CrOS - Add certificate support to VPN UI.

chrome/browser/chromeos/options/vpn_config_view.h

 // Copyright (c) 2011 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 CHROME_BROWSER_CHROMEOS_OPTIONS_VPN_CONFIG_VIEW_H_
 #define CHROME_BROWSER_CHROMEOS_OPTIONS_VPN_CONFIG_VIEW_H_
 #pragma once
 
 #include <string>
 
@@ skipping 50 matching lines @@
 
   // Update state of the Login button.
   void UpdateCanLogin();
 
   // Update the error text label.
   void UpdateErrorLabel();
 
   // Returns true if the provider type requires a user certificate.
   bool UserCertRequired() const;
 
+  // Returns true if there is at least one user certificate installed.
+  bool HaveUserCerts() const;
+
   // Get text from input field.
   const std::string GetTextFromField(views::Textfield* textfield,
                                      bool trim_whitespace) const;
 
   // Convenience methods to get text from input field or cached VirtualNetwork.
   const std::string GetService() const;
   const std::string GetServer() const;
   const std::string GetPSKPassphrase() const;
   const std::string GetUsername() const;
   const std::string GetUserPassphrase() const;
@@ skipping 17 matching lines @@
   views::Textfield* username_textfield_;
   views::Textfield* user_passphrase_textfield_;
   views::Label* error_label_;
 
   DISALLOW_COPY_AND_ASSIGN(VPNConfigView);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_OPTIONS_VPN_CONFIG_VIEW_H_