use updated add/release methods Review URL: http://codereview.chromium.org/6459
use updated add/release methods
Review URL: http://codereview.chromium.org/6459

git-svn-id: http://src.chromium.org/svn/trunk/src@2846 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 7f2bf6b1ebccd525821a0961e1ec61afe3696db0
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