Remove error handling for NOT_IN_DNS.

net/base/net_error_list.h

 // 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.
 
 // This file intentionally does not have header guards, it's included
 // inside a macro to generate enum.
 
 // This file contains the list of network errors.
 
 //
@@ skipping 350 matching lines @@
 //
 // MSDN describes this error as follows:
 //   "The SSL certificate is invalid."
 //
 NET_ERROR(CERT_INVALID, -207)
 
 // The server responded with a certificate that is signed using a weak
 // signature algorithm.
 NET_ERROR(CERT_WEAK_SIGNATURE_ALGORITHM, -208)
 
-// The domain has CERT records which are tagged as being an exclusive list of
-// valid fingerprints. But the certificate presented was not in this list.
-NET_ERROR(CERT_NOT_IN_DNS, -209)
+// -209 is availible: was CERT_NOT_IN_DNS.
 
 // The host name specified in the certificate is not unique.
 NET_ERROR(CERT_NON_UNIQUE_NAME, -210)
 
 // The server responded with a certificate that contains a weak key (e.g.
 // a too-small RSA key).
 NET_ERROR(CERT_WEAK_KEY, -211)
 
 // Add new certificate error codes here.
 //
@@ skipping 269 matching lines @@
 NET_ERROR(DNS_SERVER_FAILED, -802)
 
 // DNS transaction timed out.
 NET_ERROR(DNS_TIMED_OUT, -803)
 
 // The entry was not found in cache, for cache-only lookups.
 NET_ERROR(DNS_CACHE_MISS, -804)
 
 // Suffix search list rules prevent resolution of the given host name.
 NET_ERROR(DNS_SEARCH_EMPTY, -805)