[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..0b584d82e0405fa260c38f7d9759f974a8429e66 100644
--- a/chrome/browser/system_monitor/removable_storage_notifications.h
+++ b/chrome/browser/system_monitor/removable_storage_notifications.h
@@ -30,6 +30,18 @@ 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 the string ID that
+  // uniquely identifies the object on the device. This ID need not be
+  // persistent across sessions.
+  virtual bool GetMTPStorageInfoFromDeviceId(
+      const std::string& storage_device_id,
+      string16* device_location,
+      string16* storage_object_id) const = 0;
+#endif
 };
 
 } // namespace chrome