Remove duplicated user_prefs::TestingPrefServiceSyncable

components/password_manager/sync/browser/password_manager_setting_migrator_service_unittest.cc

 // Copyright (c) 2015 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/json/json_writer.h"
 #include "base/macros.h"
 #include "base/metrics/field_trial.h"
 #include "base/test/histogram_tester.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "components/password_manager/core/browser/password_manager.h"
 #include "components/password_manager/core/common/password_manager_pref_names.h"
 #include "components/password_manager/sync/browser/password_manager_setting_migrator_service.h"
-#include "components/pref_registry/testing_pref_service_syncable.h"
 #include "components/prefs/pref_service.h"
 #include "components/sync/driver/fake_sync_service.h"
 #include "components/sync/model/attachments/attachment_service_proxy_for_test.h"
 #include "components/sync/model/fake_sync_change_processor.h"
 #include "components/sync/model/sync_error_factory.h"
 #include "components/sync/model/sync_error_factory_mock.h"
 #include "components/sync/protocol/sync.pb.h"
 #include "components/sync_preferences/pref_model_associator_client.h"
 #include "components/sync_preferences/pref_service_mock_factory.h"
 #include "components/sync_preferences/pref_service_syncable.h"
@@ skipping 428 matching lines @@
   ASSERT_EQ(prefs()->GetBoolean(prefs::kCredentialsEnableService), true);
   profile_sync_service()->SetCanSyncStart(false);
   base::HistogramTester tester;
   NotifyProfileAdded();
   ExpectValuesForBothPrefValues(true, true);
   EXPECT_THAT(tester.GetAllSamples(kInitialAndFinalValuesHistogramName),
               testing::ElementsAre(base::Bucket(I11F11, 1)));
 }
 
 }  // namespace password_manager