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diff --git a/src/core/autofill_popup_controller.cpp b/src/core/autofill_popup_controller.cpp
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+++ b/src/core/autofill_popup_controller.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2022 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "autofill_popup_controller.h"
+#include "autofill_popup_controller_p.h"
+
+#include "components/autofill/core/browser/ui/autofill_popup_delegate.h"
+#include "components/autofill/core/browser/ui/suggestion.h"
+
+namespace QtWebEngineCore {
+
+AutofillPopupController::AutofillPopupController(AutofillPopupControllerPrivate *dd)
+{
+    Q_ASSERT(dd);
+    d.reset(dd);
+}
+
+AutofillPopupController::~AutofillPopupController() { }
+
+void AutofillPopupController::setCurrentIndex(const QModelIndex &index)
+{
+    if (m_currentIndex == index)
+        return;
+
+    m_currentIndex = index;
+
+    if (m_currentIndex.isValid()) {
+        const autofill::Suggestion &suggestion = d->suggestions[m_currentIndex.row()];
+        d->delegate->DidSelectSuggestion(suggestion.value, suggestion.frontend_id);
+    }
+
+    Q_EMIT currentIndexChanged(index);
+}
+
+void AutofillPopupController::selectPreviousSuggestion()
+{
+    if (!m_currentIndex.isValid()) {
+        setCurrentIndex(m_model.index(m_model.rowCount() - 1, 0));
+        return;
+    }
+
+    if (m_currentIndex.row() == 0) {
+        selectLastSuggestion();
+        return;
+    }
+
+    setCurrentIndex(m_model.index(m_currentIndex.row() - 1, 0));
+}
+
+void AutofillPopupController::selectNextSuggestion()
+{
+    if (!m_currentIndex.isValid()) {
+        setCurrentIndex(m_model.index(0, 0));
+        return;
+    }
+
+    if (m_currentIndex.row() == m_model.rowCount() - 1) {
+        selectFirstSuggestion();
+        return;
+    }
+
+    setCurrentIndex(m_model.index(m_currentIndex.row() + 1, 0));
+}
+
+void AutofillPopupController::selectFirstSuggestion()
+{
+    setCurrentIndex(m_model.index(0, 0));
+}
+
+void AutofillPopupController::selectLastSuggestion()
+{
+    setCurrentIndex(m_model.index(m_model.rowCount() - 1, 0));
+}
+
+void AutofillPopupController::acceptSuggestion()
+{
+    if (!m_currentIndex.isValid())
+        return;
+
+    const int index = m_currentIndex.row();
+    const autofill::Suggestion &suggestion = d->suggestions[index];
+    d->delegate->DidAcceptSuggestion(suggestion.value, suggestion.frontend_id,
+                                     suggestion.backend_id, index);
+}
+
+void AutofillPopupController::notifyPopupShown()
+{
+    d->delegate->OnPopupShown();
+}
+
+void AutofillPopupController::notifyPopupHidden()
+{
+    d->delegate->OnPopupHidden();
+}
+
+void AutofillPopupController::selectSuggestion(int index)
+{
+    if (index < 0)
+        setCurrentIndex(QModelIndex());
+    else
+        setCurrentIndex(m_model.index(index, 0));
+}
+
+void AutofillPopupController::updateModel()
+{
+    QStringList values;
+    for (size_t i = 0; i < d->suggestions.size(); ++i) {
+        values.append(QString::fromStdU16String(d->suggestions[i].value));
+    }
+    m_model.setStringList(values);
+    setCurrentIndex(QModelIndex());
+}
+
+} // namespace QtWebEngineCore