Revert of ChromeOS login webui refactoring: split user selection/gaia login screens.

chrome/browser/chromeos/login/ui/login_display.h

 // Copyright 2014 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_UI_LOGIN_DISPLAY_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_UI_LOGIN_DISPLAY_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 113 matching lines @@
                     bool show_new_user) = 0;
 
   // Notifies the login UI that the preferences defining how to visualize it to
   // the user have changed and it needs to refresh.
   virtual void OnPreferencesChanged() = 0;
 
   // Called when user image has been changed.
   // |user| contains updated user.
   virtual void OnUserImageChanged(const User& user) = 0;
 
+  // After this call login display should be ready to be smoothly destroyed
+  // (e.g. hide throbber, etc.).
+  virtual void OnFadeOut() = 0;
+
+  // Called when user is successfully authenticated.
+  virtual void OnLoginSuccess(const std::string& username) = 0;
+
   // Changes enabled state of the UI.
   virtual void SetUIEnabled(bool is_enabled) = 0;
 
+  // Selects user entry with specified |index|.
+  // Does nothing if current user is already selected.
+  virtual void SelectPod(int index) = 0;
+
   // Displays simple error bubble with |error_msg_id| specified.
   // |login_attempts| shows number of login attempts made by current user.
   // |help_topic_id| is additional help topic that is presented as link.
   virtual void ShowError(int error_msg_id,
                          int login_attempts,
                          HelpAppLauncher::HelpTopic help_topic_id) = 0;
 
   // Displays detailed error screen for error with ID |error_id|.
   virtual void ShowErrorScreen(LoginDisplay::SigninError error_id) = 0;
 
@@ skipping 41 matching lines @@
   // in redesigned login stack.
   // Login stack (and this object) will be recreated for next user sign in.
   bool is_signin_completed_;
 
   DISALLOW_COPY_AND_ASSIGN(LoginDisplay);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_UI_LOGIN_DISPLAY_H_