CrOS - Add certificate support to VPN UI.

chrome/browser/chromeos/options/vpn_config_view.h

Index: chrome/browser/chromeos/options/vpn_config_view.h
diff --git a/chrome/browser/chromeos/options/vpn_config_view.h b/chrome/browser/chromeos/options/vpn_config_view.h
index 7670d073d2331261ae9feb7b58958b97afe14011..6a0c828e28cc46128ba490482798ace355e430f8 100644
--- a/chrome/browser/chromeos/options/vpn_config_view.h
+++ b/chrome/browser/chromeos/options/vpn_config_view.h
@@ -68,6 +68,9 @@ class VPNConfigView : public ChildNetworkConfigView,
   // 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;