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

chrome/browser/sync/user_selectable_sync_type.h

Index: chrome/browser/sync/user_selectable_sync_type.h
diff --git a/chrome/browser/sync/user_selectable_sync_type.h b/chrome/browser/sync/user_selectable_sync_type.h
index 0dae124c7a0166cbdca6eccb95a7798cdc3516a7..c1a4ddf9c5f429259b69b83dfbf952ae539553c1 100644
--- a/chrome/browser/sync/user_selectable_sync_type.h
+++ b/chrome/browser/sync/user_selectable_sync_type.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -13,7 +13,7 @@ namespace user_selectable_type {
 // via checkboxes in the "Advanced Sync Preferences" dialog. Used solely for the
 // purposes of UMA histogram logging of the datatypes explicitly selected by
 // users when sync is configured on a machine. This is a subset of the sync
-// types listed in sync/internal_api/public/syncable/model_type.h.
+// types listed in sync/internal_api/public/base/model_type.h.
 //
 // Note: New sync datatypes must be added to the end of this list. Adding them
 // anywhere else will result in incorrect histogram logging.