[Sync] Rename csync namespace to syncer

sync/engine/get_commit_ids_command.h

 // 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.
 
 #ifndef SYNC_ENGINE_GET_COMMIT_IDS_COMMAND_H_
 #define SYNC_ENGINE_GET_COMMIT_IDS_COMMAND_H_
 #pragma once
 
 #include <utility>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "sync/engine/syncer_command.h"
 #include "sync/engine/syncer_util.h"
 #include "sync/sessions/ordered_commit_set.h"
 #include "sync/sessions/sync_session.h"
 #include "sync/syncable/directory.h"
 
 using std::pair;
 using std::vector;
 
-namespace csync {
+namespace syncer {
 
 // A class that contains the code used to search the syncable::Directory for
 // locally modified items that are ready to be committed to the server.
 //
 // See SyncerCommand documentation for more info.
 class GetCommitIdsCommand : public SyncerCommand {
   friend class SyncerTest;
 
  public:
   // The batch_size parameter is the maximum number of entries we are allowed
@@ skipping 95 matching lines @@
 
   // Input parameter; see constructor comment.
   const size_t requested_commit_batch_size_;
 
   // Output parameter; see constructor comment.
   sessions::OrderedCommitSet* commit_set_;
 
   DISALLOW_COPY_AND_ASSIGN(GetCommitIdsCommand);
 };
 
-}  // namespace csync
+}  // namespace syncer
 
 #endif  // SYNC_ENGINE_GET_COMMIT_IDS_COMMAND_H_