Auto-rebaseline for r173781

http://src.chromium.org/viewvc/blink?view=revision&revision=173781

BUG=361729
TBR=enne@chromium.org

Review URL: https://codereview.chromium.org/277103003

git-svn-id: svn://svn.chromium.org/blink/trunk@173801 bbb929c8-8fbe-4397-9dbb-9b2b20218538