Reland of DevTools: properly restore selected DOMNode in Elements panel.

third_party/WebKit/Source/devtools/front_end/elements/ElementsTreeOutline.js

Index: third_party/WebKit/Source/devtools/front_end/elements/ElementsTreeOutline.js
diff --git a/third_party/WebKit/Source/devtools/front_end/elements/ElementsTreeOutline.js b/third_party/WebKit/Source/devtools/front_end/elements/ElementsTreeOutline.js
index e79c8021c8b819ae7a530f2f3df8aedcdbe00323..999cebafcec57411648b6f6bb435635a1af0a0cf 100644
--- a/third_party/WebKit/Source/devtools/front_end/elements/ElementsTreeOutline.js
+++ b/third_party/WebKit/Source/devtools/front_end/elements/ElementsTreeOutline.js
@@ -423,7 +423,7 @@ WebInspector.ElementsTreeOutline.prototype = {
         // avoid calling _selectedNodeChanged() twice, first check if _selectedDOMNode is the same
         // node as the one passed in.
         if (this._selectedDOMNode === node)
-            this._selectedNodeChanged();
+            this._selectedNodeChanged(!!focus);
     },
 
     /**
@@ -463,9 +463,12 @@ WebInspector.ElementsTreeOutline.prototype = {
             this._revealAndSelectNode(selectedNode, true);
     },
 
-    _selectedNodeChanged: function()
+    /**
+     * @param {boolean} focus
+     */
+    _selectedNodeChanged: function(focus)
     {
-        this.dispatchEventToListeners(WebInspector.ElementsTreeOutline.Events.SelectedNodeChanged, this._selectedDOMNode);
+        this.dispatchEventToListeners(WebInspector.ElementsTreeOutline.Events.SelectedNodeChanged, {node: this._selectedDOMNode, focus: focus});
     },
 
     /**