Multiple data races in WebKit::WebWorkerImpl::startWorkerContext
Multiple data races in WebKit::WebWorkerImpl::startWorkerContext

Adds tsan suppression for this race.

BUG=75694
TEST=ThreadSanitizer bots go green.
TBR=timurrrr@chromium.org

Review URL: http://codereview.chromium.org/6676003

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@77715 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