Gardening.

Mark as crash/fail tests:
fast/text/font-linux-normalize.html
virtual/antialiasedtext/fast/text/font-linux-normalize.html
virtual/antialiasedtext/fast/text/font-variant-width.html

BUG=419696
TBR=eae@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/620093002

git-svn-id: svn://svn.chromium.org/blink/trunk@183131 bbb929c8-8fbe-4397-9dbb-9b2b20218538