Auto-rebaseline for r174431

http://src.chromium.org/viewvc/blink?view=revision&revision=174431

BUG=375454
TBR=eae@chromium.org

Review URL: https://codereview.chromium.org/291313002

git-svn-id: svn://svn.chromium.org/blink/trunk@174446 bbb929c8-8fbe-4397-9dbb-9b2b20218538