Don't generate a certificate browse button or passphrase field if cert path contains SETTINGS:

chrome/browser/chromeos/options/internet_page_view.cc

 // Copyright (c) 2010 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 "chrome/browser/chromeos/options/internet_page_view.h"
 
 #include <string>
 
 #include "app/combobox_model.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
@@ skipping 355 matching lines @@
     if (static_cast<int>(wifi_networks_.size()) > id) {
       if (button == CONNECT_BUTTON) {
         // Connect to wifi here. Open password page if appropriate.
         if (wifi_networks_[id].encrypted()) {
           NetworkConfigView* view =
               new NetworkConfigView(wifi_networks_[id], true);
           CreateModalPopup(view);
           view->SetLoginTextfieldFocus();
         } else {
           CrosLibrary::Get()->GetNetworkLibrary()->ConnectToWifiNetwork(
-              wifi_networks_[id], string16(), string16(), string16());
+              wifi_networks_[id], std::string(), std::string(), std::string());
         }
       } else if (button == DISCONNECT_BUTTON) {
         CrosLibrary::Get()->GetNetworkLibrary()->DisconnectFromWirelessNetwork(
             wifi_networks_[id]);
       } else {
         CreateModalPopup(new NetworkConfigView(wifi_networks_[id], false));
       }
     }
   } else {
     NOTREACHED();
@@ skipping 219 matching lines @@
   scroll_view_->SetBounds(GetLocalBounds(false));
   scroll_view_->Layout();
 }
 
 void InternetPageView::InitControlLayout() {
   AddChildView(scroll_view_);
   scroll_view_->SetContents(contents_view_);
 }
 
 }  // namespace chromeos