Added login screen mode for adding users into session.

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

 // Copyright (c) 2013 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.
 
 #include "chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 373 matching lines @@
   builder->Add("podMenuButtonAccessibleName",
                IDS_LOGIN_POD_MENU_BUTTON_ACCESSIBLE_NAME);
   builder->Add("podMenuRemoveItemAccessibleName",
                IDS_LOGIN_POD_MENU_REMOVE_ITEM_ACCESSIBLE_NAME);
   builder->Add("passwordFieldAccessibleName",
                IDS_LOGIN_POD_PASSWORD_FIELD_ACCESSIBLE_NAME);
   builder->Add("signedIn", IDS_SCREEN_LOCK_ACTIVE_USER);
   builder->Add("signinButton", IDS_LOGIN_BUTTON);
   builder->Add("shutDown", IDS_SHUTDOWN_BUTTON);
   builder->Add("addUser", IDS_ADD_USER_BUTTON);
+  builder->Add("cancelUserAdding", IDS_CANCEL_USER_ADDING);
   builder->Add("browseAsGuest", IDS_GO_INCOGNITO_BUTTON);
   builder->Add("cancel", IDS_CANCEL);
   builder->Add("signOutUser", IDS_SCREEN_LOCK_SIGN_OUT);
   builder->Add("createAccount", IDS_CREATE_ACCOUNT_HTML);
   builder->Add("guestSignin", IDS_BROWSE_WITHOUT_SIGNING_IN_HTML);
   builder->Add("createLocallyManagedUser",
                IDS_CREATE_LOCALLY_MANAGED_USER_HTML);
   builder->Add("createManagedUserFeatureName",
                IDS_CREATE_LOCALLY_MANAGED_USER_FEATURE_NAME);
   builder->Add("offlineLogin", IDS_OFFLINE_LOGIN_HTML);
@@ skipping 383 matching lines @@
   AddCallback("demoWebuiReady", &SigninScreenHandler::HandleDemoWebuiReady);
   AddCallback("signOutUser", &SigninScreenHandler::HandleSignOutUser);
   AddCallback("userImagesLoaded", &SigninScreenHandler::HandleUserImagesLoaded);
   AddCallback("networkErrorShown",
               &SigninScreenHandler::HandleNetworkErrorShown);
   AddCallback("openProxySettings",
               &SigninScreenHandler::HandleOpenProxySettings);
   AddCallback("loginVisible", &SigninScreenHandler::HandleLoginVisible);
   AddCallback("cancelPasswordChangedFlow",
               &SigninScreenHandler::HandleCancelPasswordChangedFlow);
+  AddCallback("cancelUserAdding",
+              &SigninScreenHandler::HandleCancelUserAdding);
   AddCallback("migrateUserData", &SigninScreenHandler::HandleMigrateUserData);
   AddCallback("resyncUserData", &SigninScreenHandler::HandleResyncUserData);
   AddCallback("loginUIStateChanged",
               &SigninScreenHandler::HandleLoginUIStateChanged);
   AddCallback("unlockOnLoginSuccess",
               &SigninScreenHandler::HandleUnlockOnLoginSuccess);
   AddCallback("frameLoadingCompleted",
               &SigninScreenHandler::HandleFrameLoadingCompleted);
   AddCallback("showLoadingTimeoutError",
               &SigninScreenHandler::HandleShowLoadingTimeoutError);
@@ skipping 601 matching lines @@
   if (preferences_changed_delayed_)
     OnPreferencesChanged();
 }
 
 void SigninScreenHandler::HandleCancelPasswordChangedFlow() {
   StartClearingCookies(base::Bind(
       &SigninScreenHandler::CancelPasswordChangedFlowInternal,
       weak_factory_.GetWeakPtr()));
 }
 
+void SigninScreenHandler::HandleCancelUserAdding() {
+  if (delegate_) {

[Nikita (slow), 2013/05/28 11:34:22]

nit: drop {}

[dzhioev (left Google), 2013/05/29 13:05:04]

Done.

+    delegate_->CancelUserAdding();
+  }
+}
+
 void SigninScreenHandler::HandleMigrateUserData(
     const std::string& old_password) {
   if (delegate_)
     delegate_->MigrateUserData(old_password);
 }
 
 void SigninScreenHandler::HandleResyncUserData() {
   if (delegate_)
     delegate_->ResyncUserData();
 }
@@ skipping 161 matching lines @@
   if (!cros_settings)
     return false;
 
   // Offline login is allowed only when user pods are hidden.
   bool show_pods;
   cros_settings->GetBoolean(kAccountsPrefShowUserNamesOnSignIn, &show_pods);
   return !show_pods;
 }
 
 }  // namespace chromeos