DevTools: [regression] Folder is not being visually removed from sources section.

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

Index: third_party/WebKit/Source/devtools/front_end/sources/NavigatorView.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sources/NavigatorView.js b/third_party/WebKit/Source/devtools/front_end/sources/NavigatorView.js
index 1a0064217b4a120d9ebd6046023a9029b7a64e47..de77d77c53f20a21a28e756768aae0d5ba315cf7 100644
--- a/third_party/WebKit/Source/devtools/front_end/sources/NavigatorView.js
+++ b/third_party/WebKit/Source/devtools/front_end/sources/NavigatorView.js
@@ -445,7 +445,9 @@ WebInspector.NavigatorView.prototype = {
 
         while (node) {
             parentNode = node.parent;
-            if (!parentNode || !node.isEmpty() || !(node instanceof WebInspector.NavigatorFolderTreeNode))
+            if (!parentNode || !node.isEmpty())
+                break;
+            if (!(node instanceof WebInspector.NavigatorGroupTreeNode || node instanceof WebInspector.NavigatorFolderTreeNode))
                 break;
 
             var folderId = this._folderNodeId(project, target, frame, uiSourceCode.origin(), node._folderPath);