Extract the element implementation logic to function mods in <webview>.

extensions/renderer/resources/guest_view/surface_view/surface_view.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.
 
 // This module implements the SurfaceView prototype.
 
 var GuestView = require('guestView').GuestView;
 var GuestViewContainer = require('guestViewContainer').GuestViewContainer;
 
 function SurfaceViewImpl(surfaceviewElement) {
@@ skipping 24 matching lines @@
       callback(false);
     }
     return;
   }
 
   this.url = url;
 
   this.guest.destroy();
 
   this.guest.create(this.buildParams(), function() {
-    this.attachWindow();
+    this.attachWindow$();
     if (callback) {
       callback(true);
     }
   }.bind(this));
 };
 
 GuestViewContainer.registerElement(SurfaceViewImpl);