Take extensions out of Profile into a profile-keyed service, ExtensionSystem.

chrome/browser/profiles/profile_impl.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.
 
 // This class gathers state related to a single user profile.
 
 #ifndef CHROME_BROWSER_PROFILES_PROFILE_IMPL_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_IMPL_H_
 #pragma once
 
 #include <string>
 
 #include "base/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/timer.h"
 #include "chrome/browser/prefs/pref_change_registrar.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_impl_io_data.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class ExtensionNavigationObserver;
-class ExtensionPrefs;
 class ExtensionPrefValueMap;
+class ExtensionSystem;
 class NetPrefObserver;
 class PrefService;
 class PromoResourceService;
 class SpeechInputPreferences;
 class SSLConfigServiceManager;
 class VisitedLinkEventListener;
 
 #if defined(OS_CHROMEOS)
 namespace chromeos {
 class EnterpriseExtensionObserver;
@@ skipping 33 matching lines @@
   // Profile implementation:
   virtual std::string GetProfileName() OVERRIDE;
   virtual bool IsOffTheRecord() OVERRIDE;
   virtual Profile* GetOffTheRecordProfile() OVERRIDE;
   virtual void DestroyOffTheRecordProfile() OVERRIDE;
   virtual bool HasOffTheRecordProfile() OVERRIDE;
   virtual Profile* GetOriginalProfile() OVERRIDE;
   virtual history::TopSites* GetTopSites() OVERRIDE;
   virtual history::TopSites* GetTopSitesWithoutCreating() OVERRIDE;
   virtual VisitedLinkMaster* GetVisitedLinkMaster() OVERRIDE;
+  virtual ExtensionService* GetExtensionService() OVERRIDE;
   virtual UserScriptMaster* GetUserScriptMaster() OVERRIDE;
-  virtual ExtensionService* GetExtensionService() OVERRIDE;
-  virtual ExtensionDevToolsManager* GetExtensionDevToolsManager() OVERRIDE;
   virtual ExtensionProcessManager* GetExtensionProcessManager() OVERRIDE;
-  virtual ExtensionMessageService* GetExtensionMessageService() OVERRIDE;
   virtual ExtensionEventRouter* GetExtensionEventRouter() OVERRIDE;
   virtual ExtensionSpecialStoragePolicy*
       GetExtensionSpecialStoragePolicy() OVERRIDE;
   virtual FaviconService* GetFaviconService(ServiceAccessType sat) OVERRIDE;
   virtual GAIAInfoUpdateService* GetGAIAInfoUpdateService() OVERRIDE;
   virtual HistoryService* GetHistoryService(ServiceAccessType sat) OVERRIDE;
   virtual HistoryService* GetHistoryServiceWithoutCreating() OVERRIDE;
   virtual AutocompleteClassifier* GetAutocompleteClassifier() OVERRIDE;
   virtual history::ShortcutsBackend* GetShortcutsBackend() OVERRIDE;
   virtual WebDataService* GetWebDataService(ServiceAccessType sat) OVERRIDE;
   virtual WebDataService* GetWebDataServiceWithoutCreating() OVERRIDE;
   virtual PasswordStore* GetPasswordStore(ServiceAccessType sat) OVERRIDE;
   virtual PrefService* GetPrefs() OVERRIDE;
   virtual PrefService* GetOffTheRecordPrefs() OVERRIDE;
   virtual TemplateURLFetcher* GetTemplateURLFetcher() OVERRIDE;
   virtual net::URLRequestContextGetter*
       GetRequestContextForExtensions() OVERRIDE;
   virtual net::URLRequestContextGetter* GetRequestContextForIsolatedApp(
       const std::string& app_id) OVERRIDE;
-  virtual void RegisterExtensionWithRequestContexts(
-      const Extension* extension) OVERRIDE;
-  virtual void UnregisterExtensionWithRequestContexts(
-      const std::string& extension_id,
-      const extension_misc::UnloadedExtensionReason reason) OVERRIDE;
   virtual net::SSLConfigService* GetSSLConfigService() OVERRIDE;
   virtual HostContentSettingsMap* GetHostContentSettingsMap() OVERRIDE;
   virtual UserStyleSheetWatcher* GetUserStyleSheetWatcher() OVERRIDE;
   virtual bool DidLastSessionExitCleanly() OVERRIDE;
   virtual BookmarkModel* GetBookmarkModel() OVERRIDE;
   virtual ProtocolHandlerRegistry* GetProtocolHandlerRegistry() OVERRIDE;
   virtual bool IsSameProfile(Profile* profile) OVERRIDE;
   virtual base::Time GetStartTime() const OVERRIDE;
   virtual void MarkAsCleanShutdown() OVERRIDE;
-  virtual void InitExtensions(bool extensions_enabled) OVERRIDE;
   virtual void InitPromoResources() OVERRIDE;
   virtual void InitRegisteredProtocolHandlers() OVERRIDE;
   virtual FilePath last_selected_directory() OVERRIDE;
   virtual void set_last_selected_directory(const FilePath& path) OVERRIDE;
   virtual TokenService* GetTokenService() OVERRIDE;
-  virtual ExtensionInfoMap* GetExtensionInfoMap() OVERRIDE;
   virtual PromoCounter* GetInstantPromoCounter() OVERRIDE;
   virtual ChromeURLDataManager* GetChromeURLDataManager() OVERRIDE;
   virtual chrome_browser_net::Predictor* GetNetworkPredictor() OVERRIDE;
   virtual void ClearNetworkingHistorySince(base::Time time) OVERRIDE;
   virtual GURL GetHomePage() OVERRIDE;
   virtual void SaveSessionState() OVERRIDE;
 
