Split ExtensionSystem interface from ExtensionSystemImpl implementation, part 1.

chrome/browser/extensions/extension_system_impl.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// 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 CHROME_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_H_
-#define CHROME_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_H_
+#ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_IMPL_H_
+#define CHROME_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_IMPL_H_
 
-#include <string>
-
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "components/browser_context_keyed_service/browser_context_keyed_service.h"
-#include "extensions/common/extension.h"
+#include "extensions/browser/extension_system.h"
 #include "extensions/common/one_shot_event.h"
 
-class ExtensionService;
 class Profile;
 
-#if defined(OS_CHROMEOS)
-namespace chromeos {
-class DeviceLocalAccountManagementPolicyProvider;
-}
-#endif  // defined(OS_CHROMEOS)
+namespace extensions {
 
-namespace content {
-class BrowserContext;
-}
-
-namespace extensions {
-class Blacklist;
-class ErrorConsole;
-class EventRouter;
-class Extension;
 class ExtensionSystemSharedFactory;
 class ExtensionWarningBadgeService;
-class ExtensionWarningService;
-class InfoMap;
-class InstallVerifier;
-class LazyBackgroundTaskQueue;
-class ManagementPolicy;
 class NavigationObserver;
-class ProcessManager;
-class RuntimeData;
 class StandardManagementPolicyProvider;
-class StateStore;
-class UserScriptMaster;
-
-// 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 BrowserContextKeyedService {
- 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);
-
-  // Returns the same instance as Get() above.
-  static ExtensionSystem* GetForBrowserContext(
-      content::BrowserContext* profile);
-
-  // BrowserContextKeyedService implementation.
-  virtual void Shutdown() OVERRIDE {}
-
-  // Initializes extensions machinery.
-  // Component extensions are always enabled, external and user extensions are
-  // controlled by |extensions_enabled|.
-  virtual void InitForRegularProfile(bool extensions_enabled) = 0;
-
-  // The ExtensionService is created at startup.
-  virtual ExtensionService* extension_service() = 0;
-
-  // Per-extension data that can change during the life of the process but
-  // does not persist across restarts. Lives on UI thread. Created at startup.
-  virtual RuntimeData* runtime_data() = 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 ManagementPolicy* management_policy() = 0;
-
-  // The UserScriptMaster is created at startup.
-  virtual UserScriptMaster* user_script_master() = 0;
-
-  // The ProcessManager is created at startup.
-  virtual ProcessManager* process_manager() = 0;
-
-  // The StateStore is created at startup.
-  virtual StateStore* state_store() = 0;
-
-  // The rules store is created at startup.
-  virtual StateStore* rules_store() = 0;
-
-  // Returns the IO-thread-accessible extension data.
-  virtual InfoMap* info_map() = 0;
-
-  // The LazyBackgroundTaskQueue is created at startup.
-  virtual LazyBackgroundTaskQueue* lazy_background_task_queue() = 0;
-
-  // The EventRouter is created at startup.
-  virtual EventRouter* event_router() = 0;
-
-  // The ExtensionWarningService is created at startup.
-  virtual ExtensionWarningService* warning_service() = 0;
-
-  // The blacklist is created at startup.
-  virtual Blacklist* blacklist() = 0;
-
-  // The ErrorConsole is created at startup.
-  virtual ErrorConsole* error_console() = 0;
-
-  // The InstallVerifier is created at startup.
-  virtual InstallVerifier* install_verifier() = 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 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 UnloadedExtensionInfo::Reason reason) {}
-
-  // Signaled when the extension system has completed its startup tasks.
-  virtual const OneShotEvent& ready() const = 0;
-};
 
 // The ExtensionSystem for ProfileImpl and OffTheRecordProfileImpl.
 // Implementation details: non-shared services are owned by
 // ExtensionSystemImpl, a BrowserContextKeyedService with separate incognito
 // instances. A private Shared class (also a BrowserContextKeyedService,
 // but with a shared instance for incognito) keeps the common services.
 class ExtensionSystemImpl : public ExtensionSystem {
  public:
   explicit ExtensionSystemImpl(Profile* profile);
   virtual ~ExtensionSystemImpl();
@@ skipping 106 matching lines @@
   // |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<ProcessManager> process_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionSystemImpl);
 };
 
 }  // namespace extensions
 
-#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_H_
+#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_IMPL_H_