Auto-rebaseline for r176953

http://src.chromium.org/viewvc/blink?view=revision&revision=176953

BUG=384945
TBR=chrishtr@chromium.org

Review URL: https://codereview.chromium.org/359623002

git-svn-id: svn://svn.chromium.org/blink/trunk@176995 bbb929c8-8fbe-4397-9dbb-9b2b20218538