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

sync/engine/traffic_logger.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 "sync/engine/traffic_logger.h"
-
-#include <memory>
-#include <string>
-
-#include "base/json/json_writer.h"
-#include "base/logging.h"
-#include "base/values.h"
-#include "sync/protocol/proto_value_conversions.h"
-#include "sync/protocol/sync.pb.h"
-
-namespace syncer {
-
-namespace {
-template <class T>
-void LogData(const T& data,
-             std::unique_ptr<base::DictionaryValue> (
-                 *to_dictionary_value)(const T&, bool),
-             const std::string& description) {
-  if (::logging::DEBUG_MODE && VLOG_IS_ON(1)) {
-    std::unique_ptr<base::DictionaryValue> value =
-        (*to_dictionary_value)(data, true /* include_specifics */);
-    std::string message;
-    base::JSONWriter::WriteWithOptions(
-        *value, base::JSONWriter::OPTIONS_PRETTY_PRINT, &message);
-    DVLOG(1) << "\n" << description << "\n" << message << "\n";
-  }
-}
-}  // namespace
-
-void LogClientToServerMessage(const sync_pb::ClientToServerMessage& msg) {
-  LogData(msg, &ClientToServerMessageToValue,
-          "******Client To Server Message******");
-}
-
-void LogClientToServerResponse(
-    const sync_pb::ClientToServerResponse& response) {
-  LogData(response, &ClientToServerResponseToValue,
-          "******Server Response******");
-}
-
-}  // namespace syncer