Auto-rebaseline for r168968

http://src.chromium.org/viewvc/blink?view=revision&revision=168968

BUG=320139
TBR=jchaffraix@chromium.org

Review URL: https://codereview.chromium.org/202263002

git-svn-id: svn://svn.chromium.org/blink/trunk@169372 bbb929c8-8fbe-4397-9dbb-9b2b20218538