Also add ObserverListThreadSafeTest.CrossThreadNotifications to ignore list.
Also add ObserverListThreadSafeTest.CrossThreadNotifications to ignore list.

BUG=7477

Review URL: http://codereview.chromium.org/20157

git-svn-id: http://src.chromium.org/svn/trunk/src@9367 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 90f20f160fe947462ce67228b2fa91b2c14be1bd
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