DevTools: Use real focus in TreeOutline

third_party/WebKit/Source/devtools/front_end/components/ObjectPropertiesSection.js

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * 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
@@ skipping 19 matching lines @@
 Components.ObjectPropertiesSection = class extends UI.TreeOutlineInShadow {
   /**
    * @param {!SDK.RemoteObject} object
    * @param {?string|!Element=} title
    * @param {!Components.Linkifier=} linkifier
    * @param {?string=} emptyPlaceholder
    * @param {boolean=} ignoreHasOwnProperty
    * @param {!Array.<!SDK.RemoteObjectProperty>=} extraProperties
    */
   constructor(object, title, linkifier, emptyPlaceholder, ignoreHasOwnProperty, extraProperties) {
-    super();
+    super(true);
     this._object = object;
     this._editable = true;
     this.hideOverflow();
-    this.setFocusable(false);

[pfeldman, 2017/01/30 18:43:07]

I like it the way it was

[einbinder, 2017/02/01 22:51:35]

Done.

     this._objectTreeElement = new Components.ObjectPropertiesSection.RootElement(
         object, linkifier, emptyPlaceholder, ignoreHasOwnProperty, extraProperties);
     this.appendChild(this._objectTreeElement);
     if (typeof title === 'string' || !title) {
       this.titleElement = this.element.createChild('span');
       this.titleElement.textContent = title || '';
     } else {
       this.titleElement = title;
       this.element.appendChild(title);
     }
@@ skipping 1310 matching lines @@
     }
     var treeOutlineId = treeElement.treeOutline[Components.ObjectPropertiesSectionExpandController._treeOutlineId];
     result = treeOutlineId + (result ? ':' + result : '');
     treeElement[Components.ObjectPropertiesSectionExpandController._cachedPathSymbol] = result;
     return result;
   }
 };
 
 Components.ObjectPropertiesSectionExpandController._cachedPathSymbol = Symbol('cachedPath');
 Components.ObjectPropertiesSectionExpandController._treeOutlineId = Symbol('treeOutlineId');