1 files changed, 29 insertions, 0 deletions
diff --git a/sync/api/metadata_batch.cc b/sync/api/metadata_batch.cc
new file mode 100644
index 0000000..072ad5e
--- /dev/null
+++ b/sync/api/metadata_batch.cc
@@ -0,0 +1,29 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "sync/api/metadata_batch.h"
+
+namespace syncer_v2 {
+
+MetadataBatch::MetadataBatch() {}
+MetadataBatch::~MetadataBatch() {}
+
+EntityMetadataMap&& MetadataBatch::TakeAllMetadata() {
+  return std::move(metadata_map_);
+}
+
+void MetadataBatch::AddMetadata(const std::string& client_tag,
+                                const sync_pb::EntityMetadata& metadata) {
+  metadata_map_.insert(std::make_pair(client_tag, metadata));
+}
+
+const DataTypeState& MetadataBatch::GetDataTypeState() const {
+  return state_;
+}
+
+void MetadataBatch::SetDataTypeState(const DataTypeState& state) {
+  state_ = state;
+}
+
+}  // namespace syncer_v2