[Sync] InvalidationService shouldn't CHECK when registering ObjectId for more than one handler

components/invalidation/ticl_invalidation_service.h

Index: components/invalidation/ticl_invalidation_service.h
diff --git a/components/invalidation/ticl_invalidation_service.h b/components/invalidation/ticl_invalidation_service.h
index 2d385e68cd23700860e56e9d764ec6db8fae18fe..4019c199c34bd38026c783afae44c0fa5923a23d 100644
--- a/components/invalidation/ticl_invalidation_service.h
+++ b/components/invalidation/ticl_invalidation_service.h
@@ -74,7 +74,7 @@ class TiclInvalidationService : public base::NonThreadSafe,
   // It is an error to have registered handlers when the service is destroyed.
   void RegisterInvalidationHandler(
       syncer::InvalidationHandler* handler) override;
-  void UpdateRegisteredInvalidationIds(syncer::InvalidationHandler* handler,
+  bool UpdateRegisteredInvalidationIds(syncer::InvalidationHandler* handler,
                                        const syncer::ObjectIdSet& ids) override;
   void UnregisterInvalidationHandler(
       syncer::InvalidationHandler* handler) override;