Fix leak.
Fix leak.

BUG=70576
TEST=none
Review URL: http://codereview.chromium.org/6282012

git-svn-id: http://src.chromium.org/svn/trunk/src@72408 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: d3b630ee38123f673f894d82ad6d57324d7a4827
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser