[DevTools] Make Audits results tree non-collapsible.

third_party/WebKit/Source/devtools/front_end/audits/AuditsPanel.js

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 30 matching lines @@
     this._sidebarTree.registerRequiredCSS('audits/auditsSidebarTree.css');
     this.panelSidebarElement().appendChild(this._sidebarTree.element);
 
     this._auditsItemTreeElement = new Audits.AuditsSidebarTreeElement(this);
     this._sidebarTree.appendChild(this._auditsItemTreeElement);
 
     this._auditResultsTreeElement = new UI.TreeElement(Common.UIString('RESULTS'), true);
     this._auditResultsTreeElement.selectable = false;
     this._auditResultsTreeElement.listItemElement.classList.add('audits-sidebar-results');
     this._auditResultsTreeElement.expand();
+    this._auditResultsTreeElement.setCollapsible(false);
     this._sidebarTree.appendChild(this._auditResultsTreeElement);
 
     this._constructCategories();
 
     this._auditController = new Audits.AuditController(this);
     this._launcherView = new Audits.AuditLauncherView(this._auditController);
     for (var id in this.categoriesById)
       this._launcherView.addCategory(this.categoriesById[id]);
 
     var extensionCategories = Extensions.extensionServer.auditCategories();
@@ skipping 444 matching lines @@
 
 
 // Contributed audit rules should go into this namespace.
 Audits.AuditRules = {};
 
 /**
  * Contributed audit categories should go into this namespace.
  * @type {!Object.<string, function(new:Audits.AuditCategory)>}
  */
 Audits.AuditCategories = {};