It seems GAIA had changed dosserver rules today, so we can go back to accounts.google.com.

chrome/test/functional/test_utils.py

 # 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.
 
 import copy
 import ctypes
 import email
 import logging
 import os
 import platform
@@ skipping 63 matching lines @@
   Attempts to login to Google by entering the username/password into the google
   login page and click submit button.
 
   Args:
     test: derived from pyauto.PyUITest - base class for UI test cases.
     username: users login input.
     password: users login password input.
     tab_index: The tab index, default is 0.
     windex: The window index, default is 0.
   """
-  test.NavigateToURL('https://www.google.com/accounts/', windex, tab_index)
+  test.NavigateToURL('https://accounts.google.com/', windex, tab_index)
   email_id = 'document.getElementById("Email").value = "%s"; ' \
              'window.domAutomationController.send("done")' % username
   password = 'document.getElementById("Passwd").value = "%s"; ' \
              'window.domAutomationController.send("done")' % password
   test.ExecuteJavascript(email_id, tab_index, windex)
   test.ExecuteJavascript(password, tab_index, windex)
   test.assertTrue(test.SubmitForm('gaia_loginform', tab_index, windex))
 
 
 def VerifyGoogleAccountCredsFilled(test, username, password, tab_index=0,
@@ skipping 321 matching lines @@
     test: Derived from pyauto.PyUITest - base class for UI test cases.
     infobar_type: The infobar type to look for.
     windex: Window index. Defaults to 0 (first window).
     tab_index: Tab index. Defaults to 0 (first tab).
   """
   test.assertFalse(
       test.WaitUntil(lambda: GetInfobarIndexByType(
           test, infobar_type, windex, tab_index) is not None, timeout=20),
       msg=('Infobar type for %s appeared when it should be hidden.'
            % infobar_type))