[WebMIDI] [Android] Set appropriate port properties.

media/midi/usb_midi_device.h

 // 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 MEDIA_MIDI_USB_MIDI_DEVICE_H_
 #define MEDIA_MIDI_USB_MIDI_DEVICE_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 48 matching lines @@
     // Otherwise |callback| will be called with |false| and empty devices.
     // When this factory is destroyed during the operation, the operation
     // will be canceled silently (i.e. |callback| will not be called).
     // This function can be called at most once per instance.
     virtual void EnumerateDevices(UsbMidiDeviceDelegate* delegate,
                                   Callback callback) = 0;
   };
 
   virtual ~UsbMidiDevice() {}
 
-  // Returns the descriptor of this device.
-  virtual std::vector<uint8> GetDescriptor() = 0;
+  // Returns the descriptors of this device.
+  virtual std::vector<uint8> GetDescriptors() = 0;
+
+  // Return the name of the manufacturer.
+  virtual std::string GetManufacturer() = 0;
+
+  // Retur the name of the device.
+  virtual std::string GetProductName() = 0;
+
+  // Return the device version.
+  virtual std::string GetDeviceVersion() = 0;
 
   // Sends |data| to the given USB endpoint of this device.
   virtual void Send(int endpoint_number, const std::vector<uint8>& data) = 0;
 };
 
 }  // namespace media
 
 #endif  // MEDIA_MIDI_USB_MIDI_DEVICE_H_