Update test expectations after builk autorebaseline

TBR=robertphillips@google.com
BUG=309611

Review URL: https://codereview.chromium.org/441513002

git-svn-id: svn://svn.chromium.org/blink/trunk@179447 bbb929c8-8fbe-4397-9dbb-9b2b20218538