[DevTools] Focus sidebar trees in certain panels by default.

third_party/WebKit/Source/devtools/front_end/resources/ResourcesPanel.js

 /*
  * Copyright (C) 2007, 2008, 2010 Apple Inc.  All rights reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  * Copyright (C) 2013 Samsung Electronics. 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 27 matching lines @@
     WebInspector.PanelWithSidebar.call(this, "resources");
     this.registerRequiredCSS("resources/resourcesPanel.css");
 
     this._resourcesLastSelectedItemSetting = WebInspector.settings.createSetting("resourcesLastSelectedItem", {});
 
     this._sidebarTree = new TreeOutlineInShadow();
     this._sidebarTree.element.classList.add("resources-sidebar");
     this._sidebarTree.registerRequiredCSS("resources/resourcesSidebar.css");
     this._sidebarTree.element.classList.add("filter-all");
     this.panelSidebarElement().appendChild(this._sidebarTree.element);
-    this.setDefaultFocusedElement(this._sidebarTree.element);
 
     this._applicationTreeElement = this._addSidebarSection(WebInspector.UIString("Application"));
     this._manifestTreeElement = new WebInspector.AppManifestTreeElement(this);
     this._applicationTreeElement.appendChild(this._manifestTreeElement);
     this.serviceWorkersTreeElement = new WebInspector.ServiceWorkersTreeElement(this);
     this._applicationTreeElement.appendChild(this.serviceWorkersTreeElement);
     var clearStorageTreeElement = new WebInspector.ClearStorageTreeElement(this);
     this._applicationTreeElement.appendChild(clearStorageTreeElement);
 
     var storageTreeElement = this._addSidebarSection(WebInspector.UIString("Storage"));
@@ skipping 96 matching lines @@
         if (resourceTreeModel) {
             resourceTreeModel.removeEventListener(WebInspector.ResourceTreeModel.Events.CachedResourcesLoaded, this._initialize, this);
             resourceTreeModel.removeEventListener(WebInspector.ResourceTreeModel.Events.WillLoadCachedResources, this._resetWithFrames, this);
         }
         this._databaseModel.removeEventListener(WebInspector.DatabaseModel.Events.DatabaseAdded, this._databaseAdded, this);
         this._databaseModel.removeEventListener(WebInspector.DatabaseModel.Events.DatabasesRemoved, this._resetWebSQL, this);
 
         this._resetWithFrames();
     },
 
+    /**
+     * @override
+     */
+    focus: function()
+    {
+        this._sidebarTree.focus();
+    },
+
     _initialize: function()
     {
         this._databaseModel.enable();
 
         var indexedDBModel = WebInspector.IndexedDBModel.fromTarget(this._target);
         if (indexedDBModel)
             indexedDBModel.enable();
 
         var cacheStorageModel = WebInspector.ServiceWorkerCacheModel.fromTarget(this._target);
         if (cacheStorageModel)
@@ skipping 2032 matching lines @@
     WebInspector.inspectorView.setCurrentPanel(WebInspector.ResourcesPanel._instance());
 }
 
 /**
  * @return {!WebInspector.ResourcesPanel}
  */
 WebInspector.ResourcesPanel._instance = function()
 {
     return /** @type {!WebInspector.ResourcesPanel} */ (self.runtime.sharedInstance(WebInspector.ResourcesPanel));
 }