Install and launch kiosk app from cached crx file at start up.

chrome/browser/chromeos/app_mode/kiosk_app_manager.h

Index: chrome/browser/chromeos/app_mode/kiosk_app_manager.h
diff --git a/chrome/browser/chromeos/app_mode/kiosk_app_manager.h b/chrome/browser/chromeos/app_mode/kiosk_app_manager.h
index 7a9fe670717e657fafc2c94aacf44af4e7e58c44..501cf7a7448ab7c10954670d62093a676eb5b84a 100644
--- a/chrome/browser/chromeos/app_mode/kiosk_app_manager.h
+++ b/chrome/browser/chromeos/app_mode/kiosk_app_manager.h
@@ -150,6 +150,20 @@ class KioskAppManager : public KioskAppDataDelegate,
                                 Profile* profile,
                                 const extensions::Extension* app);
 
+  // Gets the file path and version information of the cached crx with |app_id|.
+  // Returns true if the app is found in cache.
+  bool GetCachedCrx(const std::string& app_id,
+                    base::FilePath* file_path,
+                    std::string* version);
+
+  // Returns true if the extension with |id| is pending for caching crx file
+  // for the first time.
+  bool IsExtensionPendingForCache(const std::string& id);
+
+  // Returns true if the extensions with |id| is pending for update check.
+  // The crx file fo the extension has been cached previously.
+  bool IsExtensionPendingForUpdateCheck(const std::string& id);
+
   void AddObserver(KioskAppManagerObserver* observer);
   void RemoveObserver(KioskAppManagerObserver* observer);
 
@@ -176,7 +190,7 @@ class KioskAppManager : public KioskAppDataDelegate,
   const KioskAppData* GetAppData(const std::string& app_id) const;
   KioskAppData* GetAppDataMutable(const std::string& app_id);
 
-  // Update app data |apps_| based on CrosSettings.
+  // Updates app data |apps_| based on CrosSettings.
   void UpdateAppData();
 
   // KioskAppDataDelegate overrides:
@@ -214,10 +228,6 @@ class KioskAppManager : public KioskAppDataDelegate,
 
   void GetCrxCacheDir(base::FilePath* cache_dir);
 
-  bool GetCachedCrx(const std::string& app_id,
-                    base::FilePath* file_path,
-                    std::string* version);
-
   // True if machine ownership is already established.
   bool ownership_established_;
   ScopedVector<KioskAppData> apps_;