Enabling webview in app_shell.

extensions/renderer/resources/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 999 matching lines @@
   window.removeEventListener(event.type, listener, useCapture);
 }, useCapture);
 
 /**
  * Implemented when the ChromeWebView API is available.
  * @private
  */
 WebViewInternal.prototype.maybeGetChromeWebViewEvents = function() {};
 
 /**
+ * Implemented when the ChromeWebView API is available.
+ * @private
+ */
+WebViewInternal.prototype.maybeSetupChromeWebViewEvents = function() {};
+
+/**
  * Implemented when the experimental API is available.
  * @private
  */
 WebViewInternal.prototype.maybeGetExperimentalEvents = function() {};
 
 /**
  * Implemented when the experimental API is available.
  * @private
  */
 WebViewInternal.prototype.maybeGetExperimentalPermissions = function() {
   return [];
 };
 
 /**
  * Implemented when the experimental API is available.
  * @private
  */
 WebViewInternal.prototype.setupExperimentalContextMenus = function() {
 };
 
 exports.WebView = WebView;
 exports.WebViewInternal = WebViewInternal;