Remove DriveFileSystem::LoadIfNeeded().

chrome/browser/chromeos/drive/drive_file_system_unittest.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/chromeos/drive/drive_file_system.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/stringprintf.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "base/values.h"
+#include "chrome/browser/chromeos/drive/change_list_loader.h"
 #include "chrome/browser/chromeos/drive/drive.pb.h"
 #include "chrome/browser/chromeos/drive/drive_file_system_util.h"
 #include "chrome/browser/chromeos/drive/drive_scheduler.h"
 #include "chrome/browser/chromeos/drive/drive_test_util.h"
 #include "chrome/browser/chromeos/drive/drive_webapps_registry.h"
 #include "chrome/browser/chromeos/drive/fake_free_disk_space_getter.h"
 #include "chrome/browser/chromeos/drive/mock_directory_change_observer.h"
 #include "chrome/browser/chromeos/drive/mock_drive_cache_observer.h"
 #include "chrome/browser/google_apis/drive_api_parser.h"
 #include "chrome/browser/google_apis/fake_drive_service.h"
@@ skipping 2102 matching lines @@
 
   // An app for foo.exe should now be found, as the registry was loaded.
   drive_webapps_registry_->GetWebAppsForFile(
       base::FilePath(FILE_PATH_LITERAL("foo.exe")),
       "" /* mime_type */,
       &apps);
   EXPECT_EQ(1U, apps.size());
 }
 
 }   // namespace drive