Auto-rebaseline for r168578

http://src.chromium.org/viewvc/blink?view=revision&revision=168578

BUG=349222
TBR=qinmin@chromium.org

Review URL: https://codereview.chromium.org/187813010

git-svn-id: svn://svn.chromium.org/blink/trunk@168590 bbb929c8-8fbe-4397-9dbb-9b2b20218538