Revert of Introduce SessionManager that will contain code to start user session on Chrome OS

chrome/browser/chromeos/login/login_utils.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_CHROMEOS_LOGIN_LOGIN_UTILS_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_UTILS_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
 
 class GURL;
+class PrefRegistrySimple;
 class PrefService;
 class Profile;
 
 namespace base {
 class CommandLine;
 }
 
 namespace chromeos {
 
 class Authenticator;
 class LoginDisplayHost;
 class LoginStatusConsumer;
 class UserContext;
 
 class LoginUtils {
  public:
   class Delegate {
    public:
     // Called after profile is loaded and prepared for the session.
     virtual void OnProfilePrepared(Profile* profile) = 0;
 
 #if defined(ENABLE_RLZ)
     // Called after post-profile RLZ initialization.
-    virtual void OnRlzInitialized() {}
+    virtual void OnRlzInitialized(Profile* profile) {}
 #endif
    protected:
     virtual ~Delegate() {}
   };
 
+  // Registers log-in related preferences.
+  static void RegisterPrefs(PrefRegistrySimple* registry);
+
   // Get LoginUtils singleton object. If it was not set before, new default
   // instance will be created.
   static LoginUtils* Get();
 
   // Set LoginUtils singleton object for test purpose only!
   static void Set(LoginUtils* ptr);
 
   // Checks if the given username is whitelisted and allowed to sign-in to
   // this device. |wildcard_match| may be NULL. If it's present, it'll be set to
   // true if the whitelist check was satisfied via a wildcard.
   static bool IsWhitelisted(const std::string& username, bool* wildcard_match);
 
   virtual ~LoginUtils() {}
 
   // Thin wrapper around StartupBrowserCreator::LaunchBrowser().  Meant to be
   // used in a Task posted to the UI thread.  Once the browser is launched the
   // login host is deleted.
   virtual void DoBrowserLaunch(Profile* profile,
                                LoginDisplayHost* login_host) = 0;
 
   // Loads and prepares profile for the session. Fires |delegate| in the end.
+  // If |display_email| is not empty, user's displayed email will be set to
+  // this value, shown in UI.
   // |user_context.username_hash| defines when user homedir is mounted.
   // Also see DelegateDeleted method.
   // If |has_active_session| is true than this is a case of restoring user
   // session after browser crash so no need to start new session.
   virtual void PrepareProfile(
       const UserContext& user_context,
+      const std::string& display_email,
       bool has_cookies,
       bool has_active_session,
       Delegate* delegate) = 0;
 
   // Invalidates |delegate|, which was passed to PrepareProfile method call.
   virtual void DelegateDeleted(Delegate* delegate) = 0;
 
   // Invoked after the tmpfs is successfully mounted.
   // Asks session manager to restart Chrome in Browse Without Sign In mode.
   // |start_url| is url for launched browser to open.
   virtual void CompleteOffTheRecordLogin(const GURL& start_url) = 0;
 
+  // Invoked when the user is logging in for the first time, or is logging in as
+  // a guest user.
+  virtual void SetFirstLoginPrefs(PrefService* prefs) = 0;
+
   // Creates and returns the authenticator to use.
   // Before WebUI login (Up to R14) the caller owned the returned
   // Authenticator instance and had to delete it when done.
   // New instance was created on each new login attempt.
   // Starting with WebUI login (R15) single Authenticator instance is used for
   // entire login process, even for multiple retries. Authenticator instance
   // holds reference to login profile and is later used during fetching of
   // OAuth tokens.
   // TODO(nkostylev): Cleanup after WebUI login migration is complete.
   virtual scoped_refptr<Authenticator> CreateAuthenticator(
       LoginStatusConsumer* consumer) = 0;
+
+  // Restores authentication session after crash.
+  virtual void RestoreAuthenticationSession(Profile* profile) = 0;
+
+  // Initialize RLZ.
+  virtual void InitRlzDelayed(Profile* user_profile) = 0;
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_UTILS_H_