Extract LazyBackgroundTaskQueue from ExtensionSystem.

chrome/browser/extensions/test_extension_system.cc

 // 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.
 
 #include "chrome/browser/extensions/test_extension_system.h"
 
 #include "base/command_line.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/extensions/blacklist.h"
 #include "chrome/browser/extensions/extension_management.h"
@@ skipping 31 matching lines @@
       quota_service_(new QuotaService()) {}
 
 TestExtensionSystem::~TestExtensionSystem() {
 }
 
 void TestExtensionSystem::Shutdown() {
   if (extension_service_)
     extension_service_->Shutdown();
 }
 
-void TestExtensionSystem::CreateLazyBackgroundTaskQueue() {
-  lazy_background_task_queue_.reset(new LazyBackgroundTaskQueue(profile_));
-}
-
 ExtensionPrefs* TestExtensionSystem::CreateExtensionPrefs(
     const base::CommandLine* command_line,
     const base::FilePath& install_directory) {
   bool extensions_disabled =
       command_line && command_line->HasSwitch(switches::kDisableExtensions);
 
   // Note that the GetPrefs() creates a TestingPrefService, therefore
   // the extension controlled pref values set in ExtensionPrefs
   // are not reflected in the pref service. One would need to
   // inject a new ExtensionPrefStore(extension_pref_value_map, false).
@@ skipping 71 matching lines @@
 StateStore* TestExtensionSystem::state_store() {
   return state_store_.get();
 }
 
 StateStore* TestExtensionSystem::rules_store() {
   return state_store_.get();
 }
 
 InfoMap* TestExtensionSystem::info_map() { return info_map_.get(); }
 
-LazyBackgroundTaskQueue*
-TestExtensionSystem::lazy_background_task_queue() {
-  return lazy_background_task_queue_.get();
-}
-
 void TestExtensionSystem::SetEventRouter(scoped_ptr<EventRouter> event_router) {
   event_router_.reset(event_router.release());
 }
 
 EventRouter* TestExtensionSystem::event_router() { return event_router_.get(); }
 
 InstallVerifier* TestExtensionSystem::install_verifier() {
   return install_verifier_.get();
 }
 
@@ skipping 14 matching lines @@
   return extension_service()->shared_module_service()->GetDependentExtensions(
       extension);
 }
 
 // static
 KeyedService* TestExtensionSystem::Build(content::BrowserContext* profile) {
   return new TestExtensionSystem(static_cast<Profile*>(profile));
 }
 
 }  // namespace extensions