Update frame around SAML IdP pages to new GAIA style

chrome/browser/resources/chromeos/login/oobe_screen_oauth_enrollment_webview.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.
 
 login.createScreen('OAuthEnrollmentScreen', 'oauth-enrollment', function() {
   /** @const */ var STEP_SIGNIN = 'signin';
   /** @const */ var STEP_WORKING = 'working';
   /** @const */ var STEP_ERROR = 'error';
   /** @const */ var STEP_SUCCESS = 'success';
 
@@ skipping 61 matching lines @@
       this.authenticator_.addEventListener('authFlowChange',
           (function(e) {
             var isSAML = this.authenticator_.authFlow ==
                              cr.login.Authenticator.AuthFlow.SAML;
             if (isSAML) {
               $('oauth-saml-notice-message').textContent =
                   loadTimeData.getStringF('samlNotice',
                                           this.authenticator_.authDomain);
             }
             this.classList.toggle('saml', isSAML);
+            if (Oobe.getInstance().currentScreen === this)
+              Oobe.getInstance().updateScreenSize(this);
           }).bind(this));
 
       this.authenticator_.addEventListener('backButton',
           (function(e) {
             $('oauth-enroll-back-button').hidden = !e.detail;
           }).bind(this));
 
       this.authenticator_.insecureContentBlockedCallback =
           (function(url) {
             this.showError(
@@ skipping 134 matching lines @@
      * Retries the enrollment process after an error occurred in a previous
      * attempt. This goes to the C++ side through |chrome| first to clean up the
      * profile, so that the next attempt is performed with a clean state.
      */
     doRetry_: function() {
       chrome.send('oauthEnrollRetry');
     }
   };
 });