Do not spawn a thread in browser/interactive ui tests before spawning sandbox host process

chrome/browser/chromeos/login/wizard_controller_browsertest.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 "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/path_service.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
@@ skipping 436 matching lines @@
 
   virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
     WizardControllerTest::SetUpInProcessBrowserTestFixture();
 
     FakeDBusThreadManager* fake_dbus_thread_manager =
         new FakeDBusThreadManager();
     fake_dbus_thread_manager->SetFakeClients();
     fake_session_manager_client_ = new FakeSessionManagerClient;
     fake_dbus_thread_manager->SetSessionManagerClient(
         scoped_ptr<SessionManagerClient>(fake_session_manager_client_));
-    DBusThreadManager::InitializeForTesting(fake_dbus_thread_manager);
+    DBusThreadManager::SetInstanceForTesting(fake_dbus_thread_manager);
   }
 
   virtual void SetUpOnMainThread() OVERRIDE {
     base::PrefServiceFactory factory;
     factory.set_user_prefs(make_scoped_refptr(new PrefStoreStub()));
     local_state_ = factory.Create(new PrefRegistrySimple()).Pass();
     WizardController::set_local_state_for_testing(local_state_.get());
 
     WizardControllerTest::SetUpOnMainThread();
 
@@ skipping 238 matching lines @@
 }
 
 // TODO(dzhioev): Add test emaulating device with wrong HWID.
 
 // TODO(nkostylev): Add test for WebUI accelerators http://crosbug.com/22571
 
 COMPILE_ASSERT(ScreenObserver::EXIT_CODES_COUNT == 19,
                add_tests_for_new_control_flow_you_just_introduced);
 
 }  // namespace chromeos