Stop using browser signin for passphrase migration, just use the normal signi...

chrome/browser/sync/sync_setup_flow.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/sync/sync_setup_flow.h"
 
 #include "base/callback.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/metrics/histogram.h"
@@ skipping 537 matching lines @@
     case SyncSetupWizard::GAIA_LOGIN:
       return current_state_ == SyncSetupWizard::FATAL_ERROR ||
              current_state_ == SyncSetupWizard::GAIA_LOGIN;
     case SyncSetupWizard::GAIA_SUCCESS:
       return current_state_ == SyncSetupWizard::GAIA_LOGIN;
     case SyncSetupWizard::CONFIGURE:
       return current_state_ == SyncSetupWizard::GAIA_SUCCESS;
     case SyncSetupWizard::ENTER_PASSPHRASE:
       return current_state_ == SyncSetupWizard::CONFIGURE ||
              current_state_ == SyncSetupWizard::SETTING_UP;
+    case SyncSetupWizard::PASSPHRASE_MIGRATION:
+      return current_state_ == SyncSetupWizard::GAIA_LOGIN;
     case SyncSetupWizard::SETUP_ABORTED_BY_PENDING_CLEAR:
       return current_state_ == SyncSetupWizard::CONFIGURE;
     case SyncSetupWizard::SETTING_UP:
       return current_state_ == SyncSetupWizard::CONFIGURE ||
              current_state_ == SyncSetupWizard::ENTER_PASSPHRASE ||
              current_state_ == SyncSetupWizard::PASSPHRASE_MIGRATION;
     case SyncSetupWizard::FATAL_ERROR:
       return true;  // You can always hit the panic button.
     case SyncSetupWizard::DONE_FIRST_TIME:
     case SyncSetupWizard::DONE:
@@ skipping 182 matching lines @@
     service_->OnUserChoseDatatypes(false, registered_types);
   } else if (option == "google") {
     // Implicit passphrase already set up.
     Advance(SyncSetupWizard::DONE);
   }
 }
 
 void SyncSetupFlow::OnGoToDashboard() {
   BrowserList::GetLastActive()->OpenPrivacyDashboardTabAndActivate();
 }