Mark WorkerTest.WorkerWebSocketLayoutTests as flaky.
Mark WorkerTest.WorkerWebSocketLayoutTests as flaky.

TBR=mmoss
BUG=49381
TEST=WorkerTest.WorkerWebSocketLayoutTests

Review URL: http://codereview.chromium.org/3028011

git-svn-id: http://src.chromium.org/svn/trunk/src@52771 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 68841630d3e0fac69d28122e089ab2dcfc7cb856
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