DevTools: WI.NavigatorView._removeUISourceCode should not remove frame nodes

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

 /*
  * Copyright (C) 2012 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.
  *
@@ skipping 468 matching lines @@
         this._uiSourceCodeNodes.delete(uiSourceCode);
         parentNode.removeChild(node);
         node = parentNode;
 
         while (node) {
             parentNode = node.parent;
             if (!parentNode || !node.isEmpty())
                 break;
             if (!(node instanceof WebInspector.NavigatorGroupTreeNode || node instanceof WebInspector.NavigatorFolderTreeNode))
                 break;
+            if (node._type === WebInspector.NavigatorView.Types.Frame)
+                break;
 
             var folderId = this._folderNodeId(project, target, frame, uiSourceCode.origin(), node._folderPath);
             this._subfolderNodes.delete(folderId);
             parentNode.removeChild(node);
             node = parentNode;
         }
     },
 
     reset: function()
     {
@@ skipping 399 matching lines @@
  */
 WebInspector.NavigatorSourceTreeElement = function(navigatorView, uiSourceCode, title)
 {
     TreeElement.call(this, "", false);
     this._nodeType = WebInspector.NavigatorView.Types.File;
     this.title = title;
     this.listItemElement.classList.add("navigator-" + uiSourceCode.contentType().name() + "-tree-item", "navigator-file-tree-item");
     this.tooltip = uiSourceCode.url();
     this.createIcon();
 
-
     this._navigatorView = navigatorView;
     this._uiSourceCode = uiSourceCode;
 }
 
 WebInspector.NavigatorSourceTreeElement.prototype = {
     /**
      * @return {!WebInspector.UISourceCode}
      */
     get uiSourceCode()
     {
@@ skipping 646 matching lines @@
     {
         if (this._treeElement)
             return this._treeElement;
         this._treeElement = new WebInspector.NavigatorFolderTreeElement(this._navigatorView, this._type, this._title, this._hoverCallback);
         this._treeElement.setNode(this);
         return this._treeElement;
     },
 
     __proto__: WebInspector.NavigatorTreeNode.prototype
 }