[not for review] sync: Don't use group_restriction from ApplyUpdatesCommand.

sync/syncable/syncable.cc

Index: sync/syncable/syncable.cc
diff --git a/sync/syncable/syncable.cc b/sync/syncable/syncable.cc
index 7bf1a58629caa4a85bf5400d34d3493bfc6cd5e5..418042dd99e5ebfcda9b61aa188c090b6c35826c 100644
--- a/sync/syncable/syncable.cc
+++ b/sync/syncable/syncable.cc
@@ -1158,19 +1158,6 @@ int64 Directory::unsynced_entity_count() const {
   return kernel_->unsynced_metahandles->size();
 }
 
-FullModelTypeSet Directory::GetServerTypesWithUnappliedUpdates(
-    BaseTransaction* trans) const {
-  syncable::FullModelTypeSet server_types;
-  ScopedKernelLock lock(this);
-  for (int i = UNSPECIFIED; i < MODEL_TYPE_COUNT; ++i) {
-    const ModelType type = ModelTypeFromInt(i);
-    if (!kernel_->unapplied_update_metahandles[type].empty()) {
-      server_types.Put(type);
-    }
-  }
-  return server_types;
-}
-
 void Directory::GetUnappliedUpdateMetaHandles(
     BaseTransaction* trans,
     FullModelTypeSet server_types,
@@ -1180,6 +1167,8 @@ void Directory::GetUnappliedUpdateMetaHandles(
   for (int i = UNSPECIFIED; i < MODEL_TYPE_COUNT; ++i) {
     const ModelType type = ModelTypeFromInt(i);
     if (server_types.Has(type)) {
+      if (kernel_->unapplied_update_metahandles[type].empty())
+        continue;
       std::copy(kernel_->unapplied_update_metahandles[type].begin(),
                 kernel_->unapplied_update_metahandles[type].end(),
                 back_inserter(*result));