DevTools: carefully cleanup script UISourceCodes

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 39 matching lines @@
 
     /** @type {!Map.<!SDK.ResourceTreeFrame, !Sources.NavigatorGroupTreeNode>} */
     this._frameNodes = new Map();
 
     this.element.addEventListener('contextmenu', this.handleContextMenu.bind(this), false);
 
     this._navigatorGroupByFolderSetting = Common.moduleSetting('navigatorGroupByFolder');
     this._navigatorGroupByFolderSetting.addChangeListener(this._groupingChanged.bind(this));
 
     this._initGrouping();
-    SDK.targetManager.addModelListener(
-        SDK.ResourceTreeModel, SDK.ResourceTreeModel.Events.FrameNavigated, this._frameNavigated, this);
-    SDK.targetManager.addModelListener(
-        SDK.ResourceTreeModel, SDK.ResourceTreeModel.Events.FrameDetached, this._frameDetached, this);
 
     if (Runtime.experiments.isEnabled('persistence2')) {
       Persistence.persistence.addEventListener(
           Persistence.Persistence.Events.BindingCreated, this._onBindingChanged, this);
       Persistence.persistence.addEventListener(
           Persistence.Persistence.Events.BindingRemoved, this._onBindingChanged, this);
     } else {
       Persistence.persistence.addEventListener(
           Persistence.Persistence.Events.BindingCreated, this._onBindingCreated, this);
       Persistence.persistence.addEventListener(
@@ skipping 677 matching lines @@
     this._groupByDomain = this._navigatorGroupByFolderSetting.get();
     this._groupByFolder = this._groupByDomain;
   }
 
   _resetForTest() {
     this.reset();
     this._workspace.uiSourceCodes().forEach(this._addUISourceCode.bind(this));
   }
 
   /**
-   * @param {!Common.Event} event
-   */
-  _frameNavigated(event) {
-    var frame = /** @type {!SDK.ResourceTreeFrame} */ (event.data);
-    var node = this._frameNodes.get(frame);
-    if (!node)
-      return;
-
-    node.treeNode().title = frame.displayName();
-    for (var child of frame.childFrames)
-      this._discardFrame(child);
-  }
-
-  /**
-   * @param {!Common.Event} event
-   */
-  _frameDetached(event) {
-    var frame = /** @type {!SDK.ResourceTreeFrame} */ (event.data);
-    this._discardFrame(frame);
-  }
-
-  /**
    * @param {!SDK.ResourceTreeFrame} frame
    */
   _discardFrame(frame) {
     var node = this._frameNodes.get(frame);
     if (!node)
       return;
 
     if (node.parent)
       node.parent.removeChild(node);
     this._frameNodes.delete(frame);
@@ skipping 819 matching lines @@
   /**
    * @param {string} title
    * @override
    */
   setTitle(title) {
     this._title = title;
     if (this._treeElement)
       this._treeElement.title = this._title;
   }
 };