Move chrome/browser/chromeos/drive/file_system.cc (+deps) into components/drive.

chrome/browser/chromeos/drive/remove_stale_cache_files.h

Index: chrome/browser/chromeos/drive/remove_stale_cache_files.h
diff --git a/chrome/browser/chromeos/drive/remove_stale_cache_files.h b/chrome/browser/chromeos/drive/remove_stale_cache_files.h
deleted file mode 100644
index 4e5fddc7cee30e2bc18a37124877339ca5136c76..0000000000000000000000000000000000000000
--- a/chrome/browser/chromeos/drive/remove_stale_cache_files.h
+++ /dev/null
@@ -1,22 +0,0 @@
-// 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.
-
-#ifndef CHROME_BROWSER_CHROMEOS_DRIVE_REMOVE_STALE_CACHE_FILES_H_
-#define CHROME_BROWSER_CHROMEOS_DRIVE_REMOVE_STALE_CACHE_FILES_H_
-
-namespace drive{
-namespace internal {
-
-class FileCache;
-class ResourceMetadata;
-
-// Removes files from |cache| which are not dirty but the MD5 is obsolete.
-// Must be run on the same task runner as |cache| and |resource_metadata| use.
-void RemoveStaleCacheFiles(FileCache* cache,
-                           ResourceMetadata* resource_metadata);
-
-}  // namespace internal
-}  // namespace drive
-
-#endif  // CHROME_BROWSER_CHROMEOS_DRIVE_REMOVE_STALE_CACHE_FILES_H_