Move ExtensionSystem into extensions namespace

chrome/browser/extensions/extension_system.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_EXTENSION_SYSTEM_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_H_
 #pragma once
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/profiles/profile_keyed_service.h"
 #include "chrome/common/extensions/extension_constants.h"
 
 class ExtensionDevToolsManager;
 class ExtensionEventRouter;
 class ExtensionInfoMap;
 class ExtensionMessageService;
 class ExtensionNavigationObserver;
 class ExtensionProcessManager;
 class ExtensionService;
 class Profile;
 class UserScriptMaster;
 
 namespace extensions {
 class AlarmManager;
 class Extension;
 class ExtensionPrefs;
+class ExtensionSystemSharedFactory;
 class LazyBackgroundTaskQueue;
 class ManagementPolicy;
 class RulesRegistryService;
 class StateStore;
-}
 
 // The ExtensionSystem manages the creation and destruction of services
 // related to extensions. Most objects are shared between normal
 // and incognito Profiles, except as called out in comments.
 // This interface supports using TestExtensionSystem for TestingProfiles
 // that don't want all of the extensions baggage in their tests.
 class ExtensionSystem : public ProfileKeyedService {
  public:
   ExtensionSystem();
   virtual ~ExtensionSystem();
 
   // Returns the instance for the given profile, or NULL if none. This is
   // a convenience wrapper around ExtensionSystemFactory::GetForProfile.
   static ExtensionSystem* Get(Profile* profile);
 
   // ProfileKeyedService implementation.
   virtual void Shutdown() OVERRIDE {}
 
   // Initializes extensions machinery.
   // Component extensions are always enabled, external and user extensions
   // are controlled by |extensions_enabled|.
   virtual void Init(bool extensions_enabled) = 0;
 
   // The ExtensionService is created at startup.
   virtual ExtensionService* extension_service() = 0;
 
   // The class controlling whether users are permitted to perform certain
   // actions on extensions (install, uninstall, disable, etc.).
   // The ManagementPolicy is created at startup.
-  virtual extensions::ManagementPolicy* management_policy() = 0;
+  virtual ManagementPolicy* management_policy() = 0;
 
   //  The ExtensionDevToolsManager is created at startup.
   virtual ExtensionDevToolsManager* devtools_manager() = 0;
 
   // The UserScriptMaster is created at startup.
   virtual UserScriptMaster* user_script_master() = 0;
 
   // The ExtensionProcessManager is created at startup.
   virtual ExtensionProcessManager* process_manager() = 0;
 
   // The AlarmManager is created at startup.
-  virtual extensions::AlarmManager* alarm_manager() = 0;
+  virtual AlarmManager* alarm_manager() = 0;
 
   // The StateStore is created at startup.
-  virtual extensions::StateStore* state_store() = 0;
+  virtual StateStore* state_store() = 0;
 
   // Returns the IO-thread-accessible extension data.
   virtual ExtensionInfoMap* info_map() = 0;
 
   // The LazyBackgroundTaskQueue is created at startup.
-  virtual extensions::LazyBackgroundTaskQueue* lazy_background_task_queue() = 0;
+  virtual LazyBackgroundTaskQueue* lazy_background_task_queue() = 0;
 
   // The ExtensionMessageService is created at startup.
   virtual ExtensionMessageService* message_service() = 0;
 
   // The ExtensionEventRouter is created at startup.
   virtual ExtensionEventRouter* event_router() = 0;
 
   // The RulesRegistryService is created at startup.
-  virtual extensions::RulesRegistryService* rules_registry_service() = 0;
+  virtual RulesRegistryService* rules_registry_service() = 0;
 
   // Called by the ExtensionService that lives in this system. Gives the
   // info map a chance to react to the load event before the EXTENSION_LOADED
   // notification has fired. The purpose for handling this event first is to
   // avoid race conditions by making sure URLRequestContexts learn about new
   // extensions before anything else needs them to know.
   virtual void RegisterExtensionWithRequestContexts(
-      const extensions::Extension* extension) {}
+      const Extension* extension) {}
 
   // Called by the ExtensionService that lives in this system. Lets the
   // info map clean up its RequestContexts once all the listeners to the
   // EXTENSION_UNLOADED notification have finished running.
   virtual void UnregisterExtensionWithRequestContexts(
       const std::string& extension_id,
       const extension_misc::UnloadedExtensionReason reason) {}
 };
 
 // The ExtensionSystem for ProfileImpl and OffTheRecordProfileImpl.
 // Implementation details: non-shared services are owned by
 // ExtensionSystemImpl, a ProfileKeyedService with separate incognito
 // instances. A private Shared class (also a ProfileKeyedService,
 // but with a shared instance for incognito) keeps the common services.
 class ExtensionSystemImpl : public ExtensionSystem {
  public:
   explicit ExtensionSystemImpl(Profile* profile);
   virtual ~ExtensionSystemImpl();
 
