DevTools: stop hideOnDetach for Audits

third_party/WebKit/Source/devtools/front_end/audits2/Audits2Panel.js

 // Copyright (c) 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.
 
 /**
  * @implements {SDK.SDKModelObserver<!SDK.ServiceWorkerManager>}
  * @unrestricted
  */
 Audits2.Audits2Panel = class extends UI.PanelWithSidebar {
   constructor() {
     super('audits2');
-    this.setHideOnDetach();
     this.registerRequiredCSS('audits2/audits2Panel.css');
     this.registerRequiredCSS('audits2/lighthouse/report-styles.css');
 
     this._protocolService = new Audits2.ProtocolService();
     this._protocolService.registerStatusCallback(msg => this._updateStatus(Common.UIString(msg)));
 
     var toolbar = new UI.Toolbar('', this.panelSidebarElement());
 
     var newButton = new UI.ToolbarButton(Common.UIString('New audit\u2026'), 'largeicon-add');
     toolbar.appendToolbarItem(newButton);
@@ skipping 737 matching lines @@
           return;
 
         var element = Components.DOMPresentationUtils.linkifyNodeReference(node, undefined, detailsItem.snippet);
         origElement.title = '';
         origElement.textContent = '';
         origElement.appendChild(element);
       });
     });
   }
 };