[Sync] Rename csync namespace to syncer

sync/engine/traffic_recorder_unittest.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/traffic_recorder.h"
 
 #include "sync/protocol/sync.pb.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace csync {
+namespace syncer {
 
 const unsigned int kMaxMessages = 10;
 const unsigned int kMaxMessageSize = 5 * 1024;
 
 // Ensure the number of records don't exceed |kMaxMessages|.
 TEST(TrafficRecorderTest, MaxRecordsTest) {
   TrafficRecorder recorder(kMaxMessages, kMaxMessageSize);
   sync_pb::ClientToServerResponse response;
 
   for (unsigned int i = 0; i < 2*kMaxMessages; ++i)
@@ skipping 11 matching lines @@
   error->set_error_description(error_description);
 
   TrafficRecorder recorder(kMaxMessages, kMaxMessageSize);
   recorder.RecordClientToServerResponse(response);
 
   TrafficRecorder::TrafficRecord record = recorder.records().front();
   EXPECT_TRUE(record.truncated);
   EXPECT_TRUE(record.message.empty());
 }
 
-}  //namespace csync
-
+}  // namespace syncer