Remove TransferFileFromRemoteToLocal, which are no longer used.

chrome/browser/chromeos/drive/file_system.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/file_system.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/platform_file.h"
@@ skipping 268 matching lines @@
 void FileSystem::AddObserver(FileSystemObserver* observer) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   observers_.AddObserver(observer);
 }
 
 void FileSystem::RemoveObserver(FileSystemObserver* observer) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   observers_.RemoveObserver(observer);
 }
 
-void FileSystem::TransferFileFromRemoteToLocal(
-    const base::FilePath& remote_src_file_path,
-    const base::FilePath& local_dest_file_path,
-    const FileOperationCallback& callback) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  DCHECK(!callback.is_null());
-  copy_operation_->TransferFileFromRemoteToLocal(remote_src_file_path,
-                                                 local_dest_file_path,
-                                                 callback);
-}
-
 void FileSystem::TransferFileFromLocalToRemote(
     const base::FilePath& local_src_file_path,
     const base::FilePath& remote_dest_file_path,
     const FileOperationCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(!callback.is_null());
   copy_operation_->TransferFileFromLocalToRemote(local_src_file_path,
                                                  remote_dest_file_path,
                                                  callback);
 }
@@ skipping 647 matching lines @@
 void FileSystem::OpenFile(const base::FilePath& file_path,
                           OpenMode open_mode,
                           const OpenFileCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(!callback.is_null());
 
   open_file_operation_->OpenFile(file_path, open_mode, callback);
 }
 
 }  // namespace drive