Change owner of DriveScheduler from DriveFileSystem to DriveSystemService.

chrome/browser/chromeos/drive/file_system/create_directory_operation_unittest.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/chromeos/drive/file_system/create_directory_operation.h"
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/chromeos/drive/change_list_loader.h"
@@ skipping 39 matching lines @@
                                               blocking_task_runner_));
 
     DriveFileError error = DRIVE_FILE_ERROR_FAILED;
     metadata_->Initialize(
         google_apis::test_util::CreateCopyResultCallback(&error));
     google_apis::test_util::RunBlockingPoolTask();
     ASSERT_EQ(DRIVE_FILE_OK, error);
 
     scheduler_.reset(
         new DriveScheduler(profile_.get(), fake_drive_service_.get()));
-    scheduler_->Initialize();
 
     DriveWebAppsRegistry drive_web_apps_registry;
     ChangeListLoader change_list_loader(
         metadata_.get(), scheduler_.get(), &drive_web_apps_registry);
 
     // Makes sure the FakeDriveService's content is loaded to the metadata_.
     change_list_loader.LoadIfNeeded(
         DirectoryFetchInfo(),
         google_apis::test_util::CreateCopyResultCallback(&error));
     google_apis::test_util::RunBlockingPoolTask();
@@ skipping 90 matching lines @@
   operation()->FindFirstMissingParentDirectory(
       base::FilePath(FILE_PATH_LITERAL("drive/root/Directory 1")),
       google_apis::test_util::CreateCopyResultCallback(&result));
   google_apis::test_util::RunBlockingPoolTask();
   EXPECT_EQ(CreateDirectoryOperation::FIND_FIRST_DIRECTORY_ALREADY_PRESENT,
             result.error);
 }
 
 }  // namespace file_system
 }  // namespace drive