Auto-rebaseline for r168491

http://src.chromium.org/viewvc/blink?view=revision&revision=168491

BUG=313447
TBR=jchaffraix@chromium.org

Review URL: https://codereview.chromium.org/181233009

git-svn-id: svn://svn.chromium.org/blink/trunk@168516 bbb929c8-8fbe-4397-9dbb-9b2b20218538