system_api: Add smbprovider ErrorType enum

Add enum ErrorType that match ProvidedError on Chromium.

BUG=chromium:757625
TEST=runs locally
Change-Id: Ic641a3dccd48a0e3bdfc5da52ace381d238acca3
Reviewed-on: https://chromium-review.googlesource.com/744992
Commit-Ready: Allen Vicencio <allenvic@chromium.org>
Tested-by: Zentaro Kavanagh <zentaro@google.com>
Reviewed-by: Zentaro Kavanagh <zentaro@google.com>
1 file changed