[Sync] Rename csync namespace to syncer

sync/engine/verify_updates_command_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 "base/location.h"
 #include "sync/engine/verify_updates_command.h"
 #include "sync/protocol/bookmark_specifics.pb.h"
 #include "sync/sessions/session_state.h"
 #include "sync/sessions/sync_session.h"
 #include "sync/syncable/mutable_entry.h"
 #include "sync/syncable/syncable_id.h"
 #include "sync/test/engine/fake_model_worker.h"
 #include "sync/test/engine/syncer_command_test.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace csync {
+namespace syncer {
 
 using sessions::StatusController;
 using std::string;
 using syncable::Id;
 using syncable::MutableEntry;
 using syncable::UNITTEST;
 using syncable::WriteTransaction;
 
 class VerifyUpdatesCommandTest : public SyncerCommandTest {
  public:
@@ skipping 71 matching lines @@
     sessions::ScopedModelSafeGroupRestriction r(status, GROUP_DB);
     ASSERT_TRUE(status->update_progress());
     EXPECT_EQ(1, status->update_progress()->VerifiedUpdatesSize());
   }
   {
     sessions::ScopedModelSafeGroupRestriction r(status, GROUP_PASSIVE);
     EXPECT_FALSE(status->update_progress());
   }
 }
 
-}
+}  // namespace syncer