drive: Always use last_modified stored in ResourceEntry

chrome/browser/chromeos/drive/resource_entry_conversion.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/resource_entry_conversion.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/logging.h"
@@ skipping 128 matching lines @@
   file_info->is_directory = entry.file_info().is_directory();
   file_info->is_symbolic_link = entry.file_info().is_symbolic_link();
   file_info->last_modified = base::Time::FromInternalValue(
       entry.file_info().last_modified());
   file_info->last_accessed = base::Time::FromInternalValue(
       entry.file_info().last_accessed());
   file_info->creation_time = base::Time::FromInternalValue(
       entry.file_info().creation_time());
 }
 
-void SetPlatformFileInfoToResourceEntry(const base::File::Info& file_info,
-                                        ResourceEntry* entry) {
-  PlatformFileInfoProto* entry_file_info = entry->mutable_file_info();
-  entry_file_info->set_size(file_info.size);
-  entry_file_info->set_is_directory(file_info.is_directory);
-  entry_file_info->set_is_symbolic_link(file_info.is_symbolic_link);
-  entry_file_info->set_last_modified(file_info.last_modified.ToInternalValue());
-  entry_file_info->set_last_accessed(file_info.last_accessed.ToInternalValue());
-  entry_file_info->set_creation_time(file_info.creation_time.ToInternalValue());
-}
-
 }  // namespace drive