Auto-rebaseline for r173056

http://src.chromium.org/viewvc/blink?view=revision&revision=173056

BUG=368571
TBR=ericwilligers@chromium.org

Review URL: https://codereview.chromium.org/264943005

git-svn-id: svn://svn.chromium.org/blink/trunk@173117 bbb929c8-8fbe-4397-9dbb-9b2b20218538