[ChromeOS] Add an extra stage to remove a user in WebUI login.

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

 // Copyright (c) 2011 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/command_line.h"
 #include "base/stringprintf.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
@@ skipping 79 matching lines @@
   localized_strings->SetString("addUserOfflineMessage",
       l10n_util::GetStringUTF16(IDS_LOGIN_ERROR_ADD_USER_OFFLINE));
   localized_strings->SetString("offlineMessageTitle",
       l10n_util::GetStringUTF16(IDS_LOGIN_OFFLINE_TITLE));
   localized_strings->SetString("offlineMessageBody",
       l10n_util::GetStringUTF16(IDS_LOGIN_OFFLINE_MESSAGE));
   localized_strings->SetString("createAccount",
       l10n_util::GetStringUTF16(IDS_CREATE_ACCOUNT_BUTTON));
   localized_strings->SetString("guestSignin",
       l10n_util::GetStringUTF16(IDS_BROWSE_WITHOUT_SIGNING_IN_BUTTON));
+  localized_strings->SetString("removeUser",
+      l10n_util::GetStringUTF16(IDS_LOGIN_REMOVE));
 
   if (extension_driven_)
     localized_strings->SetString("authType", "ext");
   else
     localized_strings->SetString("authType", "webui");
 }
 
 void SigninScreenHandler::Show(bool oobe_ui) {
   oobe_ui_ = oobe_ui;
   if (!page_is_ready()) {
@@ skipping 234 matching lines @@
   base::FundamentalValue animated_value(animated);
   web_ui_->CallJavascriptFunction("login.AccountPickerScreen.loadUsers",
                                   users_list, animated_value);
 }
 
 void SigninScreenHandler::HandleCreateAccount(const base::ListValue* args) {
   delegate_->CreateAccount();
 }
 
 }  // namespace chromeos