Auto-rebaseline for r174468

http://src.chromium.org/viewvc/blink?view=revision&revision=174468

BUG=258219
TBR=wangxianzhu@chromium.org

Review URL: https://codereview.chromium.org/298933002

git-svn-id: svn://svn.chromium.org/blink/trunk@174494 bbb929c8-8fbe-4397-9dbb-9b2b20218538