Include USB device version in chrome.usb.Device fields.

extensions/test/data/api_test/usb/device_handling/test.js

 // 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.
 
 var usb = chrome.usb;
 
 function getDevices() {
   usb.getDevices({
       vendorId: 0,
       productId: 0
   }, function(devices) {
     chrome.test.assertEq(1, devices.length);
     var device = devices[0];
+    chrome.test.assertEq(0x0100, device.version);
     chrome.test.assertEq("Test Device", device.productName);
     chrome.test.assertEq("Test Manufacturer", device.manufacturerName);
     chrome.test.assertEq("ABC123", device.serialNumber);
     usb.openDevice(device, function(handle) {
       chrome.test.assertNoLastError();
       usb.closeDevice(handle);
       chrome.test.succeed();
     });
   });
 }
@@ skipping 20 matching lines @@
       productId: 0
   }, function(devices) {
     usb.closeDevice(devices[0]);
     chrome.test.succeed();
   });
 }
 
 chrome.test.runTests([
     getDevices, getConfigurations, explicitCloseDevice
 ]);