[Sync] Rename csync namespace to syncer

sync/internal_api/public/engine/sync_status.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/internal_api/public/engine/sync_status.h"
 
-namespace csync {
+namespace syncer {
 
 SyncStatus::SyncStatus()
     : notifications_enabled(false),
       notifications_received(0),
       encryption_conflicts(0),
       hierarchy_conflicts(0),
       simple_conflicts(0),
       server_conflicts(0),
       committed_count(0),
       syncing(false),
@@ skipping 11 matching lines @@
       sync_cycles_without_commits(0),
       useless_sync_cycles(0),
       useful_sync_cycles(0),
       cryptographer_ready(false),
       crypto_has_pending_keys(false) {
 }
 
 SyncStatus::~SyncStatus() {
 }
 
-}  // namespace csync
+}  // namespace syncer