Incorporate comments in Dbus code and add Eol icon

chrome/browser/ui/webui/help/help_handler.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_HELP_HELP_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_HELP_HELP_HANDLER_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
 #include "build/build_config.h"
 #include "chrome/browser/ui/webui/help/version_updater.h"
 #include "components/policy/core/common/policy_service.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/web_ui_message_handler.h"
 
 #if defined(OS_CHROMEOS)
 #include "base/task/cancelable_task_tracker.h"
 #include "chromeos/system/version_loader.h"
+#include "third_party/cros_system_api/dbus/update_engine/dbus-constants.h"
 #endif  // defined(OS_CHROMEOS)
 
 namespace base {
 class DictionaryValue;
 class FilePath;
 class ListValue;
 }
 
 // WebUI message handler for the help page.
 class HelpHandler : public content::WebUIMessageHandler,
@@ skipping 74 matching lines @@
   // text has been found.
   void OnRegulatoryLabelDirFound(const base::FilePath& path);
 
   // Callback for setting the regulatory label source.
   void OnRegulatoryLabelImageFound(const base::FilePath& path);
 
   // Callback for setting the regulatory label alt text.
   void OnRegulatoryLabelTextRead(const std::string& text);
 
   // Callback for setting the eol string text.
-  void OnEolStatus(const int status);
+  void OnEolStatus(update_engine::EndOfLifeStatus status);
 #endif
 
   // Specialized instance of the VersionUpdater used to update the browser.
   std::unique_ptr<VersionUpdater> version_updater_;
 
   // Used to observe notifications.
   content::NotificationRegistrar registrar_;
 
   // Used to observe changes in the |kDeviceAutoUpdateDisabled| policy.
   policy::PolicyChangeRegistrar policy_registrar_;
 
   // Used for callbacks.
   base::WeakPtrFactory<HelpHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(HelpHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_HELP_HELP_HANDLER_H_