[Sync] Move //sync to //components/sync.

sync/util/protobuf_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 <string>
-#include <vector>
-
-#include "sync/protocol/test.pb.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-TEST(SyncProtobufTest, TestUnknownFields) {
-  // This tests ensures that we retain unknown fields in protocol buffers by
-  // serialising UnknownFieldsTestB, which is a superset of UnknownFieldsTestA,
-  // and checking we get back to the same message after parsing/serialising via
-  // UnknownFieldsTestA.
-  sync_pb::UnknownFieldsTestA a;
-  sync_pb::UnknownFieldsTestB b;
-  sync_pb::UnknownFieldsTestB b2;
-
-  b.set_foo(true);
-  b.set_bar(true);
-  std::string serialized;
-  ASSERT_TRUE(b.SerializeToString(&serialized));
-  ASSERT_TRUE(a.ParseFromString(serialized));
-  ASSERT_TRUE(a.foo());
-  std::string serialized2;
-  ASSERT_TRUE(a.SerializeToString(&serialized2));
-  ASSERT_TRUE(b2.ParseFromString(serialized2));
-  ASSERT_TRUE(b2.foo());
-  ASSERT_TRUE(b2.bar());
-}
-
-}  // namespace