gdata: Add GDataDirectoryService::AddEntryToDirectory()

chrome/browser/chromeos/gdata/gdata_test_util.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/gdata/gdata_test_util.h"
 
 #include "base/message_loop.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/chromeos/gdata/gdata.pb.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 45 matching lines @@
 }
 
 bool CacheStatesEqual(const GDataCacheEntry& a, const GDataCacheEntry& b) {
   return (a.is_present() == b.is_present() &&
           a.is_pinned() == b.is_pinned() &&
           a.is_dirty() == b.is_dirty() &&
           a.is_mounted() == b.is_mounted() &&
           a.is_persistent() == b.is_persistent());
 }
 
+void CopyErrorCodeFromFileOperationCallback(GDataFileError* output,
+                                            GDataFileError error) {
+  DCHECK(output);
+  *output = error;
+}
+
 }  // namespace test_util
 }  // namespace gdata