Move command handling and updating off Browser and onto a helper object.

chrome/browser/ui/webui/options2/chromeos/cros_language_options_handler2.cc

 // Copyright (c) 2012 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/options2/chromeos/cros_language_options_handler2.h"
 
 #include <map>
 #include <set>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/i18n/rtl.h"
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/input_method/input_method_manager.h"
 #include "chrome/browser/chromeos/input_method/input_method_util.h"
+#include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
@@ skipping 176 matching lines @@
 }
 
 void CrosLanguageOptionsHandler::SetApplicationLocale(
     const std::string& language_code) {
   Profile::FromWebUI(web_ui())->ChangeAppLocale(
       language_code, Profile::APP_LOCALE_CHANGED_VIA_SETTINGS);
 }
 
 void CrosLanguageOptionsHandler::RestartCallback(const ListValue* args) {
   content::RecordAction(UserMetricsAction("LanguageOptions_SignOut"));
-
-  Browser* browser = browser::FindBrowserWithWebContents(
-      web_ui()->GetWebContents());
-  if (browser)
-    browser->ExecuteCommand(IDC_EXIT);
+  browser::AttemptUserExit();
 }
 
 void CrosLanguageOptionsHandler::InputMethodDisableCallback(
     const ListValue* args) {
   const std::string input_method_id = UTF16ToASCII(ExtractStringValue(args));
   const std::string action = base::StringPrintf(
       "LanguageOptions_DisableInputMethod_%s", input_method_id.c_str());
   content::RecordComputedAction(action);
 }
 
 void CrosLanguageOptionsHandler::InputMethodEnableCallback(
     const ListValue* args) {
   const std::string input_method_id = UTF16ToASCII(ExtractStringValue(args));
   const std::string action = base::StringPrintf(
       "LanguageOptions_EnableInputMethod_%s", input_method_id.c_str());
   content::RecordComputedAction(action);
 }
 
 void CrosLanguageOptionsHandler::InputMethodOptionsOpenCallback(
     const ListValue* args) {
   const std::string input_method_id = UTF16ToASCII(ExtractStringValue(args));
   const std::string action = base::StringPrintf(
       "InputMethodOptions_Open_%s", input_method_id.c_str());
   content::RecordComputedAction(action);
 }
 
 }  // namespace options2
 }  // namespace chromeos