Implement SDCH Dictionary domain matching as per RFC 2965

net/base/url_util.h

 // Copyright 2013 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 contains a set of utility functions related to parsing,
 // manipulating, and interacting with URLs and hostnames. These functions are
 // intended to be of a text-processing nature, and should not attempt to use any
 // networking or blocking services.
 
 #ifndef NET_BASE_URL_UTIL_H_
@@ skipping 154 matching lines @@
 // for histograms and shouldn't be used to affect behavior.
 NET_EXPORT_PRIVATE bool HasGoogleHost(const GURL& url);
 
 // This function tests |host| to see if it is of any local hostname form.
 // |host| is normalized before being tested and if |is_local6| is not NULL then
 // it it will be set to true if the localhost name implies an IPv6 interface (
 // for instance localhost6.localdomain6).
 NET_EXPORT_PRIVATE bool IsLocalHostname(base::StringPiece host,
                                         bool* is_local6);
 
+// Returns true if the |domain| matches the given |host| as described in
+// section 5.1.3 of RFC 6265.
+NET_EXPORT_PRIVATE bool IsDomainMatch(const std::string& domain,
+                                      const std::string& host);
+
 }  // namespace net
 
 #endif  // NET_BASE_URL_UTIL_H_