1 files changed, 41 insertions, 0 deletions
diff --git a/sync/api/attachments/attachment_metadata.h b/sync/api/attachments/attachment_metadata.h
new file mode 100644
index 0000000..10761f8
--- /dev/null
+++ b/sync/api/attachments/attachment_metadata.h
@@ -0,0 +1,41 @@
+// Copyright 2014 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.
+
+#ifndef SYNC_API_ATTACHMENTS_ATTACHMENT_METADATA_H_
+#define SYNC_API_ATTACHMENTS_ATTACHMENT_METADATA_H_
+
+#include <vector>
+
+#include "base/basictypes.h"
+#include "sync/api/attachments/attachment_id.h"
+#include "sync/base/sync_export.h"
+
+namespace syncer {
+
+// This class represents immutable Attachment metadata.
+//
+// It is OK to copy and return AttachmentMetadata by value.
+class SYNC_EXPORT AttachmentMetadata {
+ public:
+  AttachmentMetadata(const AttachmentId& id, size_t size);
+  ~AttachmentMetadata();
+
+  // Default copy and assignment are welcome.
+
+  // Returns this attachment's id.
+  const AttachmentId& GetId() const;
+
+  // Returns this attachment's size in bytes.
+  size_t GetSize() const;
+
+ private:
+  AttachmentId id_;
+  size_t size_;
+};
+
+typedef std::vector<syncer::AttachmentMetadata> AttachmentMetadataList;
+
+}  // namespace syncer
+
+#endif  // SYNC_API_ATTACHMENTS_ATTACHMENT_METADATA_H_