Media Galleries API: Audio/Video attached pictures support.

chrome/common/media_galleries/metadata_types.h

Index: chrome/common/media_galleries/metadata_types.h
diff --git a/chrome/common/media_galleries/metadata_types.h b/chrome/common/media_galleries/metadata_types.h
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+++ b/chrome/common/media_galleries/metadata_types.h
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+// 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 CHROME_COMMON_MEDIA_GALLERIES_METADATA_TYPES_H_
+#define CHROME_COMMON_MEDIA_GALLERIES_METADATA_TYPES_H_
+
+#include <string>
+
+namespace metadata {
+
+struct AttachedImage {
+  std::string type;
+  std::string data;
+};
+
+}  // namespace metadata
+
+#endif  // CHROME_COMMON_MEDIA_GALLERIES_METADATA_TYPES_H_