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diff --git a/src/core/renderer/user_script_controller.h b/src/core/renderer/user_script_controller.h
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+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://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 http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://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.LGPLv3 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.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 later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef USER_SCRIPT_CONTROLLER_H
+#define USER_SCRIPT_CONTROLLER_H
+
+#include "content/public/renderer/render_process_observer.h"
+
+#include "common/user_script_data.h"
+
+#include <QtCore/qcompilerdetection.h>
+#include <QtCore/QHash>
+#include <QtCore/QSet>
+
+namespace content {
+class RenderView;
+}
+
+
+class UserScriptController : public content::RenderProcessObserver {
+
+public:
+    static UserScriptController *instance();
+    UserScriptController();
+    void renderViewCreated(content::RenderView *);
+    void renderViewDestroyed(content::RenderView *);
+    void addScriptForView(const UserScriptData &, content::RenderView *);
+    void removeScriptForView(const UserScriptData &, content::RenderView *);
+    void clearScriptsForView(content::RenderView *);
+
+private:
+    Q_DISABLE_COPY(UserScriptController)
+
+    class RenderViewObserverHelper;
+
+    // RenderProcessObserver implementation.
+    virtual bool OnControlMessageReceived(const IPC::Message &message) Q_DECL_OVERRIDE;
+
+    void onAddScript(const UserScriptData &);
+    void onRemoveScript(const UserScriptData &);
+    void onClearScripts();
+
+    typedef QSet<uint64> UserScriptSet;
+    typedef QHash<const content::RenderView *, UserScriptSet> ViewUserScriptMap;
+    ViewUserScriptMap m_viewUserScriptMap;
+    QHash<uint64, UserScriptData> m_scripts;
+};
+
+#endif // USER_SCRIPT_CONTROLLER_H