[Sync] Removing duplicate includes, part 2.

components/sync/device_info/device_info_service_unittest.cc

 // Copyright 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 "components/sync/device_info/device_info_service.h"
 
-#include <map>
-#include <memory>
 #include <set>
-#include <string>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/strings/stringprintf.h"
 #include "components/sync/api/data_batch.h"
 #include "components/sync/api/data_type_error_handler_mock.h"
 #include "components/sync/api/entity_data.h"
 #include "components/sync/api/fake_model_type_change_processor.h"
 #include "components/sync/api/metadata_batch.h"
-#include "components/sync/api/model_type_store.h"
 #include "components/sync/base/time.h"
 #include "components/sync/core/test/model_type_store_test_util.h"
 #include "components/sync/device_info/local_device_info_provider_mock.h"
 #include "components/sync/protocol/data_type_state.pb.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace syncer {
 
 using base::Time;
 using base::TimeDelta;
@@ skipping 717 matching lines @@
   specifics.set_cache_guid("non-local");
   PushBackEntityChangeAdd(specifics, &change_list);
   service()->ApplySyncChanges(service()->CreateMetadataChangeList(),
                               change_list);
   EXPECT_EQ(1, service()->CountActiveDevices());
 }
 
 }  // namespace
 
 }  // namespace syncer