Implement the gaia captcha state and unlock capability in the sync setup wiza...

chrome/browser/gtk/sync_setup_wizard_gtk.cc

 // Copyright (c) 2009 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/gtk/sync_setup_wizard_gtk.h"
 
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/browser_window.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/browser/sync/sync_setup_wizard.h"
@@ skipping 98 matching lines @@
                    G_CALLBACK(HandleOnResponseDialog), this);
   gtk_window_set_resizable(GTK_WINDOW(dialog), FALSE);
   gtk_widget_show_all(dialog);
 }
 
 void SyncSetupWizardGtk::OnDialogResponse(GtkWidget* widget, int response) {
   wizard_->set_visible(false);
   if (response == GTK_RESPONSE_ACCEPT) {
     service_->OnUserSubmittedAuth(
         gtk_entry_get_text(GTK_ENTRY(username_textbox_)),
-        gtk_entry_get_text(GTK_ENTRY(password_textbox_)));
+        gtk_entry_get_text(GTK_ENTRY(password_textbox_)),
+        std::string());
 
     service_->SetSyncSetupCompleted();
   }
   service_->OnUserCancelledDialog();
 
   delete this;
   gtk_widget_destroy(GTK_WIDGET(widget));
 }