[Sync] Rename csync namespace to syncer

sync/engine/syncer_util.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/engine/syncer_util.h"
 
 #include <algorithm>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 50 matching lines @@
 using syncable::SERVER_PARENT_ID;
 using syncable::SERVER_POSITION_IN_PARENT;
 using syncable::SERVER_SPECIFICS;
 using syncable::SERVER_VERSION;
 using syncable::UNIQUE_CLIENT_TAG;
 using syncable::UNIQUE_SERVER_TAG;
 using syncable::SPECIFICS;
 using syncable::SYNCER;
 using syncable::WriteTransaction;
 
-namespace csync {
+namespace syncer {
 
 // Returns the number of unsynced entries.
 // static
 int SyncerUtil::GetUnsyncedEntries(syncable::BaseTransaction* trans,
                                    std::vector<int64> *handles) {
   trans->directory()->GetUnsyncedMetaHandles(trans, handles);
   DVLOG_IF(1, !handles->empty()) << "Have " << handles->size()
                                  << " unsynced items.";
   return handles->size();
 }
@@ skipping 633 matching lines @@
   }
   if (update.version() < target->Get(SERVER_VERSION)) {
     LOG(WARNING) << "Update older than current server version for "
                  << *target << " Update:"
                  << SyncerProtoUtil::SyncEntityDebugString(update);
     return VERIFY_SUCCESS;  // Expected in new sync protocol.
   }
   return VERIFY_UNDECIDED;
 }
 
-}  // namespace csync
+}  // namespace syncer