Restore svg/W3C-SVG-1.1-SE/text-intro-09-b.svg

This test was incorrectly removed in r184321

TBR=ed@opera.com
BUG=242735

Review URL: https://codereview.chromium.org/674053006

git-svn-id: svn://svn.chromium.org/blink/trunk@184396 bbb929c8-8fbe-4397-9dbb-9b2b20218538