Auto-rebaseline for r176944

http://src.chromium.org/viewvc/blink?view=revision&revision=176944

BUG=388324
TBR=skobes@chromium.org

Review URL: https://codereview.chromium.org/343813005

git-svn-id: svn://svn.chromium.org/blink/trunk@176996 bbb929c8-8fbe-4397-9dbb-9b2b20218538