   // ProfileKeyedService implementation.
   virtual void Shutdown() OVERRIDE;
 
   virtual void Init(bool extensions_enabled) OVERRIDE;
 
   virtual ExtensionService* extension_service() OVERRIDE;  // shared
-  virtual extensions::ManagementPolicy* management_policy() OVERRIDE;  // shared
+  virtual ManagementPolicy* management_policy() OVERRIDE;  // shared
   virtual UserScriptMaster* user_script_master() OVERRIDE;  // shared
   virtual ExtensionDevToolsManager* devtools_manager() OVERRIDE;
   virtual ExtensionProcessManager* process_manager() OVERRIDE;
-  virtual extensions::AlarmManager* alarm_manager() OVERRIDE;
-  virtual extensions::StateStore* state_store() OVERRIDE;
-  virtual extensions::LazyBackgroundTaskQueue* lazy_background_task_queue()
+  virtual AlarmManager* alarm_manager() OVERRIDE;
+  virtual StateStore* state_store() OVERRIDE;
+  virtual LazyBackgroundTaskQueue* lazy_background_task_queue()
       OVERRIDE;  // shared
   virtual ExtensionInfoMap* info_map() OVERRIDE;  // shared
   virtual ExtensionMessageService* message_service() OVERRIDE;  // shared
   virtual ExtensionEventRouter* event_router() OVERRIDE;  // shared
   // The RulesRegistryService is created at startup.
-  virtual extensions::RulesRegistryService* rules_registry_service()
+  virtual RulesRegistryService* rules_registry_service()
       OVERRIDE;  // shared
 
   virtual void RegisterExtensionWithRequestContexts(
-      const extensions::Extension* extension) OVERRIDE;
+      const Extension* extension) OVERRIDE;
 
   virtual void UnregisterExtensionWithRequestContexts(
       const std::string& extension_id,
       const extension_misc::UnloadedExtensionReason reason) OVERRIDE;
 
  private:
   friend class ExtensionSystemSharedFactory;
 
   // Owns the Extension-related systems that have a single instance
   // shared between normal and incognito profiles.
   class Shared : public ProfileKeyedService {
    public:
     explicit Shared(Profile* profile);
     virtual ~Shared();
 
     // Initialization takes place in phases.
     virtual void InitPrefs();
     // This must not be called until all the providers have been created.
     void RegisterManagementPolicyProviders();
     void InitInfoMap();
     void Init(bool extensions_enabled);
 
-    extensions::StateStore* state_store();
+    StateStore* state_store();
     ExtensionService* extension_service();
-    extensions::ManagementPolicy* management_policy();
+    ManagementPolicy* management_policy();
     UserScriptMaster* user_script_master();
     ExtensionInfoMap* info_map();
-    extensions::LazyBackgroundTaskQueue* lazy_background_task_queue();
+    LazyBackgroundTaskQueue* lazy_background_task_queue();
     ExtensionMessageService* message_service();
     ExtensionEventRouter* event_router();
-    extensions::RulesRegistryService* rules_registry_service();
+    RulesRegistryService* rules_registry_service();
 
    private:
     Profile* profile_;
 
     // The services that are shared between normal and incognito profiles.
 
-    scoped_ptr<extensions::StateStore> state_store_;
-    scoped_ptr<extensions::ExtensionPrefs> extension_prefs_;
+    scoped_ptr<StateStore> state_store_;
+    scoped_ptr<ExtensionPrefs> extension_prefs_;
     // ExtensionService depends on the 2 above.
     scoped_ptr<ExtensionService> extension_service_;
-    scoped_ptr<extensions::ManagementPolicy> management_policy_;
+    scoped_ptr<ManagementPolicy> management_policy_;
     scoped_refptr<UserScriptMaster> user_script_master_;
     // extension_info_map_ needs to outlive extension_process_manager_.
     scoped_refptr<ExtensionInfoMap> extension_info_map_;
     // This is a dependency of ExtensionMessageService and ExtensionEventRouter.
-    scoped_ptr<extensions::LazyBackgroundTaskQueue> lazy_background_task_queue_;
+    scoped_ptr<LazyBackgroundTaskQueue> lazy_background_task_queue_;
     scoped_ptr<ExtensionMessageService> extension_message_service_;
     scoped_ptr<ExtensionEventRouter> extension_event_router_;
     scoped_ptr<ExtensionNavigationObserver> extension_navigation_observer_;
-    scoped_ptr<extensions::RulesRegistryService> rules_registry_service_;
+    scoped_ptr<RulesRegistryService> rules_registry_service_;
   };
 
   Profile* profile_;
 
   Shared* shared_;
 
   // The services that have their own instances in incognito.
   scoped_refptr<ExtensionDevToolsManager> extension_devtools_manager_;
   // |extension_process_manager_| must be destroyed before the Profile's
   // |io_data_|. While |extension_process_manager_| still lives, we handle
   // incoming resource requests from extension processes and those require
   // access to the ResourceContext owned by |io_data_|.
   scoped_ptr<ExtensionProcessManager> extension_process_manager_;
-  scoped_ptr<extensions::AlarmManager> alarm_manager_;
+  scoped_ptr<AlarmManager> alarm_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionSystemImpl);
 };
 
+}  // namespace extensions
+
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_H_