[session_manager] Move user session initialization code out of ExistingUserController

chrome/browser/chromeos/app_mode/kiosk_profile_loader.h

 // Copyright 2013 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_CHROMEOS_APP_MODE_KIOSK_PROFILE_LOADER_H_
 #define CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_PROFILE_LOADER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 39 matching lines @@
 
   // LoginPerformer::Delegate overrides
   virtual void OnAuthSuccess(const UserContext& user_context) override;
   virtual void OnAuthFailure(const AuthFailure& error) override;
   virtual void WhiteListCheckFailed(const std::string& email) override;
   virtual void PolicyLoadFailed() override;
   virtual void OnOnlineChecked(
       const std::string& email, bool success) override;
 
   // LoginUtils::Delegate implementation:
-  virtual void OnProfilePrepared(Profile* profile) override;
+  virtual void OnProfilePrepared(Profile* profile,
+                                 bool browser_launched) override;
 
   std::string user_id_;
   bool use_guest_mount_;
   Delegate* delegate_;
   scoped_ptr<CryptohomedChecker> cryptohomed_checker_;
   scoped_ptr<LoginPerformer> login_performer_;
 
   DISALLOW_COPY_AND_ASSIGN(KioskProfileLoader);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_PROFILE_LOADER_H_