Sync: Support multiple setup UIs.

chrome/browser/ui/webui/options/sync_setup_handler.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/webui/options/sync_setup_handler.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 283 matching lines @@
 
   ProfileSyncService* service = GetSyncService();
   DCHECK(service);
   if (!service->IsFirstSetupComplete()) {
     // This is the first time configuring sync, so log it.
     base::FilePath profile_file_path = GetProfile()->GetPath();
     ProfileMetrics::LogProfileSyncSignIn(profile_file_path);
 
     // We're done configuring, so notify ProfileSyncService that it is OK to
     // start syncing.
-    service->SetSetupInProgress(false);
+    setup_handle_.reset();
     service->SetFirstSetupComplete();
   }
 }
 
 bool SyncSetupHandler::IsActiveLogin() const {
   // LoginUIService can be NULL if page is brought up in incognito mode
   // (i.e. if the user is running in guest mode in cros and brings up settings).
   LoginUIService* service = GetLoginUIService();
   return service && (service->current_login_ui() == this);
 }
@@ skipping 97 matching lines @@
     if (!IsActiveLogin())
       CloseSyncSetup();
     return false;
   }
 
   // Notify services that login UI is now active.
   GetLoginUIService()->SetLoginUI(this);
 
   ProfileSyncService* service = GetSyncService();
   if (service)
-    service->SetSetupInProgress(true);
+    setup_handle_ = service->GetSetupInProgressHandle();
 
   return true;
 }
 
 void SyncSetupHandler::DisplaySpinner() {
   configuring_sync_ = true;
   base::StringValue page("spinner");
   base::DictionaryValue args;
 
   const int kTimeoutSec = 30;
@@ skipping 286 matching lines @@
         }
       }
     }
 
     GetLoginUIService()->LoginUIClosed(this);
   }
 
   // Alert the sync service anytime the sync setup dialog is closed. This can
   // happen due to the user clicking the OK or Cancel button, or due to the
   // dialog being closed by virtue of sync being disabled in the background.
-  if (sync_service)
-    sync_service->SetSetupInProgress(false);
+  setup_handle_.reset();
 
   configuring_sync_ = false;
 }
 
 void SyncSetupHandler::OpenSyncSetup(bool creating_supervised_user) {
   if (!PrepareSyncSetup())
     return;
 
   // There are several different UI flows that can bring the user here:
   // 1) Signin promo.
@@ skipping 201 matching lines @@
       "SyncSetupOverlay.showSyncSetupPage", page, args);
 
   // Make sure the tab used for the Gaia sign in does not cover the settings
   // tab.
   FocusUI();
 }
 
 LoginUIService* SyncSetupHandler::GetLoginUIService() const {
   return LoginUIServiceFactory::GetForProfile(GetProfile());
 }