Add a bunch of missing bug references to FLAKY tests

chrome/worker/worker_uitest.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/file_path.h"
 #include "base/string_util.h"
 #include "chrome/app/chrome_dll_resource.h"
 #include "chrome/browser/worker_host/worker_service.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/url_constants.h"
@@ skipping 184 matching lines @@
 
 TEST_F(WorkerTest, SingleSharedWorker) {
   RunTest(FilePath(FILE_PATH_LITERAL("single_worker.html?shared=true")));
 }
 
 TEST_F(WorkerTest, MultipleSharedWorkers) {
   RunTest(FilePath(FILE_PATH_LITERAL("multi_worker.html?shared=true")));
 }
 
 #if defined(OS_LINUX)
+// http://crbug.com/30021
 #define IncognitoSharedWorkers FLAKY_IncognitoSharedWorkers
 #endif
 
 // Incognito windows should not share workers with non-incognito windows
 TEST_F(WorkerTest, IncognitoSharedWorkers) {
   // Load a non-incognito tab and have it create a shared worker
   RunTest(FilePath(FILE_PATH_LITERAL("incognito_worker.html")));
   // Incognito worker should not share with non-incognito
   RunIncognitoTest(FilePath(FILE_PATH_LITERAL("incognito_worker.html")));
 }
@@ skipping 495 matching lines @@
   RunWorkerFileSystemLayoutTest("simple-persistent-sync.html");
 }
 
 TEST_F(WorkerTest, DISABLED_WorkerFileSystemAsyncOperationsTest) {
   RunWorkerFileSystemLayoutTest("async-operations.html");
 }
 
 TEST_F(WorkerTest, DISABLED_WorkerFileSystemSyncOperationsTest) {
   RunWorkerFileSystemLayoutTest("sync-operations.html");
 }