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

chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h

Index: chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
diff --git a/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h b/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
index d283d0f974cc154381d32b8400c8208b5384e9d7..134f911ddc5221ac6bdf2b72b9fa3ff0d5da1846 100644
--- a/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
+++ b/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
@@ -91,6 +91,10 @@ class LoginDisplayWebUIHandler {
   // Show sign-in screen for the given credentials.
   virtual void ShowSigninScreenForCreds(const std::string& username,
                                         const std::string& password) = 0;
+  virtual void LoadUsers(const base::ListValue& users_list,
+                         bool animated,
+                         bool show_guest) = 0;
+
  protected:
   virtual ~LoginDisplayWebUIHandler() {}
 };
@@ -169,9 +173,6 @@ class SigninScreenHandlerDelegate {
   // Public sessions are always shown.
   virtual bool IsShowUsers() const = 0;
 
-  // Whether new user pod is available.
-  virtual bool IsShowNewUser() const = 0;
-
   // Returns true if sign in is in progress.
   virtual bool IsSigninInProgress() const = 0;
 
@@ -189,6 +190,18 @@ class SigninScreenHandlerDelegate {
   virtual void LoginAsKioskApp(const std::string& app_id,
                                bool diagnostic_mode) = 0;
 
+  // Request to (re)load user list.
+  virtual void HandleGetUsers() = 0;
+
+  // Set authentication type (for easier unlocking).
+  virtual void SetAuthType(
+      const std::string& username,
+      ScreenlockBridge::LockHandler::AuthType auth_type) = 0;
+
+  // Get authentication type (for easier unlocking).
+  virtual ScreenlockBridge::LockHandler::AuthType GetAuthType(
+      const std::string& username) const = 0;
+
  protected:
   virtual ~SigninScreenHandlerDelegate() {}
 };
@@ -288,6 +301,9 @@ class SigninScreenHandler
   virtual void ShowErrorScreen(LoginDisplay::SigninError error_id) OVERRIDE;
   virtual void ShowSigninScreenForCreds(const std::string& username,
                                         const std::string& password) OVERRIDE;
+  virtual void LoadUsers(const base::ListValue& users_list,
+                         bool animated,
+                         bool show_guest) OVERRIDE;
 
   // ui::EventHandler implementation:
   virtual void OnKeyEvent(ui::KeyEvent* key) OVERRIDE;
@@ -376,17 +392,6 @@ class SigninScreenHandler
   void HandleLaunchKioskApp(const std::string& app_id, bool diagnostic_mode);
   void HandleRetrieveAuthenticatedUserEmail(double attempt_token);
 
-  // Fills |user_dict| with information about |user|.
-  static void FillUserDictionary(
-      User* user,
-      bool is_owner,
-      bool is_signin_to_add,
-      ScreenlockBridge::LockHandler::AuthType auth_type,
-      base::DictionaryValue* user_dict);
-
-  // Sends user list to account picker.
-  void SendUserList(bool animated);
-
   // Kick off cookie / local storage cleanup.
   void StartClearingCookies(const base::Closure& on_clear_callback);
   void OnCookiesCleared(base::Closure on_clear_callback);
@@ -537,11 +542,6 @@ class SigninScreenHandler
 
   base::Closure kiosk_enable_flow_aborted_callback_for_test_;
 
-  // Map of usernames to their current authentication type. If a user is not
-  // contained in the map, it is using the default authentication type.
-  std::map<std::string, ScreenlockBridge::LockHandler::AuthType>
-      user_auth_type_map_;
-
   // Non-owning ptr.
   // TODO (ygorshenin@): remove this dependency.
   GaiaScreenHandler* gaia_screen_handler_;