Mark WorkerTest.LimitTotal is flaky even on Windows.
Mark WorkerTest.LimitTotal is flaky even on Windows.

BUG=28445
TBR=levin
Review URL: http://codereview.chromium.org/549042

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@36165 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser