Set timeout in sync setup

chrome/browser/ui/webui/sync_setup_handler_unittest.cc

 // Copyright (c) 2012 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 "chrome/browser/ui/webui/sync_setup_handler.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/json/json_writer.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/message_loop.h"
 #include "base/stl_util.h"
 #include "base/values.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/browser/signin/signin_manager_fake.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chrome/browser/sync/profile_sync_service_mock.h"
 #include "chrome/browser/ui/webui/signin/login_ui_service.h"
 #include "chrome/browser/ui/webui/signin/login_ui_service_factory.h"
 #include "chrome/browser/ui/webui/sync_promo/sync_promo_ui.h"
@@ skipping 392 matching lines @@
     const TestWebUI::CallData& data = web_ui_.call_data()[0];
     EXPECT_EQ("SyncSetupOverlay.showSyncSetupPage", data.function_name);
     std::string page;
     ASSERT_TRUE(data.arg1->GetAsString(&page));
     EXPECT_EQ(page, "done");
   }
 
   scoped_ptr<Profile> profile_;
   ProfileSyncServiceMock* mock_pss_;
   GoogleServiceAuthError error_;
+  MessageLoop message_loop_;

[kochi, 2012/07/27 05:13:53]

Could you elaborate why this fixes the test?
Please add why this has to be exist, otherwise this just looks *not used*. 

[peria, 2012/07/27 05:32:02]

Done.

   SigninManagerMock* mock_signin_;
   TestWebUI web_ui_;
   scoped_ptr<TestingSyncSetupHandler> handler_;
 };
 
 TEST_P(SyncSetupHandlerTest, Basic) {
 }
 
 TEST_P(SyncSetupHandlerTest, DisplayBasicLogin) {
   EXPECT_CALL(*mock_pss_, IsSyncEnabledAndLoggedIn())
@@ skipping 716 matching lines @@
   CheckShowSyncSetupArgs(
       dictionary, err, false, GoogleServiceAuthError::NONE, "", true, "");
   handler_->CloseSyncSetup();
   EXPECT_EQ(NULL,
             LoginUIServiceFactory::GetForProfile(
                 profile_.get())->current_login_ui());
 }
 
 INSTANTIATE_TEST_CASE_P(SyncSetupHandlerTest, SyncSetupHandlerTest,
                         Values(true, false));