Separate usb device handle from usb device. (deprecate)

chrome/test/data/extensions/api_test/usb/zero_length_transfer/test.js

Index: chrome/test/data/extensions/api_test/usb/zero_length_transfer/test.js
diff --git a/chrome/test/data/extensions/api_test/usb/zero_length_transfer/test.js b/chrome/test/data/extensions/api_test/usb/zero_length_transfer/test.js
index 01ab98916ebffdc2f8d2484eec210cbad8dd507f..36df01dbcbedf34da15b25b64955af40ad340262 100644
--- a/chrome/test/data/extensions/api_test/usb/zero_length_transfer/test.js
+++ b/chrome/test/data/extensions/api_test/usb/zero_length_transfer/test.js
@@ -7,13 +7,14 @@ var usb = chrome.usb;
 var tests = [
   function zeroLengthTransfer() {
     usb.findDevices({vendorId: 0, productId: 0}, function(devices) {
-      var device = devices[0];
-      var transfer = new Object();
-      transfer.direction = "out";
-      transfer.endpoint = 1;
-      transfer.data = new ArrayBuffer(0);
-      usb.bulkTransfer(device, transfer, function (result) {
-        chrome.test.succeed();
+      usb.openDevice(devices[0], function(device) {
+        var transfer = new Object();
+        transfer.direction = "out";
+        transfer.endpoint = 1;
+        transfer.data = new ArrayBuffer(0);
+        usb.bulkTransfer(device, transfer, function (result) {
+          chrome.test.succeed();
+        });
       });
     });
   },