Update keygen to use correct NSS slot on ChromeOS multiprofile.

chrome/browser/ui/gtk/crypto_module_password_dialog_gtk.cc

 // 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.
 
 #include "chrome/browser/ui/crypto_module_password_dialog.h"
 
 #include <gtk/gtk.h>
 
 #include "base/basictypes.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/ui/gtk/gtk_util.h"
-#include "crypto/crypto_module_blocking_password_delegate.h"
 #include "grit/generated_resources.h"
 #include "ui/base/gtk/gtk_hig_constants.h"
 #include "ui/base/gtk/gtk_signal.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "url/gurl.h"
 
 namespace {
 
 // TODO(mattm): change into a constrained dialog.
 class CryptoModulePasswordDialog {
@@ skipping 107 matching lines @@
 
 void CryptoModulePasswordDialog::Show() {
   gtk_util::ShowDialog(dialog_);
 }
 
 void CryptoModulePasswordDialog::OnResponse(GtkWidget* dialog,
                                             int response_id) {
   if (response_id == GTK_RESPONSE_ACCEPT)
     callback_.Run(gtk_entry_get_text(GTK_ENTRY(password_entry_)));
   else
-    callback_.Run(static_cast<const char*>(NULL));
+    callback_.Run(std::string());
 
   // This will cause gtk to zero out the buffer.  (see
   // gtk_entry_buffer_normal_delete_text:
   // http://git.gnome.org/browse/gtk+/tree/gtk/gtkentrybuffer.c#n187)
   gtk_editable_delete_text(GTK_EDITABLE(password_entry_), 0, -1);
   gtk_widget_destroy(dialog_);
 }
 
 void CryptoModulePasswordDialog::OnWindowDestroy(GtkWidget* widget) {
   delete this;
 }
 
 }  // namespace
 
 namespace chrome {
 
 void ShowCryptoModulePasswordDialog(
     const std::string& slot_name,
     bool retry,
     CryptoModulePasswordReason reason,
     const std::string& server,
     gfx::NativeWindow parent,
     const CryptoModulePasswordCallback& callback) {
   (new CryptoModulePasswordDialog(
        slot_name, retry, reason, server, parent, callback))->Show();
 }
 
 }  // namespace chrome