Auto-rebaseline for r155847

http://src.chromium.org/viewvc/blink?view=revision&revision=155847

BUG=238732
TBR=jbroman@chromium.org

Review URL: https://codereview.chromium.org/22662006

git-svn-id: svn://svn.chromium.org/blink/trunk@155858 bbb929c8-8fbe-4397-9dbb-9b2b20218538