Utils: Tr::tr

Change-Id: Ic03e20993f05fb5b49a12c891d86afb2c8e18e08
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: hjk <hjk@qt.io>

src/libs/utils/persistentsettings.cpp

@@ -5,8 +5,8 @@
 
 #include "fileutils.h"
 #include "qtcassert.h"
+#include "utilstr.h"
 
-#include <QCoreApplication>
 #include <QDateTime>
 #include <QDebug>
 #include <QDir>
@@ -415,9 +415,7 @@ bool PersistentSettingsWriter::save(const QVariantMap &data, QWidget *parent) co
     QString errorString;
     const bool success = save(data, &errorString);
     if (!success)
-        QMessageBox::critical(parent,
-                              QCoreApplication::translate("Utils::FileSaverBase", "File Error"),
-                              errorString);
+        QMessageBox::critical(parent, Tr::tr("File Error"), errorString);
     return success;
 }
 #endif // QT_GUI_LIB