Fix TestBrowserThread destruction order in CrOS tests.

chrome/browser/chromeos/policy/network_configuration_updater_unittest.cc

 // Copyright 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 <stddef.h>
 
 #include <memory>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 294 matching lines @@
   // continues to point to that instance but |certificate_importer_owned_| is
   // released.
   FakeCertificateImporter* certificate_importer_;
   std::unique_ptr<chromeos::onc::CertificateImporter>
       certificate_importer_owned_;
 
   StrictMock<MockConfigurationPolicyProvider> provider_;
   std::unique_ptr<PolicyServiceImpl> policy_service_;
   FakeUser fake_user_;
 
+  // Must outlive |profile_|.
+  content::TestBrowserThreadBundle thread_bundle_;
+
   TestingProfile profile_;
 
   std::unique_ptr<NetworkConfigurationUpdater> network_configuration_updater_;
-  content::TestBrowserThreadBundle thread_bundle_;
 };
 
 TEST_F(NetworkConfigurationUpdaterTest, CellularAllowRoaming) {
   // Ignore network config updates.
   EXPECT_CALL(network_config_handler_, SetPolicy(_, _, _, _)).Times(AtLeast(1));
 
   settings_helper_.ReplaceProvider(chromeos::kSignedDataRoamingEnabled);
   settings_helper_.SetBoolean(chromeos::kSignedDataRoamingEnabled, false);
   EXPECT_FALSE(network_device_handler_.allow_roaming_);
 
@@ skipping 343 matching lines @@
   EXPECT_EQ(ExpectedImportCertificatesCallCount(),
             certificate_importer_->GetAndResetImportCount());
 }
 
 INSTANTIATE_TEST_CASE_P(NetworkConfigurationUpdaterTestWithParamInstance,
                         NetworkConfigurationUpdaterTestWithParam,
                         testing::Values(key::kDeviceOpenNetworkConfiguration,
                                         key::kOpenNetworkConfiguration));
 
 }  // namespace policy