Stop using CertStore which is not compatible with PlzNavigate.

content/public/browser/security_style_explanation.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 CONTENT_PUBLIC_BROWSER_SECURITY_STYLE_EXPLANATION_H_
 #define CONTENT_PUBLIC_BROWSER_SECURITY_STYLE_EXPLANATION_H_
 
 #include <string>
 
 #include "content/common/content_export.h"
 
 namespace content {
 
 // A human-readable summary phrase and more detailed description of a
 // security property that was used to compute the SecurityStyle of a
 // resource. An example summary phrase would be "Expired Certificate",
 // with a description along the lines of "This site's certificate chain
 // contains errors (net::CERT_DATE_INVALID)".
 struct SecurityStyleExplanation {
   CONTENT_EXPORT SecurityStyleExplanation(){};
   CONTENT_EXPORT SecurityStyleExplanation(const std::string& summary,
                                           const std::string& description)
-      : summary(summary), description(description), cert_id(0) {}
+      : summary(summary), description(description), has_certificate(false) {}
   CONTENT_EXPORT SecurityStyleExplanation(const std::string& summary,
                                           const std::string& description,
-                                          int cert_id)
-      : summary(summary), description(description), cert_id(cert_id) {}
+                                          bool has_certificate)
+      : summary(summary), description(description),
+        has_certificate(has_certificate) {}
   CONTENT_EXPORT ~SecurityStyleExplanation() {}
 
   std::string summary;
   std::string description;
-  int cert_id;
+  bool has_certificate;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_SECURITY_STYLE_EXPLANATION_H_