[DevTools] Remove SDK.SDKObject

third_party/WebKit/Source/devtools/front_end/accessibility/AccessibilityModel.js

 // Copyright (c) 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
  */
-Accessibility.AccessibilityNode = class extends SDK.SDKObject {
+Accessibility.AccessibilityNode = class {
   /**
    * @param {!Accessibility.AccessibilityModel} accessibilityModel
    * @param {!Protocol.Accessibility.AXNode} payload
    */
   constructor(accessibilityModel, payload) {
-    super(accessibilityModel.target());
     this._accessibilityModel = accessibilityModel;
     this._agent = accessibilityModel._agent;
 
     this._id = payload.nodeId;
     accessibilityModel._setAXNodeForAXId(this._id, this);
     if (payload.backendDOMNodeId) {
       accessibilityModel._setAXNodeForBackendDOMNodeId(payload.backendDOMNodeId, this);
       this._backendDOMNodeId = payload.backendDOMNodeId;
-      this._deferredDOMNode = new SDK.DeferredDOMNode(this.target(), payload.backendDOMNodeId);
+      this._deferredDOMNode = new SDK.DeferredDOMNode(accessibilityModel.target(), payload.backendDOMNodeId);
     } else {
       this._backendDOMNodeId = null;
       this._deferredDOMNode = null;
     }
     this._ignored = payload.ignored;
     if (this._ignored && 'ignoredReasons' in payload)
       this._ignoredReasons = payload.ignoredReasons;
 
     this._role = payload.role || null;
     this._name = payload.name || null;
     this._description = payload.description || null;
     this._value = payload.value || null;
     this._properties = payload.properties || null;
     this._childIds = payload.childIds || null;
     this._parentNode = null;
   }
 
   /**
+   * @return {!Accessibility.AccessibilityModel}
+   */
+  accessibilityModel() {
+    return this._accessibilityModel;
+  }
+
+  /**
    * @return {boolean}
    */
   ignored() {
     return this._ignored;
   }
 
   /**
    * @return {?Array<!Protocol.Accessibility.AXProperty>}
    */
   ignoredReasons() {
@@ skipping 253 matching lines @@
    */
   logTree(inspectedNode) {
     var rootNode = inspectedNode;
     while (rootNode.parentNode())
       rootNode = rootNode.parentNode();
     console.log(rootNode.printSelfAndChildren(inspectedNode));  // eslint-disable-line no-console
   }
 };
 
 SDK.SDKModel.register(Accessibility.AccessibilityModel, SDK.Target.Capability.DOM, false);