Clang: Add refactoring project updater

The project parts are now first used by the pch manager and then notified
by the pch manager to the refactoring plugin.

Change-Id: I88074d8891cd0de9721497bbafee0deffc0b6339
Reviewed-by: Ivan Donchevskii <ivan.donchevskii@qt.io>

src/plugins/clangrefactoring/qtcreatorrefactoringprojectupdater.h

@@ -0,0 +1,45 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 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.
+**
+****************************************************************************/
+
+#pragma once
+
+#include "refactoringprojectupdater.h"
+
+namespace ClangRefactoring {
+
+class QtCreatorRefactoringProjectUpdater final : public RefactoringProjectUpdater
+{
+public:
+    QtCreatorRefactoringProjectUpdater(ClangBackEnd::ProjectManagementServerInterface &server,
+                                       ClangPchManager::PchManagerClient &pchManagerClient,
+                                       ClangBackEnd::FilePathCachingInterface &filePathCache);
+
+private:
+    void abstractEditorUpdated(const QString &filePath, const QByteArray &contents);
+    void abstractEditorRemoved(const QString &filePath);
+    void connectToCppModelManager();
+};
+
+} // namespace ClangRefactoring