[Sync] Move ChangeProcessor to model/.

components/sync/model/change_processor.h

Index: components/sync/model/change_processor.h
diff --git a/components/sync/driver/change_processor.h b/components/sync/model/change_processor.h
similarity index 94%
rename from components/sync/driver/change_processor.h
rename to components/sync/model/change_processor.h
index cd7760cd2ed837c10b68009bad32984c714d29b6..1b71a58a37d6a878b0183a39b2b1f838729cd8aa 100644
--- a/components/sync/driver/change_processor.h
+++ b/components/sync/model/change_processor.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef COMPONENTS_SYNC_DRIVER_CHANGE_PROCESSOR_H_
-#define COMPONENTS_SYNC_DRIVER_CHANGE_PROCESSOR_H_
+#ifndef COMPONENTS_SYNC_MODEL_CHANGE_PROCESSOR_H_
+#define COMPONENTS_SYNC_MODEL_CHANGE_PROCESSOR_H_
 
 #include <stdint.h>
 
@@ -69,4 +69,4 @@ class ChangeProcessor {
 
 }  // namespace syncer
 
-#endif  // COMPONENTS_SYNC_DRIVER_CHANGE_PROCESSOR_H_
+#endif  // COMPONENTS_SYNC_MODEL_CHANGE_PROCESSOR_H_