Add support for sending a USB SET_CONFIGURATION request.

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

 // Copyright 2013 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 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)
       };
       usb.interruptTransfer(devices[0], transfer, function(result) {
         // This is designed to fail.
         usb.resetDevice(devices[0], function(result) {
+          chrome.test.assertLastError(
+              'Error resetting the device. The device has been closed.');
           chrome.test.assertEq(result, false);
           usb.interruptTransfer(devices[0], transfer, function(result) {
             chrome.test.assertEq(result, undefined);
-            chrome.test.assertEq(
-                chrome.runtime.lastError && chrome.runtime.lastError.message,
-                'No such device.'
-            );
+            chrome.test.assertLastError('No such device.');
             chrome.test.succeed();
           });
         });
       });
     });
   });
 }
 
 chrome.test.runTests([resetDevice]);