[Devtools] Fix network grouping experiment

third_party/WebKit/Source/devtools/front_end/network/NetworkPanel.js

 /*
  * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2008, 2009 Anthony Ricaud <rik@webkit.org>
  * Copyright (C) 2011 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 177 matching lines @@
     if (!Runtime.experiments.isEnabled('networkGroupingRequests'))
       return;
     /** @type {!Array<!{value: string, label: string, title: string}>} */
     var options = [{value: '', label: Common.UIString('No grouping'), title: Common.UIString('No grouping')}];
     for (var name of this._networkLogView.groupLookups().keys())
       options.push({value: name, label: Common.UIString(name), title: Common.UIString(name)});
 
     var setting = Common.settings.createSetting('networkGrouping', '');
     this._panelToolbar.appendToolbarItem(new UI.ToolbarSettingComboBox(options, setting, Common.UIString('Group by')));
     setting.addChangeListener(event => this._networkLogView.setGrouping(/** @type {string} */ (event.data)));
+    this._networkLogView.setGrouping(/** @type {string} */ (setting.get()));
   }
 
   /**
    * @return {!UI.ToolbarComboBox}
    */
   _createNetworkConditionsSelect() {
     var toolbarItem = new UI.ToolbarComboBox(null);
     toolbarItem.setMaxWidth(140);
     NetworkConditions.NetworkConditionsSelector.decorateSelect(toolbarItem.selectElement());
     return toolbarItem;
@@ skipping 517 matching lines @@
    * @param {string} actionId
    * @return {boolean}
    */
   handleAction(context, actionId) {
     var panel = UI.context.flavor(Network.NetworkPanel);
     console.assert(panel && panel instanceof Network.NetworkPanel);
     panel._toggleRecording();
     return true;
   }
 };