Add suppression for intentional memory leak in unit test.
Add suppression for intentional memory leak in unit test.

TBR=darin
Review URL: http://codereview.chromium.org/354001

git-svn-id: http://src.chromium.org/svn/trunk/src@30691 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 632238f7973f25d7559a79eaa2184877eeba1ad1
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