[Sync] Rename csync namespace to syncer

sync/engine/traffic_recorder.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.
 
 #ifndef CHROME_BROWSER_SYNC_ENGINE_TRAFFIC_RECORDER_H_
 #define CHROME_BROWSER_SYNC_ENGINE_TRAFFIC_RECORDER_H_
 #pragma once
 
 #include <deque>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "base/values.h"
 #include "sync/protocol/sync.pb.h"
 
 namespace sync_pb {
 class ClientToServerResponse;
 class ClientToServerMessage;
 }
 
-namespace csync {
+namespace syncer {
 
 class TrafficRecorder {
  public:
   enum TrafficMessageType {
     CLIENT_TO_SERVER_MESSAGE,
     CLIENT_TO_SERVER_RESPONSE,
     UNKNOWN_MESSAGE_TYPE
   };
 
   struct TrafficRecord {
@@ skipping 32 matching lines @@
 
   // Maximum number of messages stored in the queue.
   unsigned int max_messages_;
 
   // Maximum size of each message.
   unsigned int max_message_size_;
   std::deque<TrafficRecord> records_;
   DISALLOW_COPY_AND_ASSIGN(TrafficRecorder);
 };
 
-}  // namespace csync
+}  // namespace syncer
 
 #endif  // CHROME_BROWSER_SYNC_ENGINE_TRAFFIC_RECORDER_H_