DevTools: refactor Common.Renderer for DOM nodes

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

 /*
  * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * 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
@@ skipping 1573 matching lines @@
    * @return {!Promise.<!Element>}
    */
   render(object) {
     return new Promise(renderPromise);
 
     /**
      * @param {function(!Element)} resolve
      * @param {function(!Error)} reject
      */
     function renderPromise(resolve, reject) {
-      if (object instanceof SDK.DOMNode) {
+      if (object instanceof SDK.DOMNode)
         onNodeResolved(/** @type {!SDK.DOMNode} */ (object));
-      } else if (object instanceof SDK.DeferredDOMNode) {
+      else if (object instanceof SDK.DeferredDOMNode)
         (/** @type {!SDK.DeferredDOMNode} */ (object)).resolve(onNodeResolved);
-      } else if (object instanceof SDK.RemoteObject) {
-        var domModel = SDK.DOMModel.fromTarget((/** @type {!SDK.RemoteObject} */ (object)).target());
-        if (domModel)
-          domModel.pushObjectAsNodeToFrontend(object, onNodeResolved);
-        else
-          reject(new Error('No dom model for given JS object target found.'));
-      } else {
+      else
         reject(new Error('Can\'t reveal not a node.'));
-      }
+
 
       /**
        * @param {?SDK.DOMNode} node
        */
       function onNodeResolved(node) {
         if (!node) {
           reject(new Error('Could not resolve node.'));
           return;
         }
         var treeOutline = new Elements.ElementsTreeOutline(node.domModel(), false, false);
@@ skipping 72 matching lines @@
      */
     function resolved(node) {
       if (node) {
         this.treeOutline._selectedDOMNode = node;
         this.treeOutline._selectedNodeChanged();
       }
     }
     return true;
   }
 };