This does unfortunately add an UNSAFE_BUFFERS() call to
http_auth_sspi_win, as it calls a Windows API that expects an input
data buffer of variable size to immediately follow a
SEC_CHANNEL_BINDINGS object.
Bug: 40284755
Change-Id: I4e0ef78dfeaa9d3ac8c180bfbd1a20619b4aab9f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6386746
Commit-Queue: mmenke <mmenke@chromium.org>
Reviewed-by: Adam Rice <ricea@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1438415}