drive: FileCache::Store marks the entry as dirty if empty MD5 is given

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/callback_helpers.h"
 #include "base/file_util.h"
 #include "base/task_runner_util.h"
 #include "chrome/browser/chromeos/drive/drive.pb.h"
 #include "chrome/browser/chromeos/drive/file_cache.h"
 #include "chrome/browser/chromeos/drive/file_system/create_file_operation.h"
 #include "chrome/browser/chromeos/drive/file_system/operation_observer.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
 #include "chrome/browser/chromeos/drive/job_scheduler.h"
 #include "chrome/browser/chromeos/drive/resource_entry_conversion.h"
 #include "chrome/browser/chromeos/drive/resource_metadata.h"
@@ skipping 83 matching lines @@
     std::string* local_id) {
   FileError error = metadata->GetIdByPath(remote_dest_path, local_id);
   if (error != FILE_ERROR_OK)
     return error;
 
   ResourceEntry entry;
   error = metadata->GetResourceEntryById(*local_id, &entry);
   if (error != FILE_ERROR_OK)
     return error;
 
-  error = cache->Store(
-      *local_id, entry.file_specific_info().md5(), local_src_path,
-      internal::FileCache::FILE_OPERATION_COPY);
-  if (error != FILE_ERROR_OK)
-    return error;
-
-  scoped_ptr<base::ScopedClosureRunner> file_closer;
-  error = cache->OpenForWrite(*local_id, &file_closer);
-  if (error != FILE_ERROR_OK)
-    return error;
-
-  return FILE_ERROR_OK;
+  return cache->Store(*local_id, std::string(), local_src_path,
+                      internal::FileCache::FILE_OPERATION_COPY);
 }
 
 // Gets the file size of the |local_path|, and the ResourceEntry for the parent
 // of |remote_path| to prepare the necessary information for transfer.
 FileError PrepareTransferFileFromLocalToRemote(
     internal::ResourceMetadata* metadata,
     const base::FilePath& local_src_path,
     const base::FilePath& remote_dest_path,
     std::string* gdoc_resource_id,
     std::string* parent_resource_id) {
@@ skipping 321 matching lines @@
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(!callback.is_null());
 
   if (error == FILE_ERROR_OK)
     observer_->OnEntryUpdatedByOperation(*local_id);
   callback.Run(error);
 }
 
 }  // namespace file_system
 }  // namespace drive