Add a DevTools warning for a missing subjectAltName

components/security_state/core/security_state.h

 // Copyright 2015 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 COMPONENTS_SECURITY_STATE_SECURITY_STATE_H_
 #define COMPONENTS_SECURITY_STATE_SECURITY_STATE_H_
 
 #include <stdint.h>
 #include <memory>
 
@@ skipping 124 matching lines @@
   int obsolete_ssl_status;
 
   // True if pinning was bypassed due to a local trust anchor.
   bool pkp_bypassed;
 
   // True if the page displayed password field on an HTTP page.
   bool displayed_password_field_on_http;
 
   // True if the page displayed credit card field on an HTTP page.
   bool displayed_credit_card_field_on_http;
+
+  // True if the server's certificate does not contain a
+  // subjectAltName extension with a domain name or IP address.
+  bool cert_missing_subject_alt_name;
 };
 
 // Contains the security state relevant to computing the SecurityInfo
 // for a page. This is the input to GetSecurityInfo().
 struct VisibleSecurityState {
   VisibleSecurityState();
   ~VisibleSecurityState();
   bool operator==(const VisibleSecurityState& other) const;
   GURL url;
 
@@ skipping 52 matching lines @@
     SecurityInfo* result);
 
 // Returns true if an experimental form warning UI about HTTP passwords
 // and credit cards is enabled. This warning UI can be enabled with the
 // |kHttpFormWarningFeature| feature.
 bool IsHttpWarningInFormEnabled();
 
 }  // namespace security_state
 
 #endif  // COMPONENTS_SECURITY_STATE_SECURITY_STATE_H_