Leave client certificate combobox empty if managed certficate not found

chrome/browser/chromeos/options/wifi_config_view.h

Index: chrome/browser/chromeos/options/wifi_config_view.h
diff --git a/chrome/browser/chromeos/options/wifi_config_view.h b/chrome/browser/chromeos/options/wifi_config_view.h
index ede9a59de0c08f2ba21bf38cae933223f986d359..456b2325adf0db97712d68ab99332bf4e197a5e9 100644
--- a/chrome/browser/chromeos/options/wifi_config_view.h
+++ b/chrome/browser/chromeos/options/wifi_config_view.h
@@ -154,6 +154,9 @@ class WifiConfigView : public ChildNetworkConfigView,
   // Returns true if a user cert should be selected.
   bool UserCertActive() const;
 
+  // Returns true if the user cert is managed but could not be found.
+  bool ManagedUserCertNotFound() const { return managed_user_cert_not_found_; }
+
   // Returns true if a CA cert selection should be allowed.
   bool CaCertActive() const;
 
@@ -212,6 +215,10 @@ class WifiConfigView : public ChildNetworkConfigView,
   views::ToggleImageButton* passphrase_visible_button_;
   views::Label* error_label_;
 
+  // Indicates that the user certificate is managed by policy (not editable),
+  // but the policy-specified certificate has not been found.
+  bool managed_user_cert_not_found_ = false;
+
   base::WeakPtrFactory<WifiConfigView> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WifiConfigView);