[Sync] Removing duplicate includes, part 2.

components/sync/driver/generic_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/generic_change_processor.h"
 
 #include <stddef.h>
 
-#include <memory>
-#include <string>
 #include <utility>
 
-#include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/strings/stringprintf.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/api/sync_change.h"
-#include "components/sync/api/sync_merge_result.h"
 #include "components/sync/base/model_type.h"
 #include "components/sync/core/attachments/attachment_service_impl.h"
 #include "components/sync/core/attachments/fake_attachment_downloader.h"
 #include "components/sync/core/attachments/fake_attachment_uploader.h"
 #include "components/sync/core/read_node.h"
 #include "components/sync/core/read_transaction.h"
 #include "components/sync/core/sync_encryption_handler.h"
 #include "components/sync/core/test/test_user_share.h"
 #include "components/sync/core/user_share.h"
 #include "components/sync/core/write_node.h"
@@ skipping 486 matching lines @@
   SyncDataList sync_data = change_processor()->GetAllSyncData(SESSIONS);
   ASSERT_EQ(sync_data.size(), 1U);
   ASSERT_EQ("session tag 2",
             sync_data[0].GetSpecifics().session().session_tag());
   EXPECT_FALSE(SyncDataRemote(sync_data[0]).GetClientTagHash().empty());
 }
 
 }  // namespace
 
 }  // namespace syncer