[Sync] Removing duplicate includes, part 2.

components/sync/core/change_record_unittest.cc

 // Copyright (c) 2012 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/core/change_record.h"
 
 #include <stddef.h>
-#include <stdint.h>
 
-#include <memory>
 #include <string>
 #include <utility>
 
 #include "base/strings/string_number_conversions.h"
 #include "base/test/values_test_util.h"
 #include "base/values.h"
 #include "components/sync/protocol/extension_specifics.pb.h"
 #include "components/sync/protocol/proto_value_conversions.h"
-#include "components/sync/protocol/sync.pb.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace syncer {
 namespace {
 
 using base::ExpectDictDictionaryValue;
 using base::ExpectDictStringValue;
 using testing::Invoke;
 using testing::StrictMock;
@@ skipping 124 matching lines @@
     extra->set_expected_to_value_calls(2U);
 
     record.extra.reset(extra.release());
     std::unique_ptr<base::DictionaryValue> value(record.ToValue());
     CheckChangeRecordValue(record, *value);
   }
 }
 
 }  // namespace
 }  // namespace syncer