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

third_party/WebKit/Source/devtools/front_end/profiler/ProfilesPanel.js

 /*
  * Copyright (C) 2008 Apple 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
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 430 matching lines @@
     this.registerRequiredCSS("components/objectValue.css");
 
     var mainContainer = new WebInspector.VBox();
     this.splitWidget().setMainWidget(mainContainer);
 
     this.profilesItemTreeElement = new WebInspector.ProfilesSidebarTreeElement(this);
 
     this._sidebarTree = new TreeOutlineInShadow();
     this._sidebarTree.registerRequiredCSS("profiler/profilesSidebarTree.css");
     this.panelSidebarElement().appendChild(this._sidebarTree.element);
-    this.setDefaultFocusedElement(this._sidebarTree.element);
 
     this._sidebarTree.appendChild(this.profilesItemTreeElement);
 
     this.profileViews = createElement("div");
     this.profileViews.id = "profile-views";
     this.profileViews.classList.add("vbox");
     mainContainer.element.appendChild(this.profileViews);
 
     this._toolbarElement = createElementWithClass("div", "profiles-toolbar");
     mainContainer.element.insertBefore(this._toolbarElement, mainContainer.element.firstChild);
@@ skipping 446 matching lines @@
         }
 
         contextMenu.appendItem(WebInspector.UIString.capitalize("Reveal in Summary ^view"), revealInView.bind(this, "Summary"));
     },
 
     wasShown: function()
     {
         WebInspector.context.setFlavor(WebInspector.ProfilesPanel, this);
     },
 
+    /**
+     * @override
+     */
+    focus: function()
+    {
+        this._sidebarTree.focus();
+    },
+
     willHide: function()
     {
         WebInspector.context.setFlavor(WebInspector.ProfilesPanel, null);
     },
 
     __proto__: WebInspector.PanelWithSidebar.prototype
 }
 
 
 /**
@@ skipping 417 matching lines @@
      * @return {boolean}
      */
     handleAction: function(context, actionId)
     {
         var panel = WebInspector.context.flavor(WebInspector.ProfilesPanel);
         console.assert(panel && panel instanceof WebInspector.ProfilesPanel);
         panel.toggleRecord();
         return true;
     }
 }