[Sync] Moved down comments directly following copyright.

components/sync/engine_impl/traffic_logger.h

 // 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.
 
-// This file has the functions to log all the sync related HTTP communication.
-// To get the log run a debug build of chrome with the flag
-// --vmodule=traffic_logger=1.
-
 #ifndef COMPONENTS_SYNC_ENGINE_IMPL_TRAFFIC_LOGGER_H_
 #define COMPONENTS_SYNC_ENGINE_IMPL_TRAFFIC_LOGGER_H_
 
 namespace sync_pb {
 class ClientToServerResponse;
 class ClientToServerMessage;
 }  // namespace sync_pb
 
 namespace syncer {
 
+// This file has the functions to log all the sync related HTTP communication.
+// To get the log run a debug build of chrome with the flag
+// --vmodule=traffic_logger=1.
+
 void LogClientToServerMessage(const sync_pb::ClientToServerMessage& msg);
 void LogClientToServerResponse(const sync_pb::ClientToServerResponse& response);
 
 }  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_ENGINE_IMPL_TRAFFIC_LOGGER_H_