[Sync] Move //components/sync to the syncer namespace.

components/sync/core_impl/model_type_connector_proxy.cc

 // Copyright 2014 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 "components/sync/core_impl/model_type_connector_proxy.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "components/sync/core/activation_context.h"
 
-namespace syncer_v2 {
+namespace syncer {
 
 ModelTypeConnectorProxy::ModelTypeConnectorProxy(
     const scoped_refptr<base::SequencedTaskRunner>& task_runner,
     const base::WeakPtr<ModelTypeConnector>& model_type_connector)
     : task_runner_(task_runner), model_type_connector_(model_type_connector) {}
 
 ModelTypeConnectorProxy::~ModelTypeConnectorProxy() {}
 
 void ModelTypeConnectorProxy::ConnectType(
-    syncer::ModelType type,
+    ModelType type,
     std::unique_ptr<ActivationContext> activation_context) {
   task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&ModelTypeConnector::ConnectType, model_type_connector_, type,
                  base::Passed(&activation_context)));
 }
 
-void ModelTypeConnectorProxy::DisconnectType(syncer::ModelType type) {
+void ModelTypeConnectorProxy::DisconnectType(ModelType type) {
   task_runner_->PostTask(FROM_HERE,
                          base::Bind(&ModelTypeConnector::DisconnectType,
                                     model_type_connector_, type));
 }
 
-}  // namespace syncer_v2
+}  // namespace syncer