buffet: add unit tests for http_utils

Added more unit tests for utility functions in http_utils.h

BUG=chromium:367379
TEST=Old and new unit tests pass.

Change-Id: I04e28691bc4db3980783c0033f5691087a8c6ab3
Reviewed-on: https://chromium-review.googlesource.com/197312
Reviewed-by: Alex Vakulenko <avakulenko@chromium.org>
Tested-by: Alex Vakulenko <avakulenko@chromium.org>
Commit-Queue: Alex Vakulenko <avakulenko@chromium.org>
3 files changed
tree: 31e38cfd266d35f6e140c77cbb1776a92d40371f
  1. buffet/