Revert 194578 "Add ash SessionStateDelegate"

trunk/src/chrome/browser/ui/ash/chrome_shell_delegate.h

Index: trunk/src/chrome/browser/ui/ash/chrome_shell_delegate.h
===================================================================
--- trunk/src/chrome/browser/ui/ash/chrome_shell_delegate.h	(revision 194588)
+++ trunk/src/chrome/browser/ui/ash/chrome_shell_delegate.h	(working copy)
@@ -47,9 +47,16 @@
   }
 
   // ash::ShellDelegate overrides;
+  virtual bool IsUserLoggedIn() const OVERRIDE;
+  virtual bool IsSessionStarted() const OVERRIDE;
+  virtual bool IsGuestSession() const OVERRIDE;
   virtual bool IsFirstRunAfterBoot() const OVERRIDE;
   virtual bool IsMultiProfilesEnabled() const OVERRIDE;
   virtual bool IsRunningInForcedAppMode() const OVERRIDE;
+  virtual bool CanLockScreen() const OVERRIDE;
+  virtual void LockScreen() OVERRIDE;
+  virtual void UnlockScreen() OVERRIDE;
+  virtual bool IsScreenLocked() const OVERRIDE;
   virtual void PreInit() OVERRIDE;
   virtual void Shutdown() OVERRIDE;
   virtual void Exit() OVERRIDE;
@@ -82,7 +89,6 @@
   virtual ash::SystemTrayDelegate* CreateSystemTrayDelegate() OVERRIDE;
   virtual ash::UserWallpaperDelegate* CreateUserWallpaperDelegate() OVERRIDE;
   virtual ash::CapsLockDelegate* CreateCapsLockDelegate() OVERRIDE;
-  virtual ash::SessionStateDelegate* CreateSessionStateDelegate() OVERRIDE;
   virtual aura::client::UserActionClient* CreateUserActionClient() OVERRIDE;
   virtual void OpenFeedbackPage() OVERRIDE;
   virtual void RecordUserMetricsAction(ash::UserMetricsAction action) OVERRIDE;