Auto-rebaseline for r176880

http://src.chromium.org/viewvc/blink?view=revision&revision=176880

BUG=385103
TBR=leviw@chromium.org

Review URL: https://codereview.chromium.org/348853008

git-svn-id: svn://svn.chromium.org/blink/trunk@177005 bbb929c8-8fbe-4397-9dbb-9b2b20218538