Fix a memory leak in chrome://version handler.

Fix a memory leak in chrome://version handler.

Found by the Mac OS X 'leaks' tool; fixed on a plane.

BUG=292905
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=223554

[Evan Stade, 2013-09-16 23:17:33]

lgtm

[commit-bot: I haz the power, 2013-09-16 23:22:36]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/asvitkine@chromium.org/23686018/1

[commit-bot: I haz the power, 2013-09-16 23:33:51]

Step "update" is always a major failure.
Look at the try server FAQ for more details.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=android_cl...

[commit-bot: I haz the power, 2013-09-16 23:45:01]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/asvitkine@chromium.org/23686018/1

[commit-bot: I haz the power, 2013-09-16 23:48:09]

Step "update" is always a major failure.
Look at the try server FAQ for more details.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=android_cl...

[commit-bot: I haz the power, 2013-09-16 23:52:21]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/asvitkine@chromium.org/23686018/1

[commit-bot: I haz the power, 2013-09-17 06:48:56]

Change committed as 223554