drive: Move FileSystem::LoadDirectoryIfNeeded to ChangeListLoader

chrome/browser/chromeos/drive/dummy_file_system.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_DRIVE_DUMMY_FILE_SYSTEM_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_DUMMY_FILE_SYSTEM_H_
 
 #include "chrome/browser/chromeos/drive/file_system_interface.h"
 
 namespace drive {
@@ skipping 74 matching lines @@
   virtual void GetMetadata(
       const GetFilesystemMetadataCallback& callback) OVERRIDE {}
   virtual void MarkCacheFileAsMounted(
       const base::FilePath& drive_file_path,
       const MarkMountedCallback& callback) OVERRIDE {}
   virtual void MarkCacheFileAsUnmounted(
       const base::FilePath& cache_file_path,
       const FileOperationCallback& callback) OVERRIDE {}
   virtual void GetCacheEntry(const base::FilePath& drive_file_path,
                              const GetCacheEntryCallback& callback) OVERRIDE {}
-  virtual void Reload(const FileOperationCallback& callback) OVERRIDE {}
+  virtual void Reset(const FileOperationCallback& callback) OVERRIDE {}
 };
 
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_DUMMY_FILE_SYSTEM_H_