Implement <appview> skeleton.

chrome/renderer/resources/extensions/web_view.js

 // Copyright (c) 2012 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 Webview (<webview>) as a custom element that wraps a
 // BrowserPlugin object element. The object element is hidden within
 // the shadow DOM of the Webview element.
 
 var DocumentNatives = requireNative('document_natives');
 var GuestViewInternal =
@@ skipping 748 matching lines @@
     }
     internal.handleBrowserPluginAttributeMutation(name, newValue);
   };
 
   proto.attachedCallback = function() {
     // Load the plugin immediately.
     var unused = this.nonExistentAttribute;
   };
 
   WebViewInternal.BrowserPlugin =
-      DocumentNatives.RegisterElement('browser-plugin', {extends: 'object',
-                                                         prototype: proto});
+      DocumentNatives.RegisterElement('browserplugin', {extends: 'object',
+                                                        prototype: proto});
 
   delete proto.createdCallback;
   delete proto.attachedCallback;
   delete proto.detachedCallback;
   delete proto.attributeChangedCallback;
 }
 
 // Registers <webview> custom element.
 function registerWebViewElement() {
   var proto = Object.create(HTMLElement.prototype);
@@ skipping 107 matching lines @@
 };
 
 /**
  * Implemented when the experimental API is available.
  * @private
  */
 WebViewInternal.prototype.setupExperimentalContextMenus = function() {};
 
 exports.WebView = WebView;
 exports.WebViewInternal = WebViewInternal;