Rebaseline fast/events/onerror-no-constructor.html

Forgot to do this during my last gardening stint :(

BUG=369600
TBR=ojan

Review URL: https://codereview.chromium.org/305623006

git-svn-id: svn://svn.chromium.org/blink/trunk@174978 bbb929c8-8fbe-4397-9dbb-9b2b20218538