[DevTools] Migrate usages of Target to RuntimeModel where makes sense

third_party/WebKit/Source/devtools/front_end/object_ui/CustomPreviewComponent.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
  */
 ObjectUI.CustomPreviewSection = class {
   /**
    * @param {!SDK.RemoteObject} object
    */
@@ skipping 72 matching lines @@
     return element;
   }
 
   /**
    * @param {!Array.<*>} objectTag
    * @return {!Node}
    */
   _layoutObjectTag(objectTag) {
     objectTag.shift();
     var attributes = objectTag.shift();
-    var remoteObject = this._object.target().runtimeModel.createRemoteObject(
+    var remoteObject = this._object.runtimeModel().createRemoteObject(
         /** @type {!Protocol.Runtime.RemoteObject} */ (attributes));
     if (remoteObject.customPreview())
       return (new ObjectUI.CustomPreviewSection(remoteObject)).element();
 
     var sectionElement = ObjectUI.ObjectPropertiesSection.defaultObjectPresentation(remoteObject);
     sectionElement.classList.toggle('custom-expandable-section-standard-section', remoteObject.hasChildren);
     return sectionElement;
   }
 
   /**
@@ skipping 128 matching lines @@
   }
 
   _disassemble() {
     this.element.shadowRoot.textContent = '';
     this._customPreviewSection = null;
     this.element.shadowRoot.appendChild(ObjectUI.ObjectPropertiesSection.defaultObjectPresentation(this._object));
   }
 };
 
 ObjectUI.CustomPreviewSection._tagsWhiteList = new Set(['span', 'div', 'ol', 'li', 'table', 'tr', 'td']);