Fix memory leak in unit_tests
Fix memory leak in unit_tests

BUG=13733
Original review: http://codereview.chromium.org/119444
Patch by Meelap Shah

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@18106 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser