Fix memory leak in test

Fix memory leak in test

BUG=none
TBR=mpearson@chromium.org
R=jiayul@chromium.org

Committed: https://crrev.com/b49c29b0ee11c0228c0a5c210edcdff79e04bb12
Cr-Commit-Position: refs/heads/master@{#296604}

[jiayl, 2014-09-24 23:30:16]

jiayl@chromium.org changed reviewers:
+ jiayl@chromium.org

[jiayl, 2014-09-24 23:30:16]

lgtm

[groby-ooo-7-16, 2014-09-24 23:32:07]

The CQ bit was checked by groby@chromium.org

[commit-bot: I haz the power, 2014-09-24 23:33:30]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/601033002/1

[commit-bot: I haz the power, 2014-09-24 23:39:04]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-09-24 23:39:05]

Try jobs failed on following builders:
  mac_gpu on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/mac_gpu/builds/60386)
  win_gpu on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/win_gpu/builds/65269)
  android_chromium_gn_compile_rel on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_chromiu...)
  android_dbg_tests_recipe on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_dbg_tes...)
  ios_dbg_simulator on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_dbg_simulator...)
  ios_rel_device on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_rel_device/bu...)
  ios_rel_device_ninja on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_rel_device_ni...)
  mac_chromium_compile_dbg on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_comp...)
  mac_chromium_rel_swarming on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)
  win8_chromium_rel on tryserver.chromium.win
(http://build.chromium.org/p/tryserver.chromium.win/builders/win8_chromium_rel...)
  win_chromium_x64_rel_swarming on tryserver.chromium.win
(http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_x64_...)

[groby-ooo-7-16, 2014-09-24 23:46:16]

The CQ bit was checked by groby@chromium.org

[commit-bot: I haz the power, 2014-09-24 23:46:45]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/601033002/1

[commit-bot: I haz the power, 2014-09-25 01:06:21]

Committed patchset #1 (id:1) as cdce187af39fccdad6c8fc26c4e29e9eaa613c54

[commit-bot: I haz the power, 2014-09-25 01:06:54]

Patchset 1 (id:??) landed as
https://crrev.com/b49c29b0ee11c0228c0a5c210edcdff79e04bb12
Cr-Commit-Position: refs/heads/master@{#296604}

[Mark P, 2014-09-25 16:05:12]

lgtm