CppEditor: Extract VirtualFunctionProposalItem into separate files

...for tests.

Change-Id: Idc408e30ee0cdc22610e3037f94de5f7d246accf
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

src/plugins/cppeditor/cppvirtualfunctionproposalitem.h

@@ -0,0 +1,53 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#ifndef CPPVIRTUALFUNCTIONPROPOSALITEM_H
+#define CPPVIRTUALFUNCTIONPROPOSALITEM_H
+
+#include <texteditor/basetexteditor.h>
+#include <texteditor/codeassist/basicproposalitem.h>
+
+namespace CppEditor {
+namespace Internal {
+
+class VirtualFunctionProposalItem: public TextEditor::BasicProposalItem {
+public:
+    VirtualFunctionProposalItem(const TextEditor::BaseTextEditorWidget::Link &link,
+                                bool openInSplit = true);
+    void apply(TextEditor::BaseTextEditor * /* editor */, int /* basePosition */) const;
+
+private:
+    TextEditor::BaseTextEditorWidget::Link m_link;
+    bool m_openInSplit;
+};
+
+} // namespace Internal
+} // namespace CppEditor
+
+#endif // CPPVIRTUALFUNCTIONPROPOSALITEM_H