Show the "cannot proceed" text only when appropriate.

ash/shell/content_client/shell_content_browser_client.cc

 // Copyright (c) 2012 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 "ash/shell/content_client/shell_content_browser_client.h"
 
 #include "ash/shell/content_client/shell_browser_main_parts.h"
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "content/public/browser/resource_dispatcher_host.h"
@@ skipping 186 matching lines @@
 void ShellContentBrowserClient::ShowItemInFolder(const FilePath& path) {
 }
 
 void ShellContentBrowserClient::AllowCertificateError(
     int render_process_id,
     int render_view_id,
     int cert_error,
     const net::SSLInfo& ssl_info,
     const GURL& request_url,
     bool overridable,
+    bool strict_enforcement,
     const base::Callback<void(bool)>& callback,
     bool* cancel_request) {
 }
 
 void ShellContentBrowserClient::SelectClientCertificate(
     int render_process_id,
     int render_view_id,
     const net::HttpNetworkSession* network_session,
     net::SSLCertRequestInfo* cert_request_info,
     const base::Callback<void(net::X509Certificate*)>& callback) {
@@ skipping 147 matching lines @@
   return NULL;
 }
 #endif
 
 content::ShellBrowserContext* ShellContentBrowserClient::browser_context() {
   return shell_browser_main_parts_->browser_context();
 }
 
 }  // namespace examples
 }  // namespace views