Introducing chrome.usb.getDevices/openDevice API

chrome/test/data/extensions/api_test/usb/reset_device/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;
 
 var tests = [
-  function explicitCloseDevice() {
-    usb.findDevices({vendorId: 0, productId: 0}, function(devices) {
-      usb.closeDevice(devices[0]);
-      chrome.test.succeed();
-    });
-  },
   function resetDevice() {
     usb.findDevices({vendorId: 0, productId: 0}, function(devices) {
       usb.resetDevice(devices[0], function(result) {
         chrome.test.assertEq(result, true);
         // Ensure the device is still open.
         var transfer = {
           direction: "out",
           endpoint: 2,
           data: new ArrayBuffer(1)
         };
@@ skipping 10 matching lines @@
               chrome.test.succeed();
             });
           });
         });
       });
     });
   },
 ];
 
 chrome.test.runTests(tests);