Random clean up in c/b/cros/drive.

chrome/browser/chromeos/drive/file_system/copy_operation.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/copy_operation.h"
 
 #include <string>
 
 #include "base/file_util.h"
 #include "base/task_runner_util.h"
@@ skipping 302 matching lines @@
     CopyHostedDocumentToDirectory(
         dest_file_path.DirName(),
         src_file_proto->resource_id(),
         // Drop the document extension, which should not be in the title.
         // TODO(yoshiki): Remove this code with crbug.com/223304.
         dest_file_path.BaseName().RemoveExtension().value(),
         callback);
     return;
   }
 
-  // TODO(kochi): Reimplement this once the server API supports
-  // copying of regular files directly on the server side. crbug.com/138273
   const base::FilePath& src_file_path = result->first.path;
   file_system_->GetFileByPath(
       src_file_path,
       base::Bind(&CopyOperation::OnGetFileCompleteForCopy,
                  weak_ptr_factory_.GetWeakPtr(),
                  dest_file_path,
                  callback));
 }
 
 void CopyOperation::OnCopyResourceCompleted(
@@ skipping 103 matching lines @@
       canonicalized_resource_id,
       // Drop the document extension, which should not be
       // in the document title.
       // TODO(yoshiki): Remove this code with crbug.com/223304.
       remote_dest_file_path.BaseName().RemoveExtension().value(),
       callback);
 }
 
 }  // namespace file_system
 }  // namespace drive