Set timeout in sync setup

chrome/browser/ui/webui/sync_setup_handler.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_SYNC_SETUP_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_SYNC_SETUP_HANDLER_H_
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/timer.h"
 #include "chrome/browser/signin/signin_tracker.h"
 #include "chrome/browser/ui/webui/options2/options_ui2.h"
 #include "chrome/browser/ui/webui/signin/login_ui_service.h"
 
 class LoginUIService;
 class ProfileManager;
 class ProfileSyncService;
 class SigninManager;
 
 class SyncSetupHandler : public options2::OptionsPageUIHandler,
@@ skipping 112 matching lines @@
   // Instead of signing in, prepare requirements for showing the advanced
   // configuration dialog.
   void PrepareConfigDialog();
 
   // Displays spinner-only UI indicating that something is going on in the
   // background.
   // TODO(kochi): better to show some message that the user can understand what
   // is running in the background.
   void DisplaySpinner();
 
+  // Displays an error dialog which shows timeout of starting the sync backend.
+  void DisplayTimeout();
+
   // Returns true if we're the active login object.
   bool IsActiveLogin() const;
 
   // Initiates a login via the signin manager.
   void TryLogin(const std::string& username,
                 const std::string& password,
                 const std::string& captcha,
                 const std::string& access_code);
 
   // If a wizard already exists, focus it and return true.
@@ skipping 27 matching lines @@
 
   // Weak reference to the profile manager.
   ProfileManager* const profile_manager_;
 
   // Cache of the last name the client attempted to authenticate.
   std::string last_attempted_user_email_;
 
   // The error from the last signin attempt.
   GoogleServiceAuthError last_signin_error_;
 
+  // The OneShotTimer object used to timeout of starting the sync backend
+  // service.
+  scoped_ptr<base::OneShotTimer<SyncSetupHandler> > backend_start_timer_;
+
   DISALLOW_COPY_AND_ASSIGN(SyncSetupHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_SYNC_SETUP_HANDLER_H_