bluetooth: Add characteristic list to DeviceDetailsPage in internals page.

chrome/test/data/webui/bluetooth_internals_browsertest.js

 // Copyright 2016 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.
 
 /**
  * @fileoverview Tests for chrome://bluetooth-internals
  */
 
 /** @const {string} Path to source root. */
 var ROOT_PATH = '../../../../';
@@ skipping 316 matching lines @@
       });
     });
 
     setup(function() {
       adapterFieldSet = document.querySelector('#adapter fieldset');
       deviceTable = document.querySelector('#devices table');
       sidebarNode = document.querySelector('#sidebar');
       devices.splice(0, devices.length);
       adapterBroker.adapterClient_.deviceAdded(fakeDeviceInfo1());
       adapterBroker.adapterClient_.deviceAdded(fakeDeviceInfo2());
-
     });
 
     teardown(function() {
       adapterFactory.reset();
       sidebarObj.close();
       snackbar.Snackbar.dismiss(true);
+      connectedDevices.clear();
 
       adapterFactory.adapter.deviceProxyMap.forEach(function(deviceProxy) {
         deviceProxy.reset();
       });
 
       PageManager.registeredPages['adapter'].setAdapterInfo(fakeAdapterInfo());
 
       for (var pageName in PageManager.registeredPages) {
         var page = PageManager.registeredPages[pageName];
 
@@ skipping 429 matching lines @@
 
       // First link is 'Inspect'.
       deviceLinks[0].click();
       expectEquals("#" + deviceDetailsPageId, window.location.hash);
 
       var detailsPage = $(deviceDetailsPageId);
       assertTrue(!!detailsPage);
 
       return adapterFactory.adapter.deviceProxyMap.get(
           device.address).whenCalled('getServices').then(function() {
+            // At this point, the device details page should be fully loaded.
             checkDeviceDetailsFieldSet(detailsPage, device);
 
             // Second link is 'Forget'.
             deviceLinks[1].click();
             expectEquals('#devices', window.location.hash);
             detailsPage = $(deviceDetailsPageId);
             expectFalse(!!detailsPage);
           });
     });
   });
 
   // Run all registered tests.
   mocha.run();
 });