DevTools: show alternate title onexpand of object in console

third_party/WebKit/Source/devtools/front_end/sources/ScopeChainSidebarPane.js

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * 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
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 104 matching lines @@
             }
 
             var subtitle = scope.description();
             if (!title || title === subtitle)
                 subtitle = undefined;
 
             var titleElement = createElementWithClass("div", "scope-chain-sidebar-pane-section-header");
             titleElement.createChild("div", "scope-chain-sidebar-pane-section-subtitle").textContent = subtitle;
             titleElement.createChild("div", "scope-chain-sidebar-pane-section-title").textContent = title;
 
-            var section = new WebInspector.ObjectPropertiesSection(WebInspector.SourceMapNamesResolver.resolveScopeInObject(scope), titleElement, this._linkifier, emptyPlaceholder, true, extraProperties);
+            var section = new WebInspector.ObjectPropertiesSection(WebInspector.SourceMapNamesResolver.resolveScopeInObject(scope), titleElement, null, this._linkifier, emptyPlaceholder, true, extraProperties);
             this._expandController.watchSection(title + (subtitle ? ":" + subtitle : ""), section);
 
             if (scope.type() === DebuggerAgent.ScopeType.Global)
                 section.objectTreeElement().collapse();
             else if (!foundLocalScope || scope.type() === DebuggerAgent.ScopeType.Local)
                 section.objectTreeElement().expand();
 
             section.element.classList.add("scope-chain-sidebar-pane-section");
             this.element.appendChild(section.element);
         }
         this._sidebarPaneUpdatedForTest();
     },
 
     _sidebarPaneUpdatedForTest: function() { },
 
     __proto__: WebInspector.SidebarPane.prototype
 }