Show the "cannot proceed" text only when appropriate.

ash/shell/content_client/shell_content_browser_client.h

 // 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.
 
 #ifndef ASH_SHELL_CONTENT_CLIENT_SHELL_CONTENT_BROWSER_CLIENT_H_
 #define ASH_SHELL_CONTENT_CLIENT_SHELL_CONTENT_BROWSER_CLIENT_H_
 #pragma once
 
 #include <string>
 
@@ skipping 93 matching lines @@
       CreateQuotaPermissionContext() OVERRIDE;
   virtual void OpenItem(const FilePath& path) OVERRIDE;
   virtual void ShowItemInFolder(const FilePath& path) OVERRIDE;
   virtual void 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) OVERRIDE;
   virtual void 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) OVERRIDE;
   virtual void AddNewCertificate(
       net::URLRequest* request,
@@ skipping 77 matching lines @@
 
   ShellBrowserMainParts* shell_browser_main_parts_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellContentBrowserClient);
 };
 
 }  // namespace shell
 }  // namespace ash
 
 #endif  // ASH_SHELL_CONTENT_CLIENT_SHELL_CONTENT_BROWSER_CLIENT_H_