kiosk: Defer app update until platform matches

chrome/browser/chromeos/app_mode/startup_app_launcher.h

Index: chrome/browser/chromeos/app_mode/startup_app_launcher.h
diff --git a/chrome/browser/chromeos/app_mode/startup_app_launcher.h b/chrome/browser/chromeos/app_mode/startup_app_launcher.h
index 4f4770bd79146ffec4b2f67382f310def72e34df..49a7f62b79b6129b3608c54feb0d6a696e806854 100644
--- a/chrome/browser/chromeos/app_mode/startup_app_launcher.h
+++ b/chrome/browser/chromeos/app_mode/startup_app_launcher.h
@@ -90,7 +90,7 @@ class StartupAppLauncher : public base::SupportsWeakPtr<StartupAppLauncher>,
 
   void BeginInstall();
   void OnReadyToLaunch();
-  void UpdateAppData();
+  void MaybeUpdateAppData();
 
   void InitializeTokenService();
   void MaybeInitializeNetwork();
@@ -115,6 +115,9 @@ class StartupAppLauncher : public base::SupportsWeakPtr<StartupAppLauncher>,
   // Returns true if secondary apps are declared in manifest.
   bool HasSecondaryApps() const;
 
+  // Returns true if the primary app has a pending update.
+  bool PrimaryAppHasPendingUpdate() const;
+
   // Returns true if the app with |id| failed, and it is the primary or one of
   // the secondary apps.
   bool DidPrimaryOrSecondaryAppFailedToInstall(bool success,