[DevTools] Consolidate overlay-related functionality in Overlay domain

third_party/WebKit/Source/devtools/front_end/elements/ElementsBreadcrumbs.js

 // Copyright 2014 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.
 /**
  * @unrestricted
  */
 Elements.ElementsBreadcrumbs = class extends UI.HBox {
   constructor() {
     super(true);
     this.registerRequiredCSS('elements/breadcrumbs.css');
@@ skipping 38 matching lines @@
   _mouseMovedInCrumbs(event) {
     var nodeUnderMouse = event.target;
     var crumbElement = nodeUnderMouse.enclosingNodeOrSelfWithClass('crumb');
     var node = /** @type {?SDK.DOMNode} */ (crumbElement ? crumbElement[this._nodeSymbol] : null);
     if (node)
       node.highlight();
   }
 
   _mouseMovedOutOfCrumbs(event) {
     if (this._currentDOMNode)
-      SDK.DOMModel.hideDOMNodeHighlight();
+      SDK.OverlayModel.hideDOMNodeHighlight();
   }
 
 
   /**
    * @param {!Event} event
    * @this {Elements.ElementsBreadcrumbs}
    */
   _onClickCrumb(event) {
     event.preventDefault();
     var crumb = /** @type {!Element} */ (event.currentTarget);
@@ skipping 364 matching lines @@
 
     // Collapse the selected crumb as a last resort. Pass true to prevent coalescing.
     collapse(selectedCrumb, true);
   }
 };
 
 /** @enum {symbol} */
 Elements.ElementsBreadcrumbs.Events = {
   NodeSelected: Symbol('NodeSelected')
 };