Disable all browser focus tests on windows. They are hanging or crashing on the buildbot.
Disable all browser focus tests on windows. They are hanging or crashing on the buildbot.

BUG=24400
TBR=thakis

Review URL: http://codereview.chromium.org/271030

git-svn-id: http://src.chromium.org/svn/trunk/src@28508 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 2b8dabf7dfbf847c258901930c3187aa0a1eeb51
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