Auto-rebaseline for r173904

http://src.chromium.org/viewvc/blink?view=revision&revision=173904

BUG=372516
TBR=tasak@google.com

Review URL: https://codereview.chromium.org/279343003

git-svn-id: svn://svn.chromium.org/blink/trunk@173922 bbb929c8-8fbe-4397-9dbb-9b2b20218538