Support cross-profile copy between Chrome OS Google Drive folders.

chrome/browser/chromeos/drive/fileapi/async_file_util.h

 // Copyright 2014 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_FILEAPI_ASYNC_FILE_UTIL_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_FILEAPI_ASYNC_FILE_UTIL_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "webkit/browser/fileapi/async_file_util.h"
 
 namespace drive {
 
 class FileSystemInterface;
 
 namespace internal {
 
 // The implementation of fileapi::AsyncFileUtil for Drive File System.
 class AsyncFileUtil : public fileapi::AsyncFileUtil {
  public:
-  // Callback to return the FileSystemInterface instance. This is an
-  // injecting point for testing.
-  // Note that the callback will be copied between threads (IO and UI), and
-  // will be called on UI thread.
-  typedef base::Callback<FileSystemInterface*()> FileSystemGetter;
-
-  explicit AsyncFileUtil(const FileSystemGetter& file_system_getter);
+  AsyncFileUtil();
   virtual ~AsyncFileUtil();
 
   // fileapi::AsyncFileUtil overrides.
   virtual void CreateOrOpen(
       scoped_ptr<fileapi::FileSystemOperationContext> context,
       const fileapi::FileSystemURL& url,
       int file_flags,
       const CreateOrOpenCallback& callback) OVERRIDE;
   virtual void EnsureFileExists(
       scoped_ptr<fileapi::FileSystemOperationContext> context,
@@ skipping 53 matching lines @@
   virtual void DeleteRecursively(
       scoped_ptr<fileapi::FileSystemOperationContext> context,
       const fileapi::FileSystemURL& url,
       const StatusCallback& callback) OVERRIDE;
   virtual void CreateSnapshotFile(
       scoped_ptr<fileapi::FileSystemOperationContext> context,
       const fileapi::FileSystemURL& url,
       const CreateSnapshotFileCallback& callback) OVERRIDE;
 
  private:
-  FileSystemGetter file_system_getter_;
-
   DISALLOW_COPY_AND_ASSIGN(AsyncFileUtil);
 };
 
 }  // namespace internal
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_FILEAPI_ASYNC_FILE_UTIL_H_