchSelectionMenuClient* menu_client) override;
+    void InvalidateClient(ui::TouchSelectionControllerClient* client) override;
+    ui::TouchSelectionController* GetTouchSelectionController() override;
+    void AddObserver(Observer* observer) override;
+    void RemoveObserver(Observer* observer) override;
+
+    // ui::TouchSelectionControllerClient overrides
+    bool SupportsAnimation() const override;
+    void SetNeedsAnimate() override;
+    void MoveCaret(const gfx::PointF& position) override;
+    void MoveRangeSelectionExtent(const gfx::PointF& extent) override;
+    void SelectBetweenCoordinates(const gfx::PointF& base, const gfx::PointF& extent) override;
+    void OnSelectionEvent(ui::SelectionEventType event) override;
+    void OnDragUpdate(const gfx::PointF& position) override;
+    std::unique_ptr<ui::TouchHandleDrawable> CreateDrawable() override;
+    void DidScroll() override;
+
+private:
+    void showMenu();
+    void hideMenu();
+    void updateMenu();
+
+    RenderWidgetHostViewQt *m_rwhv;
+    QScopedPointer<TouchSelectionMenuController> m_menuController;
+
+    bool m_menuShowing;
+    bool m_menuRequested;
+    bool m_touchDown;
+    bool m_scrollInProgress;
+    bool m_handleDragInProgress;
+};
+
+} // namespace QtWebEngineCore
+
+#endif // TOUCH_SELECTION_CONTROLLER_CLIENT_QT_H