[Sync] Rename csync namespace to syncer

sync/engine/get_commit_ids_command.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/get_commit_ids_command.h"
 
 #include <set>
 #include <utility>
 #include <vector>
 
 #include "sync/engine/nigori_util.h"
 #include "sync/engine/syncer_util.h"
 #include "sync/engine/throttled_data_type_tracker.h"
 #include "sync/syncable/entry.h"
 #include "sync/syncable/mutable_entry.h"
 #include "sync/syncable/write_transaction.h"
 #include "sync/util/cryptographer.h"
 
 using std::set;
 using std::vector;
 
-namespace csync {
+namespace syncer {
 
 using sessions::OrderedCommitSet;
 using sessions::SyncSession;
 using sessions::StatusController;
 
 GetCommitIdsCommand::GetCommitIdsCommand(
     const size_t commit_batch_size,
     sessions::OrderedCommitSet* commit_set)
     : requested_commit_batch_size_(commit_batch_size),
       commit_set_(commit_set) {
@@ skipping 392 matching lines @@
   // We commit deleted moves under deleted items as moves when collapsing
   // delete trees.
 
   // Add moves and creates, and prepend their uncommitted parents.
   AddCreatesAndMoves(write_transaction, routes, ready_unsynced_set);
 
   // Add all deletes.
   AddDeletes(write_transaction, ready_unsynced_set);
 }
 
-}  // namespace csync
+}  // namespace syncer