SyncFS: Support resolveLocalFileSystemURL on SyncFileSystem

chrome/browser/sync_file_system/sync_file_system_service_factory.cc

 // Copyright (c) 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/sync_file_system/sync_file_system_service_factory.h"
 
 #include "base/command_line.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/drive/drive_api_service.h"
 #include "chrome/browser/drive/drive_notification_manager_factory.h"
@@ skipping 53 matching lines @@
   SyncFileSystemService* service = new SyncFileSystemService(profile);
 
   scoped_ptr<LocalFileSyncService> local_file_service(
       new LocalFileSyncService(profile));
 
   scoped_ptr<RemoteFileSyncService> remote_file_service;
   if (mock_remote_file_service_) {
     remote_file_service = mock_remote_file_service_.Pass();
   } else if (CommandLine::ForCurrentProcess()->HasSwitch(
       kEnableSyncFileSystemV2)) {
-    RegisterSyncableFileSystem();
-
     GURL base_drive_url(
         google_apis::DriveApiUrlGenerator::kBaseUrlForProduction);
     GURL base_download_url(
         google_apis::DriveApiUrlGenerator::kBaseDownloadUrlForProduction);
     GURL wapi_base_url(
         google_apis::GDataWapiUrlGenerator::kBaseUrlForProduction);
 
     scoped_refptr<base::SequencedWorkerPool> worker_pool(
         content::BrowserThread::GetBlockingPool());
 
@@ skipping 19 matching lines @@
         new drive_backend::SyncEngine(
             context->GetPath(),
             task_runner.get(),
             drive_api_service.Pass(),
             notification_manager,
             extension_service));
 
     sync_engine->Initialize();
     remote_file_service = sync_engine.PassAs<RemoteFileSyncService>();
   } else {
-    // FileSystem needs to be registered before DriveFileSyncService runs
-    // its initialization code.
-    RegisterSyncableFileSystem();
     remote_file_service =
         DriveFileSyncService::Create(profile).PassAs<RemoteFileSyncService>();
   }
 
   if (CommandLine::ForCurrentProcess()->HasSwitch(kDisableLastWriteWin)) {
     remote_file_service->SetConflictResolutionPolicy(
         CONFLICT_RESOLUTION_POLICY_MANUAL);
   }
 
   service->Initialize(local_file_service.Pass(),
                       remote_file_service.Pass());
   return service;
 }
 
 }  // namespace sync_file_system