Add 10978 to known crash list.
Add 10978 to known crash list.

Review URL: http://codereview.chromium.org/115203

git-svn-id: http://src.chromium.org/svn/trunk/src@15788 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 5af1094bce498e2c5fe7884f16194be34db318fe
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