DevTools: [regression] can't disable remote debugging data saver infobar.

third_party/WebKit/Source/devtools/front_end/components/DataSaverInfobar.js

 // Copyright 2015 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
  */
 Components.DataSaverInfobar = class extends UI.Infobar {
   constructor() {
     super(
         UI.Infobar.Type.Warning, Common.UIString('Consider disabling Chrome Data Saver while debugging.'),
@@ skipping 14 matching lines @@
       Components.DataSaverInfobar._infobars.push(infobar);
       panel.showInfobar(infobar);
     }
   }
 
   /**
    * @override
    */
   dispose() {
     for (var infobar of Components.DataSaverInfobar._infobars)
-      infobar.dispose();
+      UI.Infobar.prototype.dispose.call(infobar);
   }
 };
 
 Components.DataSaverInfobar._infobars = [];