Implement signin using webview

chrome/browser/resources/inline_login/inline_login.js

 // Copyright 2013 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.
 
 /**
  * @fileoverview Inline login UI.
  */
 
-<include src="../gaia_auth_host/gaia_auth_host.js">
-
 cr.define('inline.login', function() {
   'use strict';
 
   /**
    * The auth extension host instance.
-   * @type {Object}
+   * @type {cr.login.GaiaAuthHost}
    */
   var authExtHost;
 
   /**
    * Whether the auth ready event has been fired, for testing purpose.
    */
   var authReadyFired;
 
   /**
+   * A listener class for authentication events from GaiaAuthHost.
+   * @constructor
+   * @implements {cr.login.GaiaAuthHost.Listener}
+   */
+  function GaiaAuthHostListener() {}
+
+  /** @override */
+  GaiaAuthHostListener.prototype.onSuccess = function(credentials) {
+    onAuthCompleted(credentials);
+  };
+
+  /** @override */
+  GaiaAuthHostListener.prototype.onReady = function(e) {
+    onAuthReady();
+  };
+
+  /** @override */
+  GaiaAuthHostListener.prototype.onResize = function(url) {
+    chrome.send('switchToFullTab', url);
+  };
+
+  /** @override */
+  GaiaAuthHostListener.prototype.onNewWindow = function(e) {
+    window.open(e.targetUrl, '_blank');
+    e.window.discard();
+  };
+
+  /**
    * Handler of auth host 'ready' event.
    */
   function onAuthReady() {
     $('contents').classList.toggle('loading', false);
     authReadyFired = true;
   }
 
   /**
    * Handler of auth host 'completed' event.
    * @param {!Object} credentials Credentials of the completed authentication.
    */
   function onAuthCompleted(credentials) {
     chrome.send('completeLogin', [credentials]);
     $('contents').classList.toggle('loading', true);
   }
 
   /**
    * Initialize the UI.
    */
   function initialize() {
-    authExtHost = new cr.login.GaiaAuthHost('signin-frame');
+    authExtHost = new cr.login.GaiaAuthHost(
+        'signin-frame', new GaiaAuthHostListener());
     authExtHost.addEventListener('ready', onAuthReady);
 
     chrome.send('initialize');
   }
 
   /**
    * Loads auth extension.
    * @param {Object} data Parameters for auth extension.
    */
   function loadAuthExtension(data) {
@@ skipping 37 matching lines @@
     getAuthExtHost: getAuthExtHost,
     isAuthReady: isAuthReady,
     initialize: initialize,
     loadAuthExtension: loadAuthExtension,
     closeDialog: closeDialog,
     handleOAuth2TokenFailure: handleOAuth2TokenFailure
   };
 });
 
 document.addEventListener('DOMContentLoaded', inline.login.initialize);