Create top level apps component and move some apps code there.

chrome/browser/extensions/app_restore_service.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/app_restore_service.h"
-
-#include "chrome/browser/extensions/api/app_runtime/app_runtime_api.h"
-#include "chrome/browser/extensions/event_router.h"
-#include "chrome/browser/extensions/extension_host.h"
-#include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/extensions/extension_system.h"
-#include "chrome/browser/prefs/pref_service.h"
-#include "chrome/browser/prefs/scoped_user_pref_update.h"
-#include "chrome/common/extensions/extension.h"
-#include "chrome/common/extensions/extension_set.h"
-#include "chrome/common/chrome_notification_types.h"
-#include "chrome/common/pref_names.h"
-#include "content/public/browser/notification_details.h"
-#include "content/public/browser/notification_service.h"
-#include "content/public/browser/notification_types.h"
-
-namespace extensions {
-
-AppRestoreService::AppRestoreService(Profile* profile)
-    : profile_(profile) {
-  registrar_.Add(
-      this, chrome::NOTIFICATION_EXTENSION_HOST_DID_STOP_LOADING,
-      content::NotificationService::AllSources());
-  registrar_.Add(
-      this, chrome::NOTIFICATION_EXTENSION_HOST_DESTROYED,
-      content::NotificationService::AllSources());
-  registrar_.Add(
-      this, chrome::NOTIFICATION_APP_TERMINATING,
-      content::NotificationService::AllSources());
-}
-
-void AppRestoreService::HandleStartup(bool should_restore_apps) {
-  ExtensionService* extension_service =
-      ExtensionSystem::Get(profile_)->extension_service();
-  const ExtensionSet* extensions = extension_service->extensions();
-  ExtensionPrefs* extension_prefs = extension_service->extension_prefs();
-
-  for (ExtensionSet::const_iterator it = extensions->begin();
-      it != extensions->end(); ++it) {
-    const Extension* extension = *it;
-    if (extension_prefs->IsExtensionRunning(extension->id())) {
-      RecordAppStop(extension->id());
-      if (should_restore_apps)
-        RestoreApp(*it);
-    }
-  }
-}
-
-void AppRestoreService::Observe(int type,
-                                const content::NotificationSource& source,
-                                const content::NotificationDetails& details) {
-  switch (type) {
-    case chrome::NOTIFICATION_EXTENSION_HOST_DID_STOP_LOADING: {
-      ExtensionHost* host = content::Details<ExtensionHost>(details).ptr();
-      const Extension* extension = host->extension();
-      if (extension && extension->is_platform_app())
-        RecordAppStart(extension->id());
-      break;
-    }
-
-    case chrome::NOTIFICATION_EXTENSION_HOST_DESTROYED: {
-      ExtensionHost* host = content::Details<ExtensionHost>(details).ptr();
-      const Extension* extension = host->extension();
-      if (extension && extension->is_platform_app())
-        RecordAppStop(extension->id());
-      break;
-    }
-
-    case chrome::NOTIFICATION_APP_TERMINATING: {
-      // Stop listening to NOTIFICATION_EXTENSION_HOST_DESTROYED in particular
-      // as all extension hosts will be destroyed as a result of shutdown.
-      registrar_.RemoveAll();
-      break;
-    }
-  }
-}
-
-
-void AppRestoreService::RecordAppStart(const std::string& extension_id) {
-  ExtensionPrefs* extension_prefs =
-      ExtensionSystem::Get(profile_)->extension_service()->extension_prefs();
-  extension_prefs->SetExtensionRunning(extension_id, true);
-}
-
-void AppRestoreService::RecordAppStop(const std::string& extension_id) {
-  ExtensionPrefs* extension_prefs =
-      ExtensionSystem::Get(profile_)->extension_service()->extension_prefs();
-  extension_prefs->SetExtensionRunning(extension_id, false);
-}
-
-void AppRestoreService::RestoreApp(const Extension* extension) {
-  AppEventRouter::DispatchOnRestartedEvent(profile_, extension);
-}
-
-}  // namespace extensions