Auto-rebaseline for r173153

http://src.chromium.org/viewvc/blink?view=revision&revision=173153

BUG=368518
TBR=enne@chromium.org

Review URL: https://codereview.chromium.org/261983004

git-svn-id: svn://svn.chromium.org/blink/trunk@173220 bbb929c8-8fbe-4397-9dbb-9b2b20218538