Merge 244632 "kiosk: Do update check during launch."

chrome/browser/chromeos/app_mode/startup_app_launcher.h

Index: chrome/browser/chromeos/app_mode/startup_app_launcher.h
===================================================================
--- chrome/browser/chromeos/app_mode/startup_app_launcher.h	(revision 246680)
+++ chrome/browser/chromeos/app_mode/startup_app_launcher.h	(working copy)
@@ -73,12 +73,25 @@
     std::string client_secret;
   };
 
+  // A class to check if the app has an update. It invokes BeginInstall
+  // if the app is not installed or not up-to-date. Otherwise, it invokes
+  // OnReadyToLaunch.
+  class AppUpdateChecker;
+
   void OnLaunchSuccess();
   void OnLaunchFailure(KioskAppLaunchError::Error error);
 
+  void MaybeInstall();
+
+  // Callbacks from AppUpdateChecker
+  void OnUpdateCheckNotInstalled();
+  void OnUpdateCheckUpdateAvailable();
+  void OnUpdateCheckNoUpdate();
+
   void BeginInstall();
   void InstallCallback(bool success, const std::string& error);
   void OnReadyToLaunch();
+  void UpdateAppData();
 
   void InitializeTokenService();
   void InitializeNetwork();
@@ -103,6 +116,8 @@
   scoped_refptr<extensions::WebstoreStandaloneInstaller> installer_;
   KioskOAuthParams auth_params_;
 
+  scoped_ptr<AppUpdateChecker> update_checker_;
+
   DISALLOW_COPY_AND_ASSIGN(StartupAppLauncher);
 };