[DevTools] Remove SDKModels' fromTarget methods

third_party/WebKit/Source/devtools/front_end/resources/ResourcesSection.js

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 Resources.ResourcesSection = class {
   /**
    * @param {!Resources.ResourcesPanel} storagePanel
    * @param {!UI.TreeElement} treeElement
    */
   constructor(storagePanel, treeElement) {
     this._panel = storagePanel;
     this._treeElement = treeElement;
     /** @type {!Map<string, !Resources.FrameTreeElement>} */
     this._treeElementForFrameId = new Map();
 
     function addListener(eventType, handler, target) {
       SDK.targetManager.addModelListener(SDK.ResourceTreeModel, eventType, event => handler.call(target, event.data));
     }
     addListener(SDK.ResourceTreeModel.Events.FrameAdded, this._frameAdded, this);
     addListener(SDK.ResourceTreeModel.Events.FrameNavigated, this._frameNavigated, this);
     addListener(SDK.ResourceTreeModel.Events.FrameDetached, this._frameDetached, this);
     addListener(SDK.ResourceTreeModel.Events.ResourceAdded, this._resourceAdded, this);
 
     var mainTarget = SDK.targetManager.mainTarget();
-    var resourceTreeModel = mainTarget && mainTarget.hasDOMCapability() && SDK.ResourceTreeModel.fromTarget(mainTarget);
+    var resourceTreeModel = mainTarget && mainTarget.model(SDK.ResourceTreeModel);
     var mainFrame = resourceTreeModel && resourceTreeModel.mainFrame;
     if (mainFrame)
       this._populateFrame(mainFrame);
   }
 
   /**
    * @param {!SDK.ResourceTreeFrame} frame
    * @returns {?SDK.ResourceTreeFrame}
    */
   static _getParentFrame(frame) {
     var parentFrame = frame.parentFrame;
     if (parentFrame)
       return parentFrame;
     var parentTarget = frame.target().parentTarget();
     if (!parentTarget)
       return null;
-    console.assert(parentTarget.hasDOMCapability());
-    return SDK.ResourceTreeModel.fromTarget(parentTarget).mainFrame;
+    return parentTarget.model(SDK.ResourceTreeModel).mainFrame;
   }
 
   /**
    * @param {!SDK.ResourceTreeFrame} frame
    */
   _frameAdded(frame) {
     var parentFrame = Resources.ResourcesSection._getParentFrame(frame);
     var parentTreeElement = parentFrame ? this._treeElementForFrameId.get(parentFrame.id) : this._treeElement;
     if (!parentTreeElement) {
       console.warn(`No frame to route ${frame.url} to.`);
@@ skipping 104 matching lines @@
     this._panel.showCategoryView(this.titleAsText());
 
     this.listItemElement.classList.remove('hovered');
     SDK.DOMModel.hideDOMNodeHighlight();
     return false;
   }
 
   set hovered(hovered) {
     if (hovered) {
       this.listItemElement.classList.add('hovered');
-      var domModel = SDK.DOMModel.fromTarget(this._frame.target());
+      var domModel = this._frame.target().model(SDK.DOMModel);
       if (domModel)
         domModel.highlightFrame(this._frameId);
     } else {
       this.listItemElement.classList.remove('hovered');
       SDK.DOMModel.hideDOMNodeHighlight();
     }
   }
 
   /**
    * @param {!SDK.Resource} resource
@@ skipping 168 matching lines @@
   _sourceView() {
     if (!this._sourceFrame) {
       this._sourceFrame = new SourceFrame.ResourceSourceFrame(this._resource);
       this._sourceFrame.setHighlighterType(this._resource.canonicalMimeType());
     }
     return this._sourceFrame;
   }
 };
 
 Resources.FrameResourceTreeElement._symbol = Symbol('treeElement');