Auto-rebaseline for r170743

http://src.chromium.org/viewvc/blink?view=revision&revision=170743

BUG=357629
TBR=esprehn@chromium.org

Review URL: https://codereview.chromium.org/216843003

git-svn-id: svn://svn.chromium.org/blink/trunk@170764 bbb929c8-8fbe-4397-9dbb-9b2b20218538