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

components/sync/driver/sync_error_controller.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/driver/sync_error_controller.h"
 
 #include "components/sync/driver/sync_service.h"
 
-SyncErrorController::SyncErrorController(sync_driver::SyncService* service)
+namespace syncer {
+
+SyncErrorController::SyncErrorController(SyncService* service)
     : service_(service) {
   DCHECK(service_);
 }
 
 SyncErrorController::~SyncErrorController() {}
 
 bool SyncErrorController::HasError() {
   return service_->IsFirstSetupComplete() && service_->IsPassphraseRequired() &&
          service_->IsPassphraseRequiredForDecryption();
 }
 
 void SyncErrorController::AddObserver(Observer* observer) {
   observer_list_.AddObserver(observer);
 }
 
 void SyncErrorController::RemoveObserver(Observer* observer) {
   observer_list_.RemoveObserver(observer);
 }
 
 void SyncErrorController::OnStateChanged() {
   FOR_EACH_OBSERVER(Observer, observer_list_, OnErrorChanged());
 }
+
+}  // namespace syncer