[Sync] Rename csync namespace to syncer

sync/test/engine/syncer_command_test.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/test/engine/syncer_command_test.h"
 
-namespace csync {
+namespace syncer {
 
 const unsigned int kMaxMessages = 10;
 const unsigned int kMaxMessageSize = 5 * 1024;
 
 SyncerCommandTestBase::SyncerCommandTestBase()
     : traffic_recorder_(kMaxMessages, kMaxMessageSize) {
 }
 
 SyncerCommandTestBase::~SyncerCommandTestBase() {
 }
@@ skipping 38 matching lines @@
   // The session always expects there to be a passive worker.
   workers()->push_back(
       make_scoped_refptr(new FakeModelWorker(GROUP_PASSIVE)));
   ResetContext();
 }
 
 Directory* MockDirectorySyncerCommandTest::directory() {
   return &mock_directory_;
 }
 
-}  // namespace csync
+}  // namespace syncer