drive: Remove obsolete comment from drive.proto

chrome/browser/chromeos/drive/drive.proto

 // 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.
 //
 // Protocol buffer definitions for representing Drive files and directories,
 // and serializing them for the resource metadata database.
 
 syntax = "proto2";
 
 option optimize_for = LITE_RUNTIME;
@@ skipping 97 matching lines @@
 
   // True if the file is present locally.
   optional bool is_present = 2;
 
   // True if the file is pinned (i.e. available offline).
   optional bool is_pinned = 3;
 
   // True if the file is dirty (i.e. modified locally).
   optional bool is_dirty = 4;
 
-  // TODO(hashimoto): Remove this block after DB merge. crbug.com/234487
-  // True if the file is in the persistent directory.
-  // optional bool is_persistent = 6;
-
   // When adding a new state, be sure to update TestFileCacheState and test
   // functions defined in drive_test_util.cc.

[kinaba, 2013/09/10 07:24:35]

Maybe: drive_test_util.cc => test_util.cc.
Could you also update the comment while you're here?

[hashimoto, 2013/09/10 07:33:59]

Done.

 }