DevTools: do not allow using 'this' before call into super.

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

 // Copyright 2016 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.
 
 /**
  * @constructor
  * @extends {WebInspector.AccessibilitySubPane}
  */
 WebInspector.ARIAAttributesPane = function()
 {
@@ skipping 196 matching lines @@
 };
 
 /**
  * @constructor
  * @extends {WebInspector.TextPrompt}
  * @param {!Array<string>} ariaCompletions
  * @param {!WebInspector.ARIAAttributesTreeElement} treeElement
  */
 WebInspector.ARIAAttributesPane.ARIAAttributePrompt = function(ariaCompletions, treeElement)
 {
-    WebInspector.TextPrompt.call(this, this._buildPropertyCompletions.bind(this));
+    WebInspector.TextPrompt.call(this);
+    this.initialize(this._buildPropertyCompletions.bind(this));
 
     this.setSuggestBoxEnabled(true);
 
     this._ariaCompletions = ariaCompletions;
     this._treeElement = treeElement;
 };
 
 WebInspector.ARIAAttributesPane.ARIAAttributePrompt.prototype = {
     /**
      * @param {!Element} proxyElement
@@ skipping 49 matching lines @@
     "aria-readonly",
     "aria-relevant",
     "aria-required",
     "aria-setsize",
     "aria-sort",
     "aria-valuemax",
     "aria-valuemin",
     "aria-valuenow",
     "aria-valuetext",
 ];