[Sync] Removing duplicate includes, part 2.

components/sync/driver/shared_change_processor_unittest.cc

 // Copyright 2014 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/driver/shared_change_processor.h"
 
 #include <cstddef>
-#include <memory>
-#include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/compiler_specific.h"
-#include "base/location.h"
-#include "base/single_thread_task_runner.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/thread.h"
 #include "components/sync/api/attachments/attachment_id.h"
 #include "components/sync/api/attachments/attachment_store.h"
 #include "components/sync/api/data_type_error_handler_mock.h"
 #include "components/sync/api/fake_syncable_service.h"
 #include "components/sync/base/model_type.h"
 #include "components/sync/core/attachments/attachment_service_impl.h"
 #include "components/sync/core/test/test_user_share.h"
 #include "components/sync/device_info/local_device_info_provider.h"
@@ skipping 201 matching lines @@
 // creates AttachmentService and passes it back to the syncable service.
 TEST_F(SyncSharedChangeProcessorTest, ConnectWithAttachmentStore) {
   SetAttachmentStore();
   Connect();
   EXPECT_TRUE(HasAttachmentService());
 }
 
 }  // namespace
 
 }  // namespace syncer