Make base::IsValidGUID() accept GUID strings in lowercase.
It's pretty common that GUID strings express hex digits in lowercase.
This CL modifies base::IsValidGUID() to also accept GUID strings in
lowercase, so that the function can be used to validate GUIDs not
generated by base::GenerateGUID().
BUG=None
TEST=base_unittests
Review URL: https://codereview.chromium.org/546603002
Cr-Commit-Position: refs/heads/master@{#293449}
CrOS-Libchrome-Original-Commit: 57d121ace54a34516a4b758007632ac410dfe9bd
2 files changed