[Media Gallery] Added code to support mtp device media file system on Windows.

chrome/browser/media_gallery/win/mtp_device_object_entry.h

+// Copyright (c) 2012 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.
+//
+// This struct contains information about the media transfer protocol device
+// (MTP) object entry. To support media file system operations, this
+// struct object is constructed, operated and destructed on the blocking pool
+// thread.

[Peter Kasting, 2012/12/21 18:13:30]

Nit: I'd leave out the last sentence here; nothing in this struct guarantees (or
indeed cares) about what thread it's on.

[kmadhusu, 2013/01/02 19:48:31]

Done.

+
+#ifndef CHROME_BROWSER_MEDIA_GALLERY_WIN_MTP_DEVICE_OBJECT_ENTRY_H_
+#define CHROME_BROWSER_MEDIA_GALLERY_WIN_MTP_DEVICE_OBJECT_ENTRY_H_
+
+#include <vector>
+
+#include "base/string16.h"
+#include "base/time.h"
+
+namespace chrome {
+
+// See comment at top of file for the complete description.
+struct MTPDeviceObjectEntry {
+  MTPDeviceObjectEntry();  // Necessary for STL.
+  MTPDeviceObjectEntry(const string16& object_id,
+                       const string16& object_name,
+                       bool is_directory,
+                       int64 size,
+                       const base::Time& last_modified_time);
+
+  // The object identifier, e.g. "o299".
+  string16 object_id;
+
+  // Friendly name of the object, e.g. "IMG_9911.jpeg".
+  string16 name;
+
+  // True if the current object is a directory/folder/album content type.
+  bool is_directory;
+
+  // The object file size in bytes, e.g. "882992".
+  int64 size;
+
+  // Last modified time of the object.
+  base::Time last_modified_time;
+};
+
+typedef std::vector<MTPDeviceObjectEntry> MTPDeviceObjectEntries;
+
+}  // namespace chrome
+
+#endif  // CHROME_BROWSER_MEDIA_GALLERY_WIN_MTP_DEVICE_OBJECT_ENTRY_H_