Extract ArcSupportMessageHost.

chrome/browser/chromeos/arc/arc_auth_service_unittest.cc

 // Copyright 2016 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 <memory>
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 96 matching lines @@
         ->GetSyncableService(syncer::PREFERENCES)
         ->MergeDataAndStartSyncing(syncer::PREFERENCES, syncer::SyncDataList(),
                                    std::unique_ptr<syncer::SyncChangeProcessor>(
                                        new syncer::FakeSyncChangeProcessor),
                                    std::unique_ptr<syncer::SyncErrorFactory>(
                                        new syncer::SyncErrorFactoryMock()));
   }
 
   content::TestBrowserThreadBundle thread_bundle_;
   std::unique_ptr<FakeArcBridgeService> bridge_service_;
+  std::unique_ptr<TestingProfile> profile_;
   std::unique_ptr<ArcAuthService> auth_service_;
-  std::unique_ptr<TestingProfile> profile_;
   chromeos::ScopedUserManagerEnabler user_manager_enabler_;
   base::ScopedTempDir temp_dir_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcAuthServiceTest);
 };
 
 TEST_F(ArcAuthServiceTest, PrefChangeTriggersService) {
   ASSERT_EQ(ArcAuthService::State::NOT_INITIALIZED, auth_service()->state());
 
   PrefService* const pref = profile()->GetPrefs();
@@ skipping 230 matching lines @@
   second_profile->GetPrefs()->SetBoolean(prefs::kArcEnabled, true);
 
   // Check that non-primary user can't use Arc.
   EXPECT_FALSE(chromeos::ProfileHelper::IsPrimaryProfile(second_profile.get()));
   EXPECT_FALSE(ArcAppListPrefs::Get(second_profile.get()));
 
   auth_service()->Shutdown();
 }
 
 }  // namespace arc