Auto-rebaseline for r180708

http://src.chromium.org/viewvc/blink?view=revision&revision=180708

BUG=401592
TBR=robhogan@gmail.com

Review URL: https://codereview.chromium.org/489383003

git-svn-id: svn://svn.chromium.org/blink/trunk@180712 bbb929c8-8fbe-4397-9dbb-9b2b20218538