http://webkit-test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=storage%2Fwebsql%2Fopen-database-creation-callback-isolated-world.html%2Ctorage%2Fwebsql%2Fstatement-error-callback-isolated-world.html%2Cstorage%2Fwebsql%2Ftransaction-success-callback-isolated-world.html e.g. http://build.webkit.org/results/Apple%20MountainLion%20Release%20WK2%20(Tests)/r150385%20(9027)/results.html
Committed r150390: <http://trac.webkit.org/changeset/150390>
These tests are currently not flaky on bots.