drive: Add DownloadOperation::EnsureFileDownloadedByResourceId

chrome/browser/chromeos/drive/file_system.h

 // 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_FILE_SYSTEM_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 282 matching lines @@
 
   // Part of GetResourceEntryById(). Called after
   // ResourceMetadata::GetResourceEntryById() is complete.
   // |callback| must not be null.
   void GetResourceEntryByIdAfterGetEntry(
       const GetResourceEntryWithFilePathCallback& callback,
       FileError error,
       const base::FilePath& file_path,
       scoped_ptr<ResourceEntry> entry);
 
-  // Part of GetFileByResourceId(). Called after
-  // ResourceMetadata::GetResourceEntryById() is complete.
-  // |get_file_callback| must not be null.
-  // |get_content_callback| may be null.
-  void GetFileByResourceIdAfterGetEntry(
-      const ClientContext& context,
-      const GetFileCallback& get_file_callback,
-      const google_apis::GetContentCallback& get_content_callback,
-      FileError error,
-      const base::FilePath& file_path,
-      scoped_ptr<ResourceEntry> entry);
-
   // Part of RefreshDirectory(). Called after
   // GetResourceEntryByPath() is complete.
   void RefreshDirectoryAfterGetResourceEntry(
       const base::FilePath& directory_path,
       const FileOperationCallback& callback,
       FileError error,
       scoped_ptr<ResourceEntry> entry);
 
   // Part of GetEntryByResourceId and GetEntryByPath. Checks whether there is a
   // local dirty cache for the entry, and if there is, replace the
@@ skipping 62 matching lines @@
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate the weak pointers before any other members are destroyed.
   base::WeakPtrFactory<FileSystem> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(FileSystem);
 };
 
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_H_