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

components/sync/api/sync_change_processor.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 "components/sync/api/sync_change_processor.h"
 
 namespace syncer {
 
 SyncChangeProcessor::SyncChangeProcessor() {}
 
 SyncChangeProcessor::~SyncChangeProcessor() {}
 
-syncer::SyncError SyncChangeProcessor::UpdateDataTypeContext(
+SyncError SyncChangeProcessor::UpdateDataTypeContext(
     ModelType type,
-    syncer::SyncChangeProcessor::ContextRefreshStatus refresh_status,
+    SyncChangeProcessor::ContextRefreshStatus refresh_status,
     const std::string& context) {
   // Do nothing.
-  return syncer::SyncError();
+  return SyncError();
 }
 
 void SyncChangeProcessor::AddLocalChangeObserver(
     LocalChangeObserver* observer) {
   NOTREACHED();
 }
 
 void SyncChangeProcessor::RemoveLocalChangeObserver(
     LocalChangeObserver* observer) {
   NOTREACHED();
 }
 
 }  // namespace syncer