GitLab

Compression level 0 selects deflate_stored. Allow it to be selected as
using zlib_bench --compression 0 command line option.

Bug: 798943
Change-Id: Ib2aac8e2c2c332350de334bca7c2dfde0cfe6a0f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2148708
Commit-Queue: Chris Blume <cblume@chromium.org>
Reviewed-by: Chris Blume <cblume@chromium.org>
Auto-Submit: Noel Gordon <noel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#758936}