<webview>: guest pages embedded in WebUI should appear in chrome://inspect

chrome/browser/resources/inspect/inspect.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 MIN_VERSION_TAB_CLOSE = 25;
 var MIN_VERSION_TARGET_ID = 26;
 var MIN_VERSION_NEW_TAB = 29;
 var MIN_VERSION_TAB_ACTIVATE = 30;
 
 function sendCommand(command, args) {
@@ skipping 304 matching lines @@
               sendTargetCommand.bind(null, 'close', page), page.attached);
         }
       }
     }
   }
 }
 
 function addToPagesList(data) {
   var row = addTargetToList(data, $('pages-list'), ['name', 'url']);
   addFavicon(row, data);
+  if (data.guests)
+    addGuestViews(row, data.guests);
 }
 
 function addToExtensionsList(data) {
   var row = addTargetToList(data, $('extensions-list'), ['name', 'url']);
   addFavicon(row, data);
   if (data.guests)
     addGuestViews(row, data.guests);
 }
 
 function addToAppsList(data) {
@@ skipping 466 matching lines @@
   line.classList.remove('fresh');
   var freshLine = createEmptyConfigLine();
   line.parentNode.appendChild(freshLine);
   if (opt_selectNew)
     freshLine.querySelector('.port').focus();
 }
 
 document.addEventListener('DOMContentLoaded', onload);
 
 window.addEventListener('hashchange', onHashChange);