sync: Inject sync/'s dependency on invalidations

sync/internal_api/sync_rollback_manager_base.cc

Index: sync/internal_api/sync_rollback_manager_base.cc
diff --git a/sync/internal_api/sync_rollback_manager_base.cc b/sync/internal_api/sync_rollback_manager_base.cc
index ade0422ed116ca8fac84bb25bdda7b2a3a093f0e..9ce059bd79987d9c96c85ff17479dc1566f49a05 100644
--- a/sync/internal_api/sync_rollback_manager_base.cc
+++ b/sync/internal_api/sync_rollback_manager_base.cc
@@ -131,7 +131,8 @@ void SyncRollbackManagerBase::OnInvalidatorStateChange(InvalidatorState state) {
 }
 
 void SyncRollbackManagerBase::OnIncomingInvalidation(
-      const ObjectIdInvalidationMap& invalidation_map) {
+    syncer::ModelType type,
+    scoped_ptr<InvalidationInterface> invalidation) {
   NOTREACHED();
 }
 
@@ -230,10 +231,6 @@ void SyncRollbackManagerBase::NotifyInitializationFailure() {
           false, InitialSyncEndedTypes()));
 }
 
-std::string SyncRollbackManagerBase::GetOwnerName() const {
-  return "";
-}
-
 syncer::SyncCoreProxy* SyncRollbackManagerBase::GetSyncCoreProxy() {
   return NULL;
 }