[Sync] Rename csync namespace to syncer

sync/engine/update_applicator.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/update_applicator.h"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "sync/engine/syncer_util.h"
 #include "sync/sessions/session_state.h"
 #include "sync/syncable/entry.h"
 #include "sync/syncable/mutable_entry.h"
 #include "sync/syncable/syncable_id.h"
 #include "sync/syncable/write_transaction.h"
 
 using std::vector;
 
-namespace csync {
+namespace syncer {
 
 UpdateApplicator::UpdateApplicator(ConflictResolver* resolver,
                                    Cryptographer* cryptographer,
                                    const UpdateIterator& begin,
                                    const UpdateIterator& end,
                                    const ModelSafeRoutingInfo& routes,
                                    ModelSafeGroup group_filter)
     : resolver_(resolver),
       cryptographer_(cryptographer),
       begin_(begin),
@@ skipping 152 matching lines @@
 void UpdateApplicator::ResultTracker::ClearConflicts() {
   conflicting_ids_.clear();
   encryption_conflict_ids_.clear();
   hierarchy_conflict_ids_.clear();
 }
 
 bool UpdateApplicator::ResultTracker::no_conflicts() const {
   return conflicting_ids_.empty();
 }
 
-}  // namespace csync
+}  // namespace syncer