[Sync] Move model_type* from syncable/ to base/

sync/internal_api/public/base/model_type.h

Index: sync/internal_api/public/base/model_type.h
diff --git a/sync/internal_api/public/syncable/model_type.h b/sync/internal_api/public/base/model_type.h
similarity index 97%
rename from sync/internal_api/public/syncable/model_type.h
rename to sync/internal_api/public/base/model_type.h
index a63ac65c49268a5f06917c010721dfcd2f696cf6..77c234417544fbd558a2cd3c8156597fff3c059d 100644
--- a/sync/internal_api/public/syncable/model_type.h
+++ b/sync/internal_api/public/base/model_type.h
@@ -6,8 +6,8 @@
 // Each sync object is expected to have an immutable object type.
 // An object's type is inferred from the type of data it holds.
 
-#ifndef SYNC_INTERNAL_API_PUBLIC_SYNCABLE_MODEL_TYPE_H_
-#define SYNC_INTERNAL_API_PUBLIC_SYNCABLE_MODEL_TYPE_H_
+#ifndef SYNC_INTERNAL_API_PUBLIC_BASE_MODEL_TYPE_H_
+#define SYNC_INTERNAL_API_PUBLIC_BASE_MODEL_TYPE_H_
 #pragma once
 
 #include <set>
@@ -15,7 +15,7 @@
 
 #include "base/logging.h"
 #include "base/time.h"
-#include "sync/internal_api/public/util/enum_set.h"
+#include "sync/internal_api/public/base/enum_set.h"
 
 namespace base {
 class ListValue;
@@ -224,4 +224,4 @@ using syncer::syncable::IsRealDataType;
 
 }  // namespace syncable
 
-#endif  // SYNC_INTERNAL_API_PUBLIC_SYNCABLE_MODEL_TYPE_H_
+#endif  // SYNC_INTERNAL_API_PUBLIC_BASE_MODEL_TYPE_H_