Fix DevTools showCertificateViewer to use visible entry

content/browser/devtools/protocol/security_handler.cc

 // 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.
 
 #include "content/browser/devtools/protocol/security_handler.h"
 
 #include <string>
 
 #include "content/browser/devtools/protocol/devtools_protocol_dispatcher.h"
 #include "content/public/browser/navigation_controller.h"
@@ skipping 136 matching lines @@
 Response SecurityHandler::Disable() {
   enabled_ = false;
   WebContentsObserver::Observe(nullptr);
   return Response::OK();
 }
 
 Response SecurityHandler::ShowCertificateViewer() {
   if (!host_)
     return Response::InternalError("Could not connect to view");
   WebContents* web_contents = WebContents::FromRenderFrameHost(host_);
-  scoped_refptr<net::X509Certificate> certificate = web_contents->
-      GetController().GetLastCommittedEntry()->GetSSL().certificate;
+  scoped_refptr<net::X509Certificate> certificate =
+      web_contents->GetController().GetVisibleEntry()->GetSSL().certificate;
   if (!certificate)
     return Response::InternalError("Could not find certificate");
   web_contents->GetDelegate()->ShowCertificateViewerInDevTools(
       web_contents, certificate);
   return Response::OK();
 }
 
 }  // namespace security
 }  // namespace devtools
 }  // namespace content