Add enterprise enrollment support for fake users.

chrome/browser/resources/chromeos/login/login_common.js

Index: chrome/browser/resources/chromeos/login/login_common.js
diff --git a/chrome/browser/resources/chromeos/login/login_common.js b/chrome/browser/resources/chromeos/login/login_common.js
index cd48d356eadd9a6a01519f3fa5ad08a51899418e..4f7172c651b67f15ebed101ee7b4dd5b7c61cf09 100644
--- a/chrome/browser/resources/chromeos/login/login_common.js
+++ b/chrome/browser/resources/chromeos/login/login_common.js
@@ -293,17 +293,46 @@ cr.define('cr.ui', function() {
    * Login for telemetry.
    * @param {string} username Login username.
    * @param {string} password Login password.
-   */
-  Oobe.loginForTesting = function(username, password, gaia_id) {
-    Oobe.disableSigninUI();
-    chrome.send('skipToLoginForTesting', [username]);
+   * @param {boolean} enterpriseEnroll Login as an enterprise enrollment?
+   */
+  Oobe.loginForTesting = function(username, password, gaia_id,
+                                  enterpriseEnroll = false) {
+    // Helper method that runs |fn| after |screenName| is visible.
+    function waitForOobeScreen(screenName, fn) {
+      if (Oobe.getInstance().currentScreen.id === screenName) {
+        fn();
+      } else {
+        $('oobe').addEventListener('screenchanged', function handler(e) {
+          if (e.detail == screenName) {
+            $('oobe').removeEventListener('screenchanged', handler);
+            fn();
+          }
+        });
+      }
+    }
+
     if (!gaia_id) {
-      /* TODO (alemate): Remove this backward compatibility hack when
-         as soon as all telemetry tests will pass gaia_id directly.
-      */
+      // TODO (alemate): Remove this backward compatibility hack when
+      // as soon as all telemetry tests will pass gaia_id directly.
       gaia_id = '12345';
     }
-    chrome.send('completeLogin', [gaia_id, username, password, false]);
+
+    Oobe.disableSigninUI();
+    chrome.send('skipToLoginForTesting', [username]);
+
+    if (!enterpriseEnroll) {
+      chrome.send('completeLogin', [gaia_id, username, password, false]);
+    } else {
+      waitForOobeScreen('gaia-signin', function() {
+        chrome.send('toggleEnrollmentScreen');
+        chrome.send('toggleFakeEnrollment');
+      });
+
+      waitForOobeScreen('oauth-enrollment', function() {
+        chrome.send('oauthEnrollCompleteLogin', [username, 'authcode']);
+        chrome.send('completeLogin', ['12345', username, password, false]);
+      });
+    }
   };
 
   /**