Re-rebaseline fast/selectors/unqualified-hover-strict.html after bad auto-rebaseline

TBR=ojan

Review URL: https://codereview.chromium.org/20784002

git-svn-id: svn://svn.chromium.org/blink/trunk@155000 bbb929c8-8fbe-4397-9dbb-9b2b20218538