[Sync] Rename csync namespace to syncer

sync/internal_api/read_node.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/internal_api/public/read_node.h"
 
 #include "base/logging.h"
 #include "sync/internal_api/public/base_transaction.h"
 #include "sync/syncable/base_transaction.h"
 #include "sync/syncable/entry.h"
 
-namespace csync {
+namespace syncer {
 
 //////////////////////////////////////////////////////////////////////////
 // ReadNode member definitions
 ReadNode::ReadNode(const BaseTransaction* transaction)
     : entry_(NULL), transaction_(transaction) {
   DCHECK(transaction);
 }
 
 ReadNode::ReadNode() {
   entry_ = NULL;
@@ skipping 65 matching lines @@
     return INIT_FAILED_ENTRY_NOT_GOOD;
   if (entry_->Get(syncable::IS_DEL))
     return INIT_FAILED_ENTRY_IS_DEL;
   syncable::ModelType model_type = GetModelType();
   LOG_IF(WARNING, model_type == syncable::UNSPECIFIED ||
                   model_type == syncable::TOP_LEVEL_FOLDER)
       << "SyncAPI InitByTagLookup referencing unusually typed object.";
   return DecryptIfNecessary() ? INIT_OK : INIT_FAILED_DECRYPT_IF_NECESSARY;
 }
 
-}  // namespace csync
+}  // namespace syncer