[Sync] Rename csync namespace to syncer

sync/sessions/status_controller_unittest.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/sessions/sync_session.h"
 #include "sync/test/engine/test_id_factory.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace csync {
+namespace syncer {
 namespace sessions {
 
 class StatusControllerTest : public testing::Test {
  public:
   virtual void SetUp() {
     routes_[syncable::BOOKMARKS] = GROUP_UI;
   }
  protected:
   ModelSafeRoutingInfo routes_;
 };
@@ skipping 101 matching lines @@
   const UpdateProgress* progress =
       status.GetUnrestrictedUpdateProgress(GROUP_UI);
   EXPECT_FALSE(progress);
   status.model_neutral_state();
   status.download_updates_succeeded();
   status.ServerSaysNothingMoreToDownload();
   status.group_restriction();
 }
 
 }  // namespace sessions
-}  // namespace csync
+}  // namespace syncer