Add entry to known crashes for bug 21162
Add entry to known crashes for bug 21162

BUG=21162


git-svn-id: http://src.chromium.org/svn/trunk/src@25579 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 537472146246347344a9b7cb994c6d096d58d5b9
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