Auto-rebaseline for r173660

http://src.chromium.org/viewvc/blink?view=revision&revision=173660

BUG=368078
TBR=reveman@chromium.org

Review URL: https://codereview.chromium.org/277593006

git-svn-id: svn://svn.chromium.org/blink/trunk@173683 bbb929c8-8fbe-4397-9dbb-9b2b20218538