Utils etc: More use of Key and Store

Change-Id: Idd2d70617f775d783aee93a2fe82544ad335a739
Reviewed-by: Marcus Tillmanns <marcus.tillmanns@qt.io>

src/libs/utils/store.cpp

@@ -3,7 +3,17 @@
 
 #include "store.h"
 
+#include "algorithm.h"
 
 namespace Utils {
 
+KeyList keyListFromStringList(const QStringList &list)
+{
+#ifdef QTC_USE_STORE
+    return transform(list, [](const QString &str) { return str.toUtf8(); });
+#else
+    return list;
+#endif
+}
+
 } // Utils