[Sync] rename USS processor / worker interfaces

sync/engine/model_type_processor.cc

Index: sync/engine/model_type_processor.cc
diff --git a/sync/engine/model_type_sync_worker.cc b/sync/engine/model_type_processor.cc
similarity index 61%
rename from sync/engine/model_type_sync_worker.cc
rename to sync/engine/model_type_processor.cc
index 15b3687a5a553bfdb3e21fb11e885d3894caa85d..c4c24072d1bed07938ed9f32538fdfb2214e694d 100644
--- a/sync/engine/model_type_sync_worker.cc
+++ b/sync/engine/model_type_processor.cc
@@ -2,14 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "sync/engine/model_type_sync_worker.h"
+#include "sync/engine/model_type_processor.h"
 
 namespace syncer_v2 {
 
-ModelTypeSyncWorker::ModelTypeSyncWorker() {
+ModelTypeProcessor::ModelTypeProcessor() {
 }
 
-ModelTypeSyncWorker::~ModelTypeSyncWorker() {
+ModelTypeProcessor::~ModelTypeProcessor() {
 }
 
 }  // namespace syncer