GTTF: Fix incomplete snippet for failing/crashing tests.

BUG=236893, 313053
R=kbr@chromium.org

Review URL: https://codereview.chromium.org/61743008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233477 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 233477