[Extensions] Remove the prompt to re-enable app when visiting its site

chrome/browser/extensions/navigation_observer.h

Index: chrome/browser/extensions/navigation_observer.h
diff --git a/chrome/browser/extensions/navigation_observer.h b/chrome/browser/extensions/navigation_observer.h
index 44b2a2f5c1e0502aa55c706e68080b7db967007e..e8623bfea8a2478a9693d1ff98e2ab7d4d4506ce 100644
--- a/chrome/browser/extensions/navigation_observer.h
+++ b/chrome/browser/extensions/navigation_observer.h
@@ -40,6 +40,10 @@ class NavigationObserver : public content::NotificationObserver,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
+  // Allows showing the prompt for the same extensions multiple times in a
+  // session.
+  static void SetAllowedRepeatedPromptingForTesting(bool allowed);
+
  private:
   // Registers for the NOTIFICATION_NAV_ENTRY_COMMITTED notification.
   void RegisterForNotifications();