GTTF: Uncrashy memory_test.
GTTF: Uncrashy memory_test.

It's still going to fail randomly, but at least shouldn't crrrrrash.

TBR=huanr

BUG=53882
TEST=memory_test

Review URL: http://codereview.chromium.org/3248005

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@57926 0039d316-1c4b-4281-b951-d872f2087c98

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