Auto-rebaseline for r184668

http://src.chromium.org/viewvc/blink?view=revision&revision=184668

BUG=391051
TBR=jbroman@chromium.org

Review URL: https://codereview.chromium.org/653993006

git-svn-id: svn://svn.chromium.org/blink/trunk@184674 bbb929c8-8fbe-4397-9dbb-9b2b20218538