Auto-rebaseline for r176706

http://src.chromium.org/viewvc/blink?view=revision&revision=176706

BUG=375876
TBR=wangxianzhu@chromium.org

Review URL: https://codereview.chromium.org/351503002

git-svn-id: svn://svn.chromium.org/blink/trunk@176710 bbb929c8-8fbe-4397-9dbb-9b2b20218538