Auto-rebaseline for r173722

http://src.chromium.org/viewvc/blink?view=revision&revision=173722

BUG=371698
TBR=dominicc@chromium.org

Review URL: https://codereview.chromium.org/278833002

git-svn-id: svn://svn.chromium.org/blink/trunk@173739 bbb929c8-8fbe-4397-9dbb-9b2b20218538