Auto-rebaseline for r157970

http://src.chromium.org/viewvc/blink?view=revision&revision=157970

BUG=251727
TBR=stavila@adobe.com

Review URL: https://codereview.chromium.org/23506046

git-svn-id: svn://svn.chromium.org/blink/trunk@157981 bbb929c8-8fbe-4397-9dbb-9b2b20218538