Add a "key" entry to InstallWarnings, remove InstallWarning::Format

chrome/browser/resources/apps_debugger/js/items_list.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.
 
 cr.define('apps_dev_tool', function() {
   'use strict';
 
   // The list of all packed/unpacked apps and extensions.
   var completeList = [];
 
@@ skipping 269 matching lines @@
       if (!item.may_disable)
         node.querySelector('.managed-message').hidden = false;
 
       // The install warnings.
       if (item.install_warnings.length > 0) {
         var panel = node.querySelector('.install-warnings');
         panel.hidden = false;
         var list = panel.querySelector('ul');
         item.install_warnings.forEach(function(warning) {
           var li = document.createElement('li');
-          li[warning.isHTML ? 'innerHTML' : 'textContent'] = warning.message;
+          li.textContent = warning.message;
           list.appendChild(li);
         });
       }
 
       this.setActiveViews_(item, node);
 
       return node;
     },
 
     /**
@@ skipping 298 matching lines @@
       // node.
       container.scrollTop = node.offsetTop + node.offsetHeight -
           container.offsetHeight + 20;
     }
   };
 
   return {
     ItemsList: ItemsList,
   };
 });