[Sync] Convert syncable/ directory to ModelEnumSet

chrome/browser/sync/tools/sync_listen_notifications.cc

Index: chrome/browser/sync/tools/sync_listen_notifications.cc
diff --git a/chrome/browser/sync/tools/sync_listen_notifications.cc b/chrome/browser/sync/tools/sync_listen_notifications.cc
index 7e639f068410145604502a39dbee880311769b39..720914ce7e4861de8728de9ad3a6f156d51de56b 100644
--- a/chrome/browser/sync/tools/sync_listen_notifications.cc
+++ b/chrome/browser/sync/tools/sync_listen_notifications.cc
@@ -136,15 +136,8 @@ int main(int argc, char* argv[]) {
   sync_notifier->SetUniqueId(kUniqueId);
   sync_notifier->SetState("");
   sync_notifier->UpdateCredentials(email, token);
-  {
-    // Listen for notifications for all known types.
-    syncable::ModelTypeSet types;
-    for (int i = syncable::FIRST_REAL_MODEL_TYPE;
-         i < syncable::MODEL_TYPE_COUNT; ++i) {
-      types.insert(syncable::ModelTypeFromInt(i));
-    }
-    sync_notifier->UpdateEnabledTypes(types);
-  }
+  // Listen for notifications for all known types.
+  sync_notifier->UpdateEnabledTypes(syncable::ModelEnumSet::All());
 
   ui_loop.Run();