[invalidations] Added table with registered objectsIds

sync/notifier/invalidator_registrar.h

Index: sync/notifier/invalidator_registrar.h
diff --git a/sync/notifier/invalidator_registrar.h b/sync/notifier/invalidator_registrar.h
index fb6b3881c3c9016a3eb8267f7f228151ac56a356..145b7c3f0c2fc4859d9e864be6057ed598941283 100644
--- a/sync/notifier/invalidator_registrar.h
+++ b/sync/notifier/invalidator_registrar.h
@@ -71,6 +71,11 @@ class SYNC_EXPORT InvalidatorRegistrar {
   // updated state.
   InvalidatorState GetInvalidatorState() const;
 
+  // Gets a new map for the name of invalidator handlers and their
+  // objects id. This is used by the InvalidatorLogger to be able
+  // to display every registered handlers and its objectsIds.
+  std::map<std::string, ObjectIdSet> GetSanitizedHandlersIdsMap();
+
   bool IsHandlerRegisteredForTest(InvalidationHandler* handler) const;
 
   // Needed for death tests.