Have content/ create and destroy its own threads.

chrome/browser/safe_browsing/safe_browsing_test.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.
 //
 // This test uses the safebrowsing test server published at
 // http://code.google.com/p/google-safe-browsing/ to test the safebrowsing
 // protocol implemetation. Details of the safebrowsing testing flow is
 // documented at
 // http://code.google.com/p/google-safe-browsing/wiki/ProtocolTesting
 //
 // This test launches safebrowsing test server and issues several update
 // requests against that server. Each update would get different data and after
 // each update, the test will get a list of URLs from the test server to verify
 // its repository. The test will succeed only if all updates are performed and
 // URLs match what the server expected.
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/environment.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
 #include "base/string_number_conversions.h"
 #include "base/string_split.h"
 #include "base/stringprintf.h"
 #include "base/synchronization/lock.h"
 #include "base/test/test_timeouts.h"
 #include "base/threading/platform_thread.h"
+#include "base/threading/thread.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/safe_browsing/protocol_manager.h"
 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
@@ skipping 611 matching lines @@
   }
 
   // Verifies with server if test is done and waits till server responses.
   EXPECT_EQ(net::URLRequestStatus::SUCCESS,
             safe_browsing_helper->VerifyTestComplete(server_host,
                                                      server_port,
                                                      last_step));
   EXPECT_EQ("yes", safe_browsing_helper->response_data());
   test_server.Stop();
 }