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

chrome/app/resources/terms/chromeos/terms_en.html

Index: chrome/app/resources/terms/chromeos/terms_en.html
===================================================================
--- chrome/app/resources/terms/chromeos/terms_en.html	(revision 137976)
+++ chrome/app/resources/terms/chromeos/terms_en.html	(working copy)
@@ -123,7 +123,7 @@
 <hr>
 <br>
 <h2>Chrome OS Additional Terms</h2>
-<p>Your use of any pre-installed apps or extensions provided by Google, unless otherwise indicated, is subject to the terms of service at http://www.google.com/accounts/TOS. Your use of any pre-installed apps or extensions provided by a third party may be subject to terms provided to you by the third party.</p>
+<p>Your use of any pre-installed apps or extensions provided by Google, unless otherwise indicated, is subject to the terms of service at http://accounts.google.com/TOS. Your use of any pre-installed apps or extensions provided by a third party may be subject to terms provided to you by the third party.</p>
 <p>Your use of certain components of the Software is also subject to the following terms:</p>
 <p><strong>MPEGLA</strong></p>
 <p>THIS PRODUCT IS LICENSED UNDER THE AVC PATENT PORTFOLIO LICENSE FOR THE PERSONAL AND NON-COMMERCIAL USE OF A CONSUMER TO (i) ENCODE VIDEO IN COMPLIANCE WITH THE AVC STANDARD ( “AVC VIDEO”) AND/OR (ii) DECODE AVC VIDEO THAT WAS ENCODED BY A CONSUMER ENGAGED IN A PERSONAL AND NON-COMMERCIAL ACTIVITY AND/OR WAS OBTAINED FROM A VIDEO PARTNER LICENSED TO PROVIDE AVC VIDEO.  NO LICENSE IS GRANTED OR SHALL BE IMPLIED FOR ANY OTHER USE.  ADDITIONAL INFORMATION MAY BE OBTAINED FROM MPEG LA, L.L.C.  SEE HTTP://WWW.MPEGLA.COM.</p>