[Sync] Move ModelTypeProcessor* and rename *Impl to Shared*.

sync/engine/model_type_processor.cc

Index: sync/engine/model_type_processor.cc
diff --git a/sync/engine/model_type_processor.cc b/sync/engine/model_type_processor.cc
deleted file mode 100644
index c4c24072d1bed07938ed9f32538fdfb2214e694d..0000000000000000000000000000000000000000
--- a/sync/engine/model_type_processor.cc
+++ /dev/null
@@ -1,15 +0,0 @@
-// 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 "sync/engine/model_type_processor.h"
-
-namespace syncer_v2 {
-
-ModelTypeProcessor::ModelTypeProcessor() {
-}
-
-ModelTypeProcessor::~ModelTypeProcessor() {
-}
-
-}  // namespace syncer