CRLF -> LF in giant-stylesheet-crash.html

Not able to apply another patch from rietveld due to CRLF issues.

TBR=ojan@chromium.org
BUG=None

Review URL: https://codereview.chromium.org/46063006

git-svn-id: svn://svn.chromium.org/blink/trunk@160658 bbb929c8-8fbe-4397-9dbb-9b2b20218538