 #if defined(OS_CHROMEOS)
   virtual void ChangeAppLocale(const std::string& locale,
                                AppLocaleChangedVia) OVERRIDE;
@@ skipping 67 matching lines @@
 
   scoped_ptr<ExtensionPrefValueMap> extension_pref_value_map_;
   // Keep |prefs_| on top for destruction order because |extension_prefs_|,
   // |net_pref_observer_|, |web_resource_service_|, and |io_data_| store
   // pointers to |prefs_| and shall be destructed first.
   scoped_ptr<PrefService> prefs_;
   scoped_ptr<PrefService> otr_prefs_;
   scoped_ptr<VisitedLinkEventListener> visited_link_event_listener_;
   scoped_ptr<VisitedLinkMaster> visited_link_master_;
   ProfileImplIOData::Handle io_data_;
-  // Keep extension_prefs_ on top of extension_service_ because the latter
-  // maintains a pointer to the first and shall be destructed first.
-  scoped_ptr<ExtensionPrefs> extension_prefs_;
-  scoped_ptr<ExtensionService> extension_service_;
-  scoped_refptr<UserScriptMaster> user_script_master_;
-  scoped_refptr<ExtensionDevToolsManager> extension_devtools_manager_;
-  // extension_info_map_ needs to outlive extension_process_manager_.
-  scoped_refptr<ExtensionInfoMap> extension_info_map_;
-  // |extension_process_manager_| must be destroyed before |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_refptr<ExtensionMessageService> extension_message_service_;
-  scoped_ptr<ExtensionEventRouter> extension_event_router_;
-  scoped_ptr<ExtensionNavigationObserver> extension_navigation_observer_;
   scoped_refptr<ExtensionSpecialStoragePolicy>
       extension_special_storage_policy_;
   scoped_ptr<SSLHostState> ssl_host_state_;
   scoped_ptr<NetPrefObserver> net_pref_observer_;
   scoped_ptr<TemplateURLFetcher> template_url_fetcher_;
   scoped_ptr<BookmarkModel> bookmark_bar_model_;
   scoped_refptr<PromoResourceService> promo_resource_service_;
   scoped_refptr<ProtocolHandlerRegistry> protocol_handler_registry_;
 
   scoped_ptr<TokenService> token_service_;
@@ skipping 78 matching lines @@
   Profile::Delegate* delegate_;
 
   chrome_browser_net::Predictor* predictor_;
 
   bool session_restore_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileImpl);
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_IMPL_H_