chrome.bluetooth API improvements.

chrome/test/data/extensions/api_test/bluetooth/on_connection/runtest.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 deviceName;
 var deviceAddress;
 var profileUuid;
 
 function testOnConnectionEvent() {
   chrome.test.assertEq('d1', deviceName);
   chrome.test.assertEq('11:12:13:14:15:16', deviceAddress);
   chrome.test.assertEq('1234', profileUuid);
 
   chrome.test.succeed();
 }
 
 chrome.bluetooth.onConnection.addListener(
   function(socket) {
     deviceName = socket.device.name;
     deviceAddress = socket.device.address;
-    profileUuid = socket.profile.uuid;
-    chrome.bluetooth.disconnect({'socket': socket});
+    profileUuid = socket.uuid;
+    chrome.bluetooth.disconnect({'socketId': socket.id});
   });
 
 chrome.test.sendMessage('ready',
   function(message) {
     chrome.test.runTests([testOnConnectionEvent]);
   });