Fix sync for reading list

components/sync/driver/user_selectable_sync_type.h

Index: components/sync/driver/user_selectable_sync_type.h
diff --git a/components/sync/driver/user_selectable_sync_type.h b/components/sync/driver/user_selectable_sync_type.h
index 49641c941044b32786d4a950f8ba400e2327eb30..04ce5a062ffc84bb1388bdf12fc37e2a114cce53 100644
--- a/components/sync/driver/user_selectable_sync_type.h
+++ b/components/sync/driver/user_selectable_sync_type.h
@@ -31,6 +31,7 @@ enum UserSelectableSyncType {
   EXTENSIONS = 6,
   PROXY_TABS = 7,
   APPS = 8,
+  READING_LIST = 11,
   // TODO(petewil): There was talk of removing this from user selectable sync
   // types.  Should we?
   SYNCED_NOTIFICATIONS = 9,
@@ -59,10 +60,9 @@ enum UserSelectableSyncType {
   // SYNCED_NOTIFICATION_APP_INFO,
   // ARC_PACKAGE,
   // PRINTERS
-  // READING_LIST
 
   // Number of sync datatypes exposed to the user via checboxes in the UI.
-  SELECTABLE_DATATYPE_COUNT = 11,
+  SELECTABLE_DATATYPE_COUNT = 12,
 };
 
 }  // namespace user_selectable_type