Implement kiosk multiple apps feature.

chrome/browser/chromeos/app_mode/startup_app_launcher.h

 // Copyright 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_APP_MODE_STARTUP_APP_LAUNCHER_H_
 #define CHROME_BROWSER_CHROMEOS_APP_MODE_STARTUP_APP_LAUNCHER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 73 matching lines @@
 
   void OnLaunchSuccess();
   void OnLaunchFailure(KioskAppLaunchError::Error error);
 
   void BeginInstall();
   void OnReadyToLaunch();
   void UpdateAppData();
 
   void InitializeTokenService();
   void MaybeInitializeNetwork();
+  void MaybeInstallSecondaryApps();
   void MaybeLaunchApp();
 
   void StartLoadingOAuthFile();
   static void LoadOAuthFileOnBlockingPool(KioskOAuthParams* auth_params);
   void OnOAuthFileLoaded(KioskOAuthParams* auth_params);
 
   void OnKioskAppDataLoadStatusChanged(const std::string& app_id);
 
+  // Returns true if any secondary app is pending.
+  bool IsAnySecondaryAppPending() const;
+
+  // Returns true if all secondary apps have been installed.
+  bool AreSecondaryAppsInstalled() const;
+
+  // Returns true if there are secondary apps.
+  bool HaveSecondaryApps() const;
+
+  const extensions::Extension* GetPrimaryAppExtension() const;
+
   // OAuth2TokenService::Observer overrides.
   void OnRefreshTokenAvailable(const std::string& account_id) override;
   void OnRefreshTokensLoaded() override;
 
   // extensions::InstallObserver overrides.
   void OnFinishCrxInstall(const std::string& extension_id,
                           bool success) override;
 
   // KioskAppManagerObserver overrides.
   void OnKioskExtensionLoadedInCache(const std::string& app_id) override;
   void OnKioskExtensionDownloadFailed(const std::string& app_id) override;
 
   Profile* profile_;
   const std::string app_id_;
   const bool diagnostic_mode_;
   Delegate* delegate_;
   bool network_ready_handled_;
   int launch_attempt_;
   bool ready_to_launch_;
   bool wait_for_crx_update_;
 
   KioskOAuthParams auth_params_;
 
   DISALLOW_COPY_AND_ASSIGN(StartupAppLauncher);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_APP_MODE_STARTUP_APP_LAUNCHER_H_