Fix bustage by initializing variable.
Fix bustage by initializing variable.

git-svn-id: http://src.chromium.org/svn/trunk/src@79587 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 30dae5dc1b88b0bba5329f788b41accfdd1466d1
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