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

chrome/browser/chromeos/policy/device_policy_cros_browser_test.cc

 // Copyright (c) 2013 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/chromeos/policy/device_policy_cros_browser_test.h"
 
 #include <string>
 #include <vector>
 
 #include "base/file_util.h"
@@ skipping 65 matching lines @@
       fake_session_manager_client_(new chromeos::FakeSessionManagerClient) {
   fake_dbus_thread_manager_->SetFakeClients();
   fake_dbus_thread_manager_->SetSessionManagerClient(
       scoped_ptr<chromeos::SessionManagerClient>(fake_session_manager_client_));
 }
 
 DevicePolicyCrosBrowserTest::~DevicePolicyCrosBrowserTest() {
 }
 
 void DevicePolicyCrosBrowserTest::SetUpInProcessBrowserTestFixture() {
-  chromeos::DBusThreadManager::InitializeForTesting(fake_dbus_thread_manager_);
+  chromeos::DBusThreadManager::SetInstanceForTesting(fake_dbus_thread_manager_);
   InProcessBrowserTest::SetUpInProcessBrowserTestFixture();
 }
 
 void DevicePolicyCrosBrowserTest::TearDownInProcessBrowserTestFixture() {
   InProcessBrowserTest::TearDownInProcessBrowserTestFixture();
-  chromeos::DBusThreadManager::Shutdown();
 }
 
 void DevicePolicyCrosBrowserTest::MarkAsEnterpriseOwned() {
   test_helper_.MarkAsEnterpriseOwned();
 }
 
 void DevicePolicyCrosBrowserTest::InstallOwnerKey() {
   test_helper_.InstallOwnerKey();
 }
 
 void DevicePolicyCrosBrowserTest::RefreshDevicePolicy() {
   // Reset the key to its original state.
   device_policy()->SetDefaultSigningKey();
   device_policy()->Build();
   session_manager_client()->set_device_policy(device_policy()->GetBlob());
   session_manager_client()->OnPropertyChangeComplete(true);
 }
 
 }  // namespace policy