ExtensionSystem cleanup part 2

apps/shell/browser/shell_extension_system.cc

 // Copyright 2013 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 "apps/shell/browser/shell_extension_system.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/common/extensions/extension_file_util.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "extensions/browser/event_router.h"
 #include "extensions/browser/extension_prefs.h"
-#include "extensions/browser/extension_prefs_factory.h"
 #include "extensions/browser/extension_registry.h"
-#include "extensions/browser/extension_registry_factory.h"
 #include "extensions/browser/info_map.h"
 #include "extensions/browser/lazy_background_task_queue.h"
 #include "extensions/browser/process_manager.h"
 #include "extensions/browser/quota_service.h"
 #include "extensions/browser/runtime_data.h"
 
 using content::BrowserContext;
 using content::BrowserThread;
 
 namespace extensions {
 
 ShellExtensionSystem::ShellExtensionSystem(BrowserContext* browser_context)
     : browser_context_(browser_context) {
 }
 
 ShellExtensionSystem::~ShellExtensionSystem() {
 }
 
-// static
-std::vector<BrowserContextKeyedServiceFactory*>
-ShellExtensionSystem::GetDependencies() {
-  std::vector<BrowserContextKeyedServiceFactory*> depends_on;
-  depends_on.push_back(ExtensionPrefsFactory::GetInstance());
-  depends_on.push_back(ExtensionRegistryFactory::GetInstance());
-  return depends_on;
-}
-
 bool ShellExtensionSystem::LoadAndLaunchApp(const base::FilePath& app_dir) {
   std::string load_error;
   scoped_refptr<Extension> extension =
       extension_file_util::LoadExtension(app_dir,
                                          extensions::Manifest::COMMAND_LINE,
                                          Extension::NO_FLAGS,
                                          &load_error);
   if (!extension) {
     LOG(ERROR) << "Loading extension at " << app_dir.value()
         << " failed with: " << load_error;
@@ skipping 125 matching lines @@
 void ShellExtensionSystem::UnregisterExtensionWithRequestContexts(
     const std::string& extension_id,
     const UnloadedExtensionInfo::Reason reason) {
 }
 
 const OneShotEvent& ShellExtensionSystem::ready() const {
   return ready_;
 }
 
 }  // namespace extensions