Add test fast/images/55.html

TBR=mikelawther@chromium.org
BUG=258723

Review URL: https://codereview.chromium.org/27135003

git-svn-id: svn://svn.chromium.org/blink/trunk@159561 bbb929c8-8fbe-4397-9dbb-9b2b20218538