Mark a ui test as flaky on windows.
Mark a ui test as flaky on windows.

TBR=jam
BUG=22608

Review URL: http://codereview.chromium.org/262003

git-svn-id: http://src.chromium.org/svn/trunk/src@28226 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: fb6e51dce19b53aa80d334e2943f305fd9e8edc4
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