Consolidate AppControllDelegate to ExtensionsDelegate

athena/content/public/app_registry.h

 // Copyright 2014 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 ATHENA_CONTENT_PUBLIC_APP_REGISTRY_H_
 #define ATHENA_CONTENT_PUBLIC_APP_REGISTRY_H_
 
 #include <string>
 #include <vector>
 
 #include "athena/athena_export.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 
 namespace content {
 class BrowserContext;
 }
 
 namespace athena {
 
 class AppActivityRegistry;
-class AppContentControlDelegate;
 class AppRegistryImpl;
 
 // This class holds for each application, held by a user, a list of activities.
 // The list of activities can be retrieved as |AppActivityRegistry|. It is used
 // to associate activities with applications and allow the resource manager to
 // (re)start and stop applications.
 class ATHENA_EXPORT AppRegistry {
  public:
   // Creates the AppRegistry instance.
   static void Create();
 
   // Gets the instance of the controller.
   static AppRegistry* Get();
 
   // Shuts down the registry (all applications should be shut down by then).
   static void ShutDown();
 
-  // Overrides the used AppContentDelegate. This function will own it
-  // afterwards. A value of NULL is invalid.
-  virtual void SetDelegate(AppContentControlDelegate* delegate) = 0;
-
-  // Retrieves the application content delegate. The ownership remains with this
-  // class.
-  virtual AppContentControlDelegate* GetDelegate() = 0;
-
   // Returns an |AppActivityRegistry| for a given activity |app_id| and
   // |browser_context|.
   virtual AppActivityRegistry* GetAppActivityRegistry(
       const std::string& app_id,
       content::BrowserContext* browser_context) = 0;
 
   // Returns the number of registered applications.
   virtual int NumberOfApplications() const = 0;
 
  protected:
   // Only the |AppActivityRegistry| can remove itself.
   friend AppActivityRegistry;
 
   // Removes an activity registry for an application from the list of known
   // applications.
   virtual void RemoveAppActivityRegistry(AppActivityRegistry* registry) = 0;
 
   // Constructor and destructor can only be called by the implementing class.
   AppRegistry();
   virtual ~AppRegistry();
 };
 
 }  // namespace athena
 
 #endif  // ATHENA_CONTENT_PUBLIC_APP_REGISTRY_H_