Update device/usb and its Mojo interface for variable size ISO packets.

device/devices_app/usb/type_converters.cc

 // Copyright 2015 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.
 
 #include "device/devices_app/usb/type_converters.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
@@ skipping 249 matching lines @@
   info->serial_number = base::UTF16ToUTF8(device.serial_number());
   info->configurations = mojo::Array<device::usb::ConfigurationInfoPtr>::From(
       device.configurations());
   if (device.webusb_allowed_origins()) {
     info->webusb_allowed_origins = device::usb::WebUsbDescriptorSet::From(
         *device.webusb_allowed_origins());
   }
   return info;
 }
 
+// static
+device::usb::IsochronousPacketPtr
+TypeConverter<device::usb::IsochronousPacketPtr,
+              device::UsbDeviceHandle::IsochronousPacket>::
+    Convert(const device::UsbDeviceHandle::IsochronousPacket& packet) {
+  device::usb::IsochronousPacketPtr info =
+      device::usb::IsochronousPacket::New();
+  info->length = packet.length;
+  info->transferred_length = packet.transferred_length;
+  info->status = mojo::ConvertTo<device::usb::TransferStatus>(packet.status);
+  return info;
+}
+
 }  // namespace mojo