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

chrome/browser/extensions/navigation_observer.h

 // Copyright (c) 2012 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_EXTENSIONS_NAVIGATION_OBSERVER_H_
 #define CHROME_BROWSER_EXTENSIONS_NAVIGATION_OBSERVER_H_
 
 #include <memory>
 #include <set>
 #include <string>
@@ skipping 22 matching lines @@
                            public ExtensionRegistryObserver {
  public:
   explicit NavigationObserver(Profile* profile);
   ~NavigationObserver() override;
 
   // content::NotificationObserver
   void Observe(int type,
                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();
 
   // Checks if |nav_controller| has entered an extension's web extent. If it
   // has and the extension is disabled due to a permissions increase, this
   // prompts the user to accept the new permissions and enables the extension.
   void PromptToEnableExtensionIfNecessary(
       content::NavigationController* nav_controller);
 
@@ skipping 22 matching lines @@
       extension_registry_observer_;
 
   base::WeakPtrFactory<NavigationObserver> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NavigationObserver);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_NAVIGATION_OBSERVER_H_