New SSL metric added: Likely From Same Domain

chrome/browser/ssl/ssl_error_classification.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_SSL_SSL_ERROR_CLASSIFICATION_H_
 #define CHROME_BROWSER_SSL_SSL_ERROR_CLASSIFICATION_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 99 matching lines @@
   //     a.b.example.com ~ *.example.com --> true
   //     b.example.com ~ *.example.com --> false
   bool IsSubDomainOutsideWildcard(const Tokens& hostname) const;
 
   // Returns true if the certificate is a shared certificate. Note - This
   // function should be used with caution (only for UMA histogram) as an
   // attacker could easily get a certificate with more than 5 names in the SAN
   // fields.
   bool IsCertLikelyFromMultiTenantHosting() const;
 
+  // Returns true if the hostname in |request_url_| has the same domain
+  // (effective TLD + 1 label) as at least one of the subject
+  // alternative names in |cert_|.
+  bool IsCertLikelyFromSameDomain() const;
+
   static std::vector<Tokens> GetTokenizedDNSNames(
       const std::vector<std::string>& dns_names);
 
   // If |potential_subdomain| is a subdomain of |parent|, returns the
   // number of DNS labels by which |potential_subdomain| is under
   // |parent|. Otherwise, returns 0.
   //
   // For example,
   //
   //   FindSubDomainDifference(Tokenize("a.b.example.com"),
@@ skipping 25 matching lines @@
   bool captive_portal_probe_completed_;
   // Did the captive portal probe receive an error or get a non-HTTP response?
   bool captive_portal_no_response_;
   // Was a captive portal detected?
   bool captive_portal_detected_;
 
   content::NotificationRegistrar registrar_;
 };
 
 #endif  // CHROME_BROWSER_SSL_SSL_ERROR_CLASSIFICATION_H_