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

components/invalidation/invalidation_service_android.h

Index: components/invalidation/invalidation_service_android.h
diff --git a/components/invalidation/invalidation_service_android.h b/components/invalidation/invalidation_service_android.h
index c8e0a5125d6dbdfa5d76e902e91fd2ef7190d0be..6bb79c60ed77666c25536a21ed913f271a5cad71 100644
--- a/components/invalidation/invalidation_service_android.h
+++ b/components/invalidation/invalidation_service_android.h
@@ -39,7 +39,7 @@ class InvalidationServiceAndroid
   // exposing the client ID should be available soon; see crbug.com/172391.
   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;