Have content/ create and destroy its own threads.

chrome/browser/autocomplete/network_action_predictor_database_unittest.cc

 // Copyright (c) 2011 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 <vector>
 
+#include "base/message_loop.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/autocomplete/network_action_predictor_database.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/test/test_browser_thread.h"
 #include "sql/statement.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::Time;
@@ skipping 207 matching lines @@
   TestDeleteRow();
 }
 
 TEST_F(NetworkActionPredictorDatabaseReopenTest, DeleteRows) {
   TestDeleteRows();
 }
 
 TEST_F(NetworkActionPredictorDatabaseReopenTest, DeleteAllRows) {
   TestDeleteAllRows();
 }