[fsp] Introduce file_system_provider::Service class for the FileSystemProvider API.

chrome/browser/chromeos/file_manager/volume_manager_factory.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 "chrome/browser/chromeos/file_manager/volume_manager_factory.h"
 
 #include "base/basictypes.h"
 #include "base/memory/singleton.h"
 #include "chrome/browser/chromeos/drive/drive_integration_service.h"
 #include "chrome/browser/chromeos/file_manager/volume_manager.h"
+#include "chrome/browser/chromeos/file_system_provider/service_factory.h"
 #include "chrome/browser/profiles/incognito_helpers.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/disks/disk_mount_manager.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 
 namespace file_manager {
 
 VolumeManager* VolumeManagerFactory::Get(content::BrowserContext* context) {
   return static_cast<VolumeManager*>(
@@ skipping 15 matching lines @@
 }
 
 bool VolumeManagerFactory::ServiceIsNULLWhileTesting() const {
   return true;
 }
 
 KeyedService* VolumeManagerFactory::BuildServiceInstanceFor(
     content::BrowserContext* profile) const {
   VolumeManager* instance = new VolumeManager(
       Profile::FromBrowserContext(profile),
-      drive::DriveIntegrationServiceFactory::
-          GetForProfileRegardlessOfStates(Profile::FromBrowserContext(profile)),
+      drive::DriveIntegrationServiceFactory::GetForProfileRegardlessOfStates(
+          Profile::FromBrowserContext(profile)),
       chromeos::DBusThreadManager::Get()->GetPowerManagerClient(),
-      chromeos::disks::DiskMountManager::GetInstance());
+      chromeos::disks::DiskMountManager::GetInstance(),
+      chromeos::file_system_provider::ServiceFactory::Get(
+          Profile::FromBrowserContext(profile)));
   instance->Initialize();
   return instance;
 }
 
 VolumeManagerFactory::VolumeManagerFactory()
     : BrowserContextKeyedServiceFactory(
           "VolumeManagerFactory",
           BrowserContextDependencyManager::GetInstance()) {
   DependsOn(drive::DriveIntegrationServiceFactory::GetInstance());
+  DependsOn(chromeos::file_system_provider::ServiceFactory::GetInstance());
 }
 
 VolumeManagerFactory::~VolumeManagerFactory() {
 }
 
 }  // namespace file_manager