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

chrome/browser/system_monitor/removable_storage_notifications.h

Index: chrome/browser/system_monitor/removable_storage_notifications.h
diff --git a/chrome/browser/system_monitor/removable_storage_notifications.h b/chrome/browser/system_monitor/removable_storage_notifications.h
index 43924db968eb31b9388164e5d363cb228e4c1f00..f44c573303dfde18d39d7b08f5727e5ef6aaf70f 100644
--- a/chrome/browser/system_monitor/removable_storage_notifications.h
+++ b/chrome/browser/system_monitor/removable_storage_notifications.h
@@ -30,6 +30,17 @@ class RemovableStorageNotifications {
   // Returns the storage size of the device present at |location|. If the
   // device information is unavailable, returns zero.
   virtual uint64 GetStorageSize(const std::string& location) const = 0;
+
+#if defined(OS_WIN)
+  // Gets the MTP device storage information specified by |storage_device_id|.
+  // On success, returns true and fills in |device_location| with device
+  // interface details and |storage_object_id| with storage object temporary

[Lei Zhang, 2013/01/14 20:49:02]

Both here and in portable_device_watcher_win.h, you use the term "storage object
temporary identifier". At some level, you should define what a "storage object
temporary identifier" is, because it's not a well known term.

[kmadhusu, 2013/01/15 19:08:17]

Done.

+  // identifier.
+  virtual bool GetMTPStorageInfoFromDeviceId(
+      const std::string& storage_device_id,
+      string16* device_location,
+      string16* storage_object_id) const = 0;
+#endif
 };
 
 } // namespace chrome