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

chrome/browser/chromeos/login/login_utils.h

Index: chrome/browser/chromeos/login/login_utils.h
diff --git a/chrome/browser/chromeos/login/login_utils.h b/chrome/browser/chromeos/login/login_utils.h
index 4867cc29c60768670e3b01af839527aeb28651fb..bda1e0a9413699cbe176d3da33494a43d5015149 100644
--- a/chrome/browser/chromeos/login/login_utils.h
+++ b/chrome/browser/chromeos/login/login_utils.h
@@ -10,6 +10,7 @@
 #include "base/memory/ref_counted.h"
 
 class GURL;
+class PrefRegistrySimple;
 class PrefService;
 class Profile;
 
@@ -33,11 +34,14 @@
 
 #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.
@@ -60,12 +64,15 @@
                                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;
@@ -78,6 +85,10 @@
   // |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.
@@ -89,6 +100,12 @@
   // 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