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 28afb8b54d06009f2d2848188ea3f11e468f85aa..b7d1fef8a8f5db7400ff40647fa4e3d556bd3960 100644
--- a/sync/internal_api/sync_rollback_manager_base.cc
+++ b/sync/internal_api/sync_rollback_manager_base.cc
@@ -133,7 +133,8 @@ void SyncRollbackManagerBase::OnInvalidatorStateChange(InvalidatorState state) {
 }
 
 void SyncRollbackManagerBase::OnIncomingInvalidation(
-      const ObjectIdInvalidationMap& invalidation_map) {
+    syncer::ModelType type,
+    scoped_ptr<InvalidationInterface> invalidation) {
   NOTREACHED();
 }
 
@@ -233,10 +234,6 @@ void SyncRollbackManagerBase::NotifyInitializationFailure() {
           false, ModelTypeSet()));
 }
 
-std::string SyncRollbackManagerBase::GetOwnerName() const {
-  return "";
-}
-
 syncer::SyncContextProxy* SyncRollbackManagerBase::GetSyncContextProxy() {
   return NULL;
 }