Stop using CertStore which is not compatible with PlzNavigate.

chrome/browser/ui/toolbar/chrome_toolbar_model_delegate.cc

 // Copyright 2016 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.
 
 #include "chrome/browser/ui/toolbar/chrome_toolbar_model_delegate.h"
 
 #include "base/logging.h"
 #include "chrome/browser/autocomplete/chrome_autocomplete_scheme_classifier.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search/search.h"
 #include "chrome/browser/ssl/chrome_security_state_model_client.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "components/google/core/browser/google_util.h"
 #include "components/omnibox/browser/autocomplete_input.h"
 #include "components/prefs/pref_service.h"
-#include "content/public/browser/cert_store.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/ssl_status.h"
 
 ChromeToolbarModelDelegate::ChromeToolbarModelDelegate() {}
 
 ChromeToolbarModelDelegate::~ChromeToolbarModelDelegate() {}
 
 base::string16 ChromeToolbarModelDelegate::FormattedStringWithEquivalentMeaning(
@@ skipping 47 matching lines @@
   // If there is no active WebContents (which can happen during toolbar
   // initialization), assume no security style.
   if (!web_contents)
     return security_state::SecurityStateModel::NONE;
   auto* client = ChromeSecurityStateModelClient::FromWebContents(web_contents);
   return client->GetSecurityInfo().security_level;
 }
 
 scoped_refptr<net::X509Certificate> ChromeToolbarModelDelegate::GetCertificate()
     const {
-  scoped_refptr<net::X509Certificate> cert;
   content::NavigationEntry* entry = GetNavigationEntry();
-  if (entry) {
-    content::CertStore::GetInstance()->RetrieveCert(entry->GetSSL().cert_id,
-                                                    &cert);
-  }
-  return cert;
+  if (!entry)
+    return scoped_refptr<net::X509Certificate>();
+  return entry->GetSSL().certificate;
 }
 
 content::NavigationController*
 ChromeToolbarModelDelegate::GetNavigationController() const {
   // This |current_tab| can be null during the initialization of the toolbar
   // during window creation (i.e. before any tabs have been added to the
   // window).
   content::WebContents* current_tab = GetActiveWebContents();
   return current_tab ? &current_tab->GetController() : nullptr;
 }
 
 content::NavigationEntry* ChromeToolbarModelDelegate::GetNavigationEntry()
     const {
   content::NavigationController* controller = GetNavigationController();
   return controller ? controller->GetVisibleEntry() : nullptr;
 }
 
 Profile* ChromeToolbarModelDelegate::GetProfile() const {
   content::NavigationController* controller = GetNavigationController();
   return controller
              ? Profile::FromBrowserContext(controller->GetBrowserContext())
              : nullptr;
 }