GitLab

Fix printing/iframe-print.html for all Windowses.

Previous rebaseline-cl attempt in
https://chromium-review.googlesource.com/c/chromium/src/+/1309653
produced something that one Windows bot doesn't like (missing
expectations):
https://ci.chromium.org/p/chromium/builders/luci.chromium.try/win10-blink-rel/1873

TBR=atotic@chromium.org

Bug: 591500, 900469
Change-Id: I9159aecc9efc8a4b13d8956cadcbfa0d5fc9ab7f
Reviewed-on: https://chromium-review.googlesource.com/c/1310993Reviewed-by: Morten Stenshorne <mstensho@chromium.org>
Reviewed-by: Aleks Totic <atotic@chromium.org>
Commit-Queue: Morten Stenshorne <mstensho@chromium.org>
Cr-Commit-Position: refs/heads/master@{#604428}