kiosk: Do update check during launch.

chrome/browser/chromeos/app_mode/kiosk_app_data.h

Index: chrome/browser/chromeos/app_mode/kiosk_app_data.h
diff --git a/chrome/browser/chromeos/app_mode/kiosk_app_data.h b/chrome/browser/chromeos/app_mode/kiosk_app_data.h
index d685e224955037311bcec798bbfe545cb51bc97d..246a7029061edfdbef89bab24cfad9dbabc4d253 100644
--- a/chrome/browser/chromeos/app_mode/kiosk_app_data.h
+++ b/chrome/browser/chromeos/app_mode/kiosk_app_data.h
@@ -14,14 +14,21 @@
 #include "chrome/browser/extensions/webstore_data_fetcher_delegate.h"
 #include "ui/gfx/image/image_skia.h"
 
+class Profile;
+
 namespace base {
 class RefCountedString;
 }
 
 namespace extensions {
+class Extension;
 class WebstoreDataFetcher;
 }
 
+namespace gfx {
+class Image;
+}
+
 namespace net {
 class URLRequestContextGetter;
 }
@@ -54,6 +61,9 @@ class KioskAppData : public base::SupportsWeakPtr<KioskAppData>,
   // Clears locally cached data.
   void ClearCache();
 
+  // Updates app data from the app installed in the given profile.
+  void UpdateFromProfile(Profile* profile, const extensions::Extension* app);

[Tim Song, 2014/01/13 23:41:08]

nit: I would change the name to LoadFromInstalledApp() for parallelism with the
other Load functions and "Update" is a bit misleading as this function doesn't
need the status to be STATUS_LOADED.

[xiyuan, 2014/01/14 00:15:07]

Done.

+
   // Returns true if web store data fetching is in progress.
   bool IsLoading() const;
 
@@ -81,6 +91,12 @@ class KioskAppData : public base::SupportsWeakPtr<KioskAppData>,
   // Sets the cached data.
   void SetCache(const std::string& name, const base::FilePath& icon_path);
 
+  // Saves the bitmap as cached icon.
+  void SetCachedIcon(const SkBitmap& icon);
+
+  // Callback for extensions::ImageLoader.
+  void OnExtensionIconLoaded(const gfx::Image& icon);
+
   // Callbacks for IconLoader.
   void OnIconLoadSuccess(const scoped_refptr<base::RefCountedString>& raw_icon,
                          const gfx::ImageSkia& icon);