Remove ThreadSanitizer suppression for 22272.
Remove ThreadSanitizer suppression for 22272.

The race was specific to unit-test code (see r29826) and should be fixed now.

BUG=22272

Review URL: http://codereview.chromium.org/293042

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@30301 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