Revert 291221 "Athena: Adding basic resource management framewor..."

trunk/src/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_