Auto-rebaseline for r176849

http://src.chromium.org/viewvc/blink?view=revision&revision=176849

BUG=356823
TBR=bungeman@chromium.org

Review URL: https://codereview.chromium.org/358723003

git-svn-id: svn://svn.chromium.org/blink/trunk@177009 bbb929c8-8fbe-4397-9dbb-9b2b20218538