Auto-rebaseline for r171962

http://src.chromium.org/viewvc/blink?view=revision&revision=171962

BUG=261605
TBR=abarth@chromium.org

Review URL: https://codereview.chromium.org/242103006

git-svn-id: svn://svn.chromium.org/blink/trunk@171974 bbb929c8-8fbe-4397-9dbb-9b2b20218538