Revert of [DevTools] Consolidate overlay-related functionality in Overlay domain

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) {
@@ skipping 137 matching lines @@
 
   /**
    * @override
    * @return {boolean}
    */
   onselect(selectedByUser) {
     super.onselect(selectedByUser);
     this._panel.showCategoryView(this.titleAsText());
 
     this.listItemElement.classList.remove('hovered');
-    SDK.OverlayModel.hideDOMNodeHighlight();
+    SDK.DOMModel.hideDOMNodeHighlight();
     return false;
   }
 
   set hovered(hovered) {
     if (hovered) {
       this.listItemElement.classList.add('hovered');
-      this._frame.resourceTreeModel().domModel().overlayModel().highlightFrame(this._frameId);
+      var domModel = this._frame.resourceTreeModel().domModel();
+      domModel.highlightFrame(this._frameId);
     } else {
       this.listItemElement.classList.remove('hovered');
-      SDK.OverlayModel.hideDOMNodeHighlight();
+      SDK.DOMModel.hideDOMNodeHighlight();
     }
   }
 
   /**
    * @param {!SDK.Resource} resource
    */
   appendResource(resource) {
     var resourceType = resource.resourceType();
     var categoryName = resourceType.name();
     var categoryElement = resourceType === Common.resourceTypes.Document ? this : this._categoryElements[categoryName];
@@ skipping 163 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');