Extract LazyBackgroundTaskQueue from ExtensionSystem.

chrome/browser/extensions/test_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_TEST_EXTENSION_SYSTEM_H_
 #define CHROME_BROWSER_EXTENSIONS_TEST_EXTENSION_SYSTEM_H_
 
 #include "base/memory/scoped_vector.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/common/one_shot_event.h"
@@ skipping 35 matching lines @@
 
   // Creates an ExtensionService initialized with the testing profile and
   // returns it, and creates ExtensionPrefs if it hasn't been created yet.
   ExtensionService* CreateExtensionService(
       const base::CommandLine* command_line,
       const base::FilePath& install_directory,
       bool autoupdate_enabled);
 
   void CreateSocketManager();
 
-  // Creates a LazyBackgroundTaskQueue. If not invoked, the
-  // LazyBackgroundTaskQueue is NULL.
-  void CreateLazyBackgroundTaskQueue();
-
   void InitForRegularProfile(bool extensions_enabled) override {}
   void SetExtensionService(ExtensionService* service);
   ExtensionService* extension_service() override;
   RuntimeData* runtime_data() override;
   ManagementPolicy* management_policy() override;
   SharedUserScriptMaster* shared_user_script_master() override;
   StateStore* state_store() override;
   StateStore* rules_store() override;
   TestingValueStore* value_store() { return value_store_; }
   InfoMap* info_map() override;
-  LazyBackgroundTaskQueue* lazy_background_task_queue() override;
   void SetEventRouter(scoped_ptr<EventRouter> event_router);
   EventRouter* event_router() override;
   QuotaService* quota_service() override;
   const OneShotEvent& ready() const override;
   ContentVerifier* content_verifier() override;
   scoped_ptr<ExtensionSet> GetDependentExtensions(
       const Extension* extension) override;
 
   // Note that you probably want to use base::RunLoop().RunUntilIdle() right
   // after this to run all the accumulated tasks.
   void SetReady() { ready_.Signal(); }
 
   // Factory method for tests to use with SetTestingProfile.
   static KeyedService* Build(content::BrowserContext* profile);
 
  protected:
   Profile* profile_;
 
  private:
   scoped_ptr<StateStore> state_store_;
   // A pointer to the TestingValueStore owned by |state_store_|.
   TestingValueStore* value_store_;
   scoped_ptr<ManagementPolicy> management_policy_;
   scoped_ptr<RuntimeData> runtime_data_;
   scoped_ptr<ExtensionService> extension_service_;
   scoped_refptr<InfoMap> info_map_;
-  scoped_ptr<LazyBackgroundTaskQueue> lazy_background_task_queue_;
   scoped_ptr<EventRouter> event_router_;
   scoped_ptr<QuotaService> quota_service_;
   OneShotEvent ready_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_TEST_EXTENSION_SYSTEM_H_