CppEditor: Get rid of usages.h

Change-Id: I28d8a5f83f87329c2389b0ad99db006d7efa6dc3
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>

src/plugins/cppeditor/CMakeLists.txt

@@ -115,7 +115,6 @@ add_qtc_plugin(CppEditor
     symbolfinder.cpp symbolfinder.h
     symbolsfindfilter.cpp symbolsfindfilter.h
     typehierarchybuilder.cpp typehierarchybuilder.h
-    usages.h
     wrappablelineedit.cpp wrappablelineedit.h
    EXPLICIT_MOC
      cppquickfixsettingswidget.h

src/plugins/cppeditor/cppeditor.qbs

@@ -246,7 +246,6 @@ QtcPlugin {
         "symbolsfindfilter.h",
         "typehierarchybuilder.cpp",
         "typehierarchybuilder.h",
-        "usages.h",
         "wrappablelineedit.cpp", // FIXME: Is this used?
         "wrappablelineedit.h",
     ]

src/plugins/cppeditor/usages.h

@@ -1,69 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 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 <utils/smallstringview.h>
-
-#include <QString>
-
-#include <vector>
-#include <functional>
-
-namespace CppEditor {
-
-class Usage
-{
-public:
-    Usage() = default;
-    Usage(Utils::SmallStringView path, int line, int column)
-        : path(QString::fromUtf8(path.data(), int(path.size()))),
-          line(line),
-          column(column)
-    {}
-
-    friend bool operator==(const Usage &first, const Usage &second)
-    {
-        return first.line == second.line
-            && first.column == second.column
-            && first.path == second.path;
-    }
-
-    friend bool operator<(const Usage &first, const Usage &second)
-    {
-        return std::tie(first.path, first.line, first.column)
-               < std::tie(second.path, second.line, second.column);
-    }
-
-public:
-    QString path;
-    int line = 0;
-    int column = 0;
-};
-
-using Usages = std::vector<Usage>;
-using UsagesCallback = std::function<void(const Usages &usages)>;
-
-} // namespace CppEditor