I ran the following code replace:
    s/(Uni|Xub)?String\s*::\s*CreateFromInt32/OUString::number/

Change-Id: I45edaec4de2481ad45f9bcae2e280d5aca487714
Reviewed-on: https://gerrit.libreoffice.org/2281Reviewed-by: Michael Stahl <mstahl@redhat.com>
Tested-by: Michael Stahl <mstahl@redhat.com>