Consumer management enrollment signin screen change:

chrome/browser/resources/chromeos/login/screen_gaia_signin.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.
 
 /**
  * @fileoverview Oobe signin screen implementation.
  */
 
 <include src="../../gaia_auth_host/gaia_auth_host.js">
 
@@ skipping 38 matching lines @@
      */
     isLocal_: false,
 
     /**
      * Email of the user, which is logging in using offline mode.
      * @type {string}
      */
     email: '',
 
     /**
+     * Whether consumer management enrollment is in progress.
+     * @type {boolean}
+     * @private
+     */
+    isEnrollingConsumerManagement_: false,
+
+    /**
      * Timer id of pending load.
      * @type {number}
      * @private
      */
     loadingTimer_: undefined,
 
     /**
      * Whether user can cancel Gaia screen.
      * @type {boolean}
      * @private
@@ skipping 135 matching lines @@
       this.showLoadingUI_(loading);
     },
 
     /**
      * Event handler that is invoked just before the frame is shown.
      * @param {string} data Screen init payload. Url of auth extension start
      *                      page.
      */
     onBeforeShow: function(data) {
       chrome.send('loginUIStateChanged', ['gaia-signin', true]);
-      $('login-header-bar').signinUIState = SIGNIN_UI_STATE.GAIA_SIGNIN;
+      $('login-header-bar').signinUIState =
+          this.isEnrollingConsumerManagement_ ?
+          SIGNIN_UI_STATE.CONSUMER_MANAGEMENT_ENROLLMENT :

[bartfab (slow), 2014/08/04 17:40:52]

Nit: Indent this line and the next by four more spaces. They are parts of a
ternary operator that starts a line above.

[davidyu, 2014/08/05 07:24:05]

Done.

+          SIGNIN_UI_STATE.GAIA_SIGNIN;
 
       // Ensure that GAIA signin (or loading UI) is actually visible.
       window.webkitRequestAnimationFrame(function() {
         chrome.send('loginVisible', ['gaia-loading']);
       });
 
       // Button header is always visible when sign in is presented.
       // Header is hidden once GAIA reports on successful sign in.
       Oobe.getInstance().headerHidden = false;
     },
@@ skipping 76 matching lines @@
       $('guestSignin').hidden = !data.guestSignin;
       $('createSupervisedUserPane').hidden = !data.supervisedUsersEnabled;
 
       $('createSupervisedUserLinkPlaceholder').hidden =
           !data.supervisedUsersCanCreate;
       $('createSupervisedUserNoManagerText').hidden =
           data.supervisedUsersCanCreate;
       $('createSupervisedUserNoManagerText').textContent =
           data.supervisedUsersRestrictionReason;
 
+      $('consumerManagementEnrollment').hidden =
+          !data.isEnrollingConsumerManagement;
+
       this.isShowUsers_ = data.isShowUsers;
       this.updateCancelButtonState();
 
+      this.isEnrollingConsumerManagement_ = data.isEnrollingConsumerManagement;

[bartfab (slow), 2014/08/04 17:40:52]

Nit: You use |data.isEnrollingConsumerManagement| in two places. Why not store
it in a temporary variable to make it easier to check the code for consistency?

[davidyu, 2014/08/05 07:24:05]

Done.

+
       // Sign-in right panel is hidden if all of its items are hidden.
       var noRightPanel = $('gaia-signin-reason').hidden &&
                          $('createAccount').hidden &&
                          $('guestSignin').hidden &&
-                         $('createSupervisedUserPane').hidden;
+                         $('createSupervisedUserPane').hidden &&
+                         $('consumerManagementEnrollment').hidden;
       this.classList.toggle('no-right-panel', noRightPanel);
       if (Oobe.getInstance().currentScreen === this)
         Oobe.getInstance().updateScreenSize(this);
     },
 
     /**
      * Sends the authenticated user's e-mail address to the auth extension.
      * @param {number} attemptToken The opaque token provided to
      *     onRetrieveAuthenticatedUserEmail_.
      * @param {string} email The authenticated user's e-mail address.
@@ skipping 227 matching lines @@
           '</a>');
       $('guestSignin').innerHTML = loadTimeData.getStringF(
           'guestSignin',
           '<a id="guestSigninLink" class="signin-link" href="#">',
           '</a>');
       $('createSupervisedUserLinkPlaceholder').innerHTML =
           loadTimeData.getStringF(
               'createSupervisedUser',
               '<a id="createSupervisedUserLink" class="signin-link" href="#">',
               '</a>');
+      $('consumerManagementEnrollment').innerHTML = loadTimeData.getString(
+          'consumerManagementEnrollmentSigninMessage');
       $('createAccountLink').addEventListener('click', function(e) {
         chrome.send('createAccount');
         e.preventDefault();
       });
       $('guestSigninLink').addEventListener('click', function(e) {
         chrome.send('launchIncognito');
         e.preventDefault();
       });
       $('createSupervisedUserLink').addEventListener('click', function(e) {
         chrome.send('showSupervisedUserCreationScreen');
@@ skipping 54 matching lines @@
      * For more info see C++ class 'WebUILoginView' which calls this method.
      * @param {number} error Error code.
      * @param {string} url The URL that failed to load.
      */
     onFrameError: function(error, url) {
       this.error_ = error;
       chrome.send('frameLoadingCompleted', [this.error_]);
     },
   };
 });