Revert r48735 "Added user image screen for new user login (or old user logging in through"

chrome/browser/chromeos/login/screen_observer.h

 // Copyright (c) 2010 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_SCREEN_OBSERVER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREEN_OBSERVER_H_
 
 #include <string>
 
 namespace chromeos {
@@ skipping 13 matching lines @@
     LOGIN_CREATE_ACCOUNT,
     NETWORK_CONNECTED,
     NETWORK_OFFLINE,
     ACCOUNT_CREATE_BACK,
     ACCOUNT_CREATED,
     CONNECTION_FAILED,
     UPDATE_INSTALLED,
     UPDATE_NOUPDATE,
     UPDATE_ERROR_CHECKING_FOR_UPDATE,
     UPDATE_ERROR_UPDATING,
-    USER_IMAGE_SELECTED,
-    USER_IMAGE_SKIPPED,
     EXIT_CODES_COUNT  // not a real code, must be the last
   };
 
   // Method called by a screen when user's done with it.
   virtual void OnExit(ExitCodes exit_code) = 0;
 
   // Notify about new user names and password. It is used to autologin
   // just created user without asking the same info once again.
   virtual void OnSetUserNamePassword(const std::string& username,
                                      const std::string& password) = 0;
 
  protected:
   virtual ~ScreenObserver() {}
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREEN_OBSERVER_H_