GitLab

Functions which take an SmbUrl should also return an SmbUrl instead of
std::string. This allows strong typing to be maintained, and helps avoid
conversions between SmbUrl and std::string.

Bug: 939235
Change-Id: If52ccc58d3bff62902179c1c9999fbf8bff64964
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2035827Reviewed-by: Austin Tankiang <austinct@chromium.org>
Commit-Queue: Anand Mistry <amistry@chromium.org>
Cr-Commit-Position: refs/heads/master@{#738498}