Remove 20778 from suppressions list as it got fixed.
Remove 20778 from suppressions list as it got fixed.

BUG=20778

Review URL: http://codereview.chromium.org/266008

git-svn-id: http://src.chromium.org/svn/trunk/src@28328 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 2a07b19ac8526827275d74e7566c3c3ebeef955d